Search

Richard K. Chang

Examiner (ID: 10963, Phone: (571)270-3368 , Office: P/2464 )

Most Active Art Unit
2464
Art Unit(s)
2464, 2616, 2663
Total Applications
302
Issued Applications
252
Pending Applications
10
Abandoned Applications
46

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 745803 [patent_doc_number] => 07031284 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-04-18 [patent_title] => 'Wireless communication method and apparatus for optimizing multi-user detection' [patent_app_type] => utility [patent_app_number] => 10/725808 [patent_app_country] => US [patent_app_date] => 2003-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2600 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/031/07031284.pdf [firstpage_image] =>[orig_patent_app_number] => 10725808 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/725808
Wireless communication method and apparatus for optimizing multi-user detection Dec 1, 2003 Issued
Array ( [id] => 6710025 [patent_doc_number] => 20030169774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-09-11 [patent_title] => 'Internal signaling method to support clock synchronization of nodes connected via a wireless local area network' [patent_app_type] => new [patent_app_number] => 10/319871 [patent_app_country] => US [patent_app_date] => 2002-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2801 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0169/20030169774.pdf [firstpage_image] =>[orig_patent_app_number] => 10319871 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/319871
Internal signaling method to support clock synchronization of nodes connected via a wireless local area network Dec 12, 2002 Issued
Array ( [id] => 6850463 [patent_doc_number] => 20030142665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-31 [patent_title] => 'Feedback system for packet switching device with bufferless cascaded switching matrix' [patent_app_type] => new [patent_app_number] => 10/276119 [patent_app_country] => US [patent_app_date] => 2002-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3397 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0142/20030142665.pdf [firstpage_image] =>[orig_patent_app_number] => 10276119 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/276119
Feedback system for packet switching device with bufferless cascaded switching matrix Nov 11, 2002 Abandoned
Array ( [id] => 6833789 [patent_doc_number] => 20030161334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-28 [patent_title] => 'Inter-network connection setup through a transit network' [patent_app_type] => new [patent_app_number] => 10/229497 [patent_app_country] => US [patent_app_date] => 2002-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4206 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0161/20030161334.pdf [firstpage_image] =>[orig_patent_app_number] => 10229497 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/229497
Inter-network connection setup through a transit network Aug 27, 2002 Issued
Array ( [id] => 6673258 [patent_doc_number] => 20030058861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-03-27 [patent_title] => 'Subscriber interfacing apparatus of an ATM switching system' [patent_app_type] => new [patent_app_number] => 10/207090 [patent_app_country] => US [patent_app_date] => 2002-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5188 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0058/20030058861.pdf [firstpage_image] =>[orig_patent_app_number] => 10207090 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/207090
Subscriber interfacing apparatus of an ATM switching system Jul 29, 2002 Abandoned
Array ( [id] => 7392292 [patent_doc_number] => 20040022231 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-05 [patent_title] => 'Time diversity techniques' [patent_app_type] => new [patent_app_number] => 10/207049 [patent_app_country] => US [patent_app_date] => 2002-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4925 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0022/20040022231.pdf [firstpage_image] =>[orig_patent_app_number] => 10207049 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/207049
Time diversity techniques Jul 29, 2002 Abandoned
Array ( [id] => 6687447 [patent_doc_number] => 20030031170 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-13 [patent_title] => 'Control method and apparatus for a web phone' [patent_app_type] => new [patent_app_number] => 10/207031 [patent_app_country] => US [patent_app_date] => 2002-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2674 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0031/20030031170.pdf [firstpage_image] =>[orig_patent_app_number] => 10207031 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/207031
Control method and apparatus for a web phone Jul 29, 2002 Abandoned
Array ( [id] => 6744094 [patent_doc_number] => 20030021277 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-30 [patent_title] => 'Physical layer duplicating apparatus and method of ATM exchange' [patent_app_type] => new [patent_app_number] => 10/207165 [patent_app_country] => US [patent_app_date] => 2002-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3895 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0021/20030021277.pdf [firstpage_image] =>[orig_patent_app_number] => 10207165 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/207165
Physical layer duplicating apparatus and method of ATM exchange Jul 29, 2002 Abandoned
Array ( [id] => 6109375 [patent_doc_number] => 20020172177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-11-21 [patent_title] => 'Distributed processing system' [patent_app_type] => new [patent_app_number] => 10/049491 [patent_app_country] => US [patent_app_date] => 2002-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4479 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0172/20020172177.pdf [firstpage_image] =>[orig_patent_app_number] => 10049491 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/049491
Distributed processing system Jun 24, 2002 Abandoned
10/048616 METHOD AND DEVICE FOR SELECTIVELY TRANSMITTING A MESSAGE IN A DIGITAL SWITCHING SYSTEM Jun 16, 2002 Abandoned
Array ( [id] => 517866 [patent_doc_number] => 07200113 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-04-03 [patent_title] => 'Apparatus and method for isochronous network delay compensation' [patent_app_type] => utility [patent_app_number] => 10/174040 [patent_app_country] => US [patent_app_date] => 2002-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1753 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/200/07200113.pdf [firstpage_image] =>[orig_patent_app_number] => 10174040 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/174040
Apparatus and method for isochronous network delay compensation Jun 16, 2002 Issued
Array ( [id] => 6321606 [patent_doc_number] => 20020196786 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-12-26 [patent_title] => 'Method and apparatus for data transmission' [patent_app_type] => new [patent_app_number] => 10/165134 [patent_app_country] => US [patent_app_date] => 2002-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1923 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0196/20020196786.pdf [firstpage_image] =>[orig_patent_app_number] => 10165134 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/165134
Method and apparatus for data transmission Jun 5, 2002 Abandoned
Array ( [id] => 6109384 [patent_doc_number] => 20020172185 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-11-21 [patent_title] => 'Radio communications terminal' [patent_app_type] => new [patent_app_number] => 10/147050 [patent_app_country] => US [patent_app_date] => 2002-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6533 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0172/20020172185.pdf [firstpage_image] =>[orig_patent_app_number] => 10147050 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/147050
Radio communications terminal May 16, 2002 Abandoned
Array ( [id] => 6768976 [patent_doc_number] => 20030214916 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-11-20 [patent_title] => 'Method and apparatus for arbitrating transmit events in a multimode communication device' [patent_app_type] => new [patent_app_number] => 10/147781 [patent_app_country] => US [patent_app_date] => 2002-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3173 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0214/20030214916.pdf [firstpage_image] =>[orig_patent_app_number] => 10147781 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/147781
Method and apparatus for arbitrating transmit events in a multimode communication device May 15, 2002 Issued
Array ( [id] => 570539 [patent_doc_number] => 07161951 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-01-09 [patent_title] => 'Mechanism for implementing virtual carrier sense' [patent_app_type] => utility [patent_app_number] => 10/123203 [patent_app_country] => US [patent_app_date] => 2002-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5650 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/161/07161951.pdf [firstpage_image] =>[orig_patent_app_number] => 10123203 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/123203
Mechanism for implementing virtual carrier sense Apr 16, 2002 Issued
09/959103 Fiber-optic subscriber transmission system Mar 14, 2002 Abandoned
Array ( [id] => 6763152 [patent_doc_number] => 20030126514 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-03 [patent_title] => 'Method and system for dynamically adjusting transmit and receive parameters for handling negative acknowledgments in reliable multicast' [patent_app_type] => new [patent_app_number] => 10/034430 [patent_app_country] => US [patent_app_date] => 2001-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6395 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0126/20030126514.pdf [firstpage_image] =>[orig_patent_app_number] => 10034430 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/034430
Method and system for dynamically adjusting transmit and receive parameters for handling negative acknowledgments in reliable multicast Dec 26, 2001 Issued
Array ( [id] => 714533 [patent_doc_number] => 07058090 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-06-06 [patent_title] => 'System and method for paralleling digital wrapper data streams' [patent_app_type] => utility [patent_app_number] => 10/023675 [patent_app_country] => US [patent_app_date] => 2001-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3978 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 13 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/058/07058090.pdf [firstpage_image] =>[orig_patent_app_number] => 10023675 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/023675
System and method for paralleling digital wrapper data streams Dec 17, 2001 Issued
Array ( [id] => 6126781 [patent_doc_number] => 20020075868 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-06-20 [patent_title] => 'Network node with multi-medium interfaces' [patent_app_type] => new [patent_app_number] => 10/023633 [patent_app_country] => US [patent_app_date] => 2001-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 10654 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0075/20020075868.pdf [firstpage_image] =>[orig_patent_app_number] => 10023633 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/023633
Network node with multi-medium interfaces Dec 16, 2001 Abandoned
Array ( [id] => 570229 [patent_doc_number] => 07161932 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-01-09 [patent_title] => 'Apparatus, and associated method, for completing a call to a packet-network, telephonic station' [patent_app_type] => utility [patent_app_number] => 10/023576 [patent_app_country] => US [patent_app_date] => 2001-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4252 [patent_no_of_claims] => 15 [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/07/161/07161932.pdf [firstpage_image] =>[orig_patent_app_number] => 10023576 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/023576
Apparatus, and associated method, for completing a call to a packet-network, telephonic station Dec 13, 2001 Issued
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