Search

Sam K. Ahn

Supervisory Patent Examiner (ID: 14355, Phone: (571)272-3044 , Office: P/2633 )

Most Active Art Unit
2611
Art Unit(s)
2634, 2611, 2637, 2633
Total Applications
767
Issued Applications
625
Pending Applications
42
Abandoned Applications
106

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 8307472 [patent_doc_number] => 08229019 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-07-24 [patent_title] => 'MIMO precoding enabling spatial multiplexing, power allocation and adaptive modulation and coding' [patent_app_type] => utility [patent_app_number] => 12/762013 [patent_app_country] => US [patent_app_date] => 2010-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9833 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12762013 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/762013
MIMO precoding enabling spatial multiplexing, power allocation and adaptive modulation and coding Apr 15, 2010 Issued
Array ( [id] => 4562642 [patent_doc_number] => 07961808 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-06-14 [patent_title] => 'Data transmitting and receiving method using phase shift based precoding and transceiver supporting the same' [patent_app_type] => utility [patent_app_number] => 12/724318 [patent_app_country] => US [patent_app_date] => 2010-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10182 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/961/07961808.pdf [firstpage_image] =>[orig_patent_app_number] => 12724318 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/724318
Data transmitting and receiving method using phase shift based precoding and transceiver supporting the same Mar 14, 2010 Issued
Array ( [id] => 6414652 [patent_doc_number] => 20100150207 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-17 [patent_title] => 'SETTING A TRANSMISSION POWER LEVEL FOR A MOBILE UNIT' [patent_app_type] => utility [patent_app_number] => 12/712657 [patent_app_country] => US [patent_app_date] => 2010-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 12396 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0150/20100150207.pdf [firstpage_image] =>[orig_patent_app_number] => 12712657 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/712657
Setting a transmission power level for a mobile unit Feb 24, 2010 Issued
Array ( [id] => 6415832 [patent_doc_number] => 20100150354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-17 [patent_title] => 'LOW I/O BANDWIDTH METHOD AND SYSTEM FOR IMPLEMENTING DETECTION AND IDENTIFICATION OF SCRAMBLING CODES' [patent_app_type] => utility [patent_app_number] => 12/710171 [patent_app_country] => US [patent_app_date] => 2010-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5836 [patent_no_of_claims] => 53 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0150/20100150354.pdf [firstpage_image] =>[orig_patent_app_number] => 12710171 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/710171
LOW I/O BANDWIDTH METHOD AND SYSTEM FOR IMPLEMENTING DETECTION AND IDENTIFICATION OF SCRAMBLING CODES Feb 21, 2010 Abandoned
Array ( [id] => 6532870 [patent_doc_number] => 20100124299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-20 [patent_title] => 'METHOD FOR MIMO DECODING, APPARATUS FOR MIMO DECODING, AND MIMO RECEIVER' [patent_app_type] => utility [patent_app_number] => 12/686081 [patent_app_country] => US [patent_app_date] => 2010-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4130 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0124/20100124299.pdf [firstpage_image] =>[orig_patent_app_number] => 12686081 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/686081
Method for MIMO decoding, apparatus for MIMO decoding, and MIMO receiver Jan 11, 2010 Issued
Array ( [id] => 6569958 [patent_doc_number] => 20100046673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-25 [patent_title] => 'RECEIVER FOR ESTIMATING SIGNAL MAGNITUDE, NOISE POWER, AND SIGNAL-TO-NOISE RATIO OF RECEIVED SIGNALS' [patent_app_type] => utility [patent_app_number] => 12/611495 [patent_app_country] => US [patent_app_date] => 2009-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4054 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0046/20100046673.pdf [firstpage_image] =>[orig_patent_app_number] => 12611495 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/611495
RECEIVER FOR ESTIMATING SIGNAL MAGNITUDE, NOISE POWER, AND SIGNAL-TO-NOISE RATIO OF RECEIVED SIGNALS Nov 2, 2009 Abandoned
Array ( [id] => 8085237 [patent_doc_number] => 08149949 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-04-03 [patent_title] => 'Radio transmitter apparatus, radio receiver apparatus, and wireless communication system' [patent_app_type] => utility [patent_app_number] => 12/551126 [patent_app_country] => US [patent_app_date] => 2009-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5193 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/149/08149949.pdf [firstpage_image] =>[orig_patent_app_number] => 12551126 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/551126
Radio transmitter apparatus, radio receiver apparatus, and wireless communication system Aug 30, 2009 Issued
Array ( [id] => 4615620 [patent_doc_number] => 07991068 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-02 [patent_title] => 'Method and apparatus to balance maximum information rate with quality of service in a MIMO system' [patent_app_type] => utility [patent_app_number] => 12/583272 [patent_app_country] => US [patent_app_date] => 2009-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7108 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/991/07991068.pdf [firstpage_image] =>[orig_patent_app_number] => 12583272 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/583272
Method and apparatus to balance maximum information rate with quality of service in a MIMO system Aug 17, 2009 Issued
Array ( [id] => 6486666 [patent_doc_number] => 20100042374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-18 [patent_title] => 'SAMPLING METHOD, RECONSTRUCTION METHOD, AND DEVICE FOR SAMPLING AND/OR RECONSTRUCTING SIGNALS' [patent_app_type] => utility [patent_app_number] => 12/542353 [patent_app_country] => US [patent_app_date] => 2009-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7757 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0042/20100042374.pdf [firstpage_image] =>[orig_patent_app_number] => 12542353 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/542353
Sampling method, reconstruction method, and device for sampling and/or reconstructing signals Aug 16, 2009 Issued
Array ( [id] => 6249830 [patent_doc_number] => 20100027410 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-04 [patent_title] => 'Apparatus and associated methods to perform space-frequency interleaving in a multicarrier wireless communication channel' [patent_app_type] => utility [patent_app_number] => 12/460391 [patent_app_country] => US [patent_app_date] => 2009-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6835 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0027/20100027410.pdf [firstpage_image] =>[orig_patent_app_number] => 12460391 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/460391
Apparatus and associated methods to perform space-frequency interleaving in a multicarrier wireless communication channel Jul 16, 2009 Issued
Array ( [id] => 7697704 [patent_doc_number] => 20110228886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-09-22 [patent_title] => 'FAST LINK RE-SYNCHRONIZATION FOR TIME-SLICED OFDM SIGNALS' [patent_app_type] => utility [patent_app_number] => 13/003060 [patent_app_country] => US [patent_app_date] => 2009-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 9049 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0228/20110228886.pdf [firstpage_image] =>[orig_patent_app_number] => 13003060 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/003060
FAST LINK RE-SYNCHRONIZATION FOR TIME-SLICED OFDM SIGNALS Jul 7, 2009 Abandoned
Array ( [id] => 6219276 [patent_doc_number] => 20100054371 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-04 [patent_title] => 'Noise Variance Estimation In Wireless Communications For Diversity Combining and Log Likelihood Scaling' [patent_app_type] => utility [patent_app_number] => 12/491056 [patent_app_country] => US [patent_app_date] => 2009-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7877 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0054/20100054371.pdf [firstpage_image] =>[orig_patent_app_number] => 12491056 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/491056
Noise variance estimation in wireless communications for diversity combining and log likelihood scaling Jun 23, 2009 Issued
Array ( [id] => 4521338 [patent_doc_number] => RE042147 [patent_country] => US [patent_kind] => E1 [patent_issue_date] => 2011-02-15 [patent_title] => 'Method of processing variable size blocks of data by storing numbers representing size of data blocks in a fifo' [patent_app_type] => reissue [patent_app_number] => 12/453735 [patent_app_country] => US [patent_app_date] => 2009-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 2 [patent_no_of_words] => 4131 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/042/RE042147.pdf [firstpage_image] =>[orig_patent_app_number] => 12453735 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/453735
Method of processing variable size blocks of data by storing numbers representing size of data blocks in a fifo May 19, 2009 Issued
Array ( [id] => 7744144 [patent_doc_number] => 08107559 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-01-31 [patent_title] => 'Receiving apparatus' [patent_app_type] => utility [patent_app_number] => 12/988615 [patent_app_country] => US [patent_app_date] => 2009-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5266 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/107/08107559.pdf [firstpage_image] =>[orig_patent_app_number] => 12988615 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/988615
Receiving apparatus May 10, 2009 Issued
Array ( [id] => 5512960 [patent_doc_number] => 20090213266 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-27 [patent_title] => 'CLOSED LOOP SUB-CARRIER SYNCHRONIZATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/433396 [patent_app_country] => US [patent_app_date] => 2009-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7327 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0213/20090213266.pdf [firstpage_image] =>[orig_patent_app_number] => 12433396 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/433396
Closed loop sub-carrier synchronization system Apr 29, 2009 Issued
Array ( [id] => 5526298 [patent_doc_number] => 20090196375 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-06 [patent_title] => 'Supply independent Schmitt trigger RC oscillator' [patent_app_type] => utility [patent_app_number] => 12/427618 [patent_app_country] => US [patent_app_date] => 2009-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5240 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0196/20090196375.pdf [firstpage_image] =>[orig_patent_app_number] => 12427618 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/427618
Supply independent Schmitt trigger RC oscillator Apr 20, 2009 Issued
Array ( [id] => 8192414 [patent_doc_number] => 08184728 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2012-05-22 [patent_title] => 'Adaptive symbol transition method for OFDM-based cognitive radio systems and method of use' [patent_app_type] => utility [patent_app_number] => 12/422651 [patent_app_country] => US [patent_app_date] => 2009-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3582 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/184/08184728.pdf [firstpage_image] =>[orig_patent_app_number] => 12422651 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/422651
Adaptive symbol transition method for OFDM-based cognitive radio systems and method of use Apr 12, 2009 Issued
Array ( [id] => 5551182 [patent_doc_number] => 20090285168 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-11-19 [patent_title] => 'METHOD FOR DESIGNING MINI RESOURCE UNIT AND TRANSMISSION FOR A DISTRIBUTED RESOURCE UNIT IN CONSIDERATION OF SPACE FREQUENCY BLOCK CODE' [patent_app_type] => utility [patent_app_number] => 12/421904 [patent_app_country] => US [patent_app_date] => 2009-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 7341 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0285/20090285168.pdf [firstpage_image] =>[orig_patent_app_number] => 12421904 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/421904
Method for designing mini resource unit and transmission for a distributed resource unit in consideration of space frequency block code Apr 9, 2009 Issued
Array ( [id] => 7754612 [patent_doc_number] => 08111779 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-02-07 [patent_title] => 'Data transmission in wireless communication system' [patent_app_type] => utility [patent_app_number] => 12/420984 [patent_app_country] => US [patent_app_date] => 2009-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5575 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/111/08111779.pdf [firstpage_image] =>[orig_patent_app_number] => 12420984 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/420984
Data transmission in wireless communication system Apr 8, 2009 Issued
Array ( [id] => 7744171 [patent_doc_number] => 08107578 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-01-31 [patent_title] => 'System and method for frame synchronization' [patent_app_type] => utility [patent_app_number] => 12/420856 [patent_app_country] => US [patent_app_date] => 2009-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3473 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/107/08107578.pdf [firstpage_image] =>[orig_patent_app_number] => 12420856 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/420856
System and method for frame synchronization Apr 8, 2009 Issued
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