Search

Yong Liang Chu

Examiner (ID: 6935, Phone: (571)272-5759 , Office: P/1672 )

Most Active Art Unit
1626
Art Unit(s)
1626, 1731, 1672, 1621, 1629
Total Applications
2035
Issued Applications
1411
Pending Applications
126
Abandoned Applications
529

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1309709 [patent_doc_number] => 06621621 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-09-16 [patent_title] => 'Line amplification system for wavelength switched optical networks' [patent_app_type] => B1 [patent_app_number] => 09/975362 [patent_app_country] => US [patent_app_date] => 2001-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 11909 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/621/06621621.pdf [firstpage_image] =>[orig_patent_app_number] => 09975362 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/975362
Line amplification system for wavelength switched optical networks Oct 10, 2001 Issued
Array ( [id] => 1375418 [patent_doc_number] => 06570703 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-05-27 [patent_title] => 'Optical amplifying apparatus, optical amplifying method, and optical communication system' [patent_app_type] => B2 [patent_app_number] => 09/968892 [patent_app_country] => US [patent_app_date] => 2001-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 18120 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/570/06570703.pdf [firstpage_image] =>[orig_patent_app_number] => 09968892 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/968892
Optical amplifying apparatus, optical amplifying method, and optical communication system Oct 2, 2001 Issued
Array ( [id] => 1208248 [patent_doc_number] => 06717719 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-04-06 [patent_title] => 'Coherent optical beam combination using double-coated glass mirrors/mirror pairs' [patent_app_type] => B1 [patent_app_number] => 09/682433 [patent_app_country] => US [patent_app_date] => 2001-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4279 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/717/06717719.pdf [firstpage_image] =>[orig_patent_app_number] => 09682433 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/682433
Coherent optical beam combination using double-coated glass mirrors/mirror pairs Sep 30, 2001 Issued
Array ( [id] => 1415015 [patent_doc_number] => 06538803 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-25 [patent_title] => 'Optical amplifier and optical wavelength division multiplexing communication system' [patent_app_type] => B1 [patent_app_number] => 09/831473 [patent_app_country] => US [patent_app_date] => 2001-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 4483 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/538/06538803.pdf [firstpage_image] =>[orig_patent_app_number] => 09831473 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/831473
Optical amplifier and optical wavelength division multiplexing communication system Sep 26, 2001 Issued
Array ( [id] => 6399405 [patent_doc_number] => 20020036810 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-03-28 [patent_title] => 'Signal break detecting circuit' [patent_app_type] => new [patent_app_number] => 09/962113 [patent_app_country] => US [patent_app_date] => 2001-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3643 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0036/20020036810.pdf [firstpage_image] =>[orig_patent_app_number] => 09962113 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/962113
Signal break detecting circuit Sep 25, 2001 Issued
Array ( [id] => 1457267 [patent_doc_number] => 06462862 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-10-08 [patent_title] => 'Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier' [patent_app_type] => B2 [patent_app_number] => 09/962170 [patent_app_country] => US [patent_app_date] => 2001-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 48 [patent_figures_cnt] => 62 [patent_no_of_words] => 43128 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/462/06462862.pdf [firstpage_image] =>[orig_patent_app_number] => 09962170 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/962170
Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier Sep 24, 2001 Issued
Array ( [id] => 5827015 [patent_doc_number] => 20020067541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-06-06 [patent_title] => 'Semiconductor optical amplifier performing polarization-independent operation' [patent_app_type] => new [patent_app_number] => 09/960400 [patent_app_country] => US [patent_app_date] => 2001-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 6878 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0067/20020067541.pdf [firstpage_image] =>[orig_patent_app_number] => 09960400 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/960400
Semiconductor optical amplifier performing polarization-independent operation Sep 23, 2001 Issued
Array ( [id] => 1181412 [patent_doc_number] => 06747788 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-06-08 [patent_title] => 'Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier' [patent_app_type] => B2 [patent_app_number] => 09/957164 [patent_app_country] => US [patent_app_date] => 2001-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 48 [patent_figures_cnt] => 63 [patent_no_of_words] => 43109 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/747/06747788.pdf [firstpage_image] =>[orig_patent_app_number] => 09957164 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/957164
Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier Sep 19, 2001 Issued
Array ( [id] => 1342288 [patent_doc_number] => 06597633 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-22 [patent_title] => 'Method for electrolinetic downhole logging' [patent_app_type] => B1 [patent_app_number] => 09/936862 [patent_app_country] => US [patent_app_date] => 2001-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2533 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/597/06597633.pdf [firstpage_image] =>[orig_patent_app_number] => 09936862 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/936862
Method for electrolinetic downhole logging Sep 17, 2001 Issued
Array ( [id] => 6465440 [patent_doc_number] => 20020021487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-21 [patent_title] => 'Raman amplifier, optical repeater, and Raman amplification method' [patent_app_type] => new [patent_app_number] => 09/944601 [patent_app_country] => US [patent_app_date] => 2001-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 67 [patent_figures_cnt] => 67 [patent_no_of_words] => 15865 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0021/20020021487.pdf [firstpage_image] =>[orig_patent_app_number] => 09944601 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/944601
Raman amplifier, optical repeater, and raman amplification method Sep 3, 2001 Issued
Array ( [id] => 1238510 [patent_doc_number] => 06690506 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-02-10 [patent_title] => 'Control architecture and method for optical amplifiers' [patent_app_type] => B2 [patent_app_number] => 09/945153 [patent_app_country] => US [patent_app_date] => 2001-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7920 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/690/06690506.pdf [firstpage_image] =>[orig_patent_app_number] => 09945153 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/945153
Control architecture and method for optical amplifiers Aug 30, 2001 Issued
Array ( [id] => 6651271 [patent_doc_number] => 20030076580 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-04-24 [patent_title] => 'ERBIUM DOPED FIBERS FOR EXTENDED L-BAND AMPLIFICATION' [patent_app_type] => new [patent_app_number] => 09/933643 [patent_app_country] => US [patent_app_date] => 2001-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2674 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0076/20030076580.pdf [firstpage_image] =>[orig_patent_app_number] => 09933643 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/933643
Erbium doped fibers for extended L-band amplification Aug 20, 2001 Issued
Array ( [id] => 1249535 [patent_doc_number] => 06674559 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-01-06 [patent_title] => 'Optical automatic gain control based on stable, non-absorbing optical hard limiters' [patent_app_type] => B2 [patent_app_number] => 09/933222 [patent_app_country] => US [patent_app_date] => 2001-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3827 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/674/06674559.pdf [firstpage_image] =>[orig_patent_app_number] => 09933222 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/933222
Optical automatic gain control based on stable, non-absorbing optical hard limiters Aug 19, 2001 Issued
Array ( [id] => 1309739 [patent_doc_number] => 06621622 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-09-16 [patent_title] => 'Optical amplifier and optical amplifier arrangement with reduced cross phase modulation' [patent_app_type] => B2 [patent_app_number] => 09/932230 [patent_app_country] => US [patent_app_date] => 2001-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4599 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/621/06621622.pdf [firstpage_image] =>[orig_patent_app_number] => 09932230 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/932230
Optical amplifier and optical amplifier arrangement with reduced cross phase modulation Aug 16, 2001 Issued
Array ( [id] => 5903174 [patent_doc_number] => 20020141041 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-10-03 [patent_title] => 'Non-linearity compensation in optical devices and transmission systems' [patent_app_type] => new [patent_app_number] => 09/928241 [patent_app_country] => US [patent_app_date] => 2001-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3956 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0141/20020141041.pdf [firstpage_image] =>[orig_patent_app_number] => 09928241 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/928241
Non-linearity compensation in optical devices and transmission systems Aug 9, 2001 Abandoned
Array ( [id] => 5983824 [patent_doc_number] => 20020097480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-07-25 [patent_title] => 'High order fiber Raman amplifiers' [patent_app_type] => new [patent_app_number] => 09/925940 [patent_app_country] => US [patent_app_date] => 2001-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 10285 [patent_no_of_claims] => 75 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0097/20020097480.pdf [firstpage_image] =>[orig_patent_app_number] => 09925940 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/925940
High order fiber Raman amplifiers Aug 8, 2001 Issued
Array ( [id] => 1315167 [patent_doc_number] => 06618322 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-09-09 [patent_title] => 'Method and apparatus for measuring acoustic mud velocity and acoustic caliper' [patent_app_type] => B1 [patent_app_number] => 09/924995 [patent_app_country] => US [patent_app_date] => 2001-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 4211 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/618/06618322.pdf [firstpage_image] =>[orig_patent_app_number] => 09924995 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/924995
Method and apparatus for measuring acoustic mud velocity and acoustic caliper Aug 7, 2001 Issued
Array ( [id] => 1453899 [patent_doc_number] => 06456426 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-24 [patent_title] => 'Raman amplifiers with modulated pumps' [patent_app_type] => B1 [patent_app_number] => 09/922920 [patent_app_country] => US [patent_app_date] => 2001-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 7104 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/456/06456426.pdf [firstpage_image] =>[orig_patent_app_number] => 09922920 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/922920
Raman amplifiers with modulated pumps Aug 6, 2001 Issued
Array ( [id] => 1198929 [patent_doc_number] => 06728028 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-04-27 [patent_title] => 'Low noise figure optical amplifier for DWDM systems with per sub-band power control' [patent_app_type] => B1 [patent_app_number] => 09/918633 [patent_app_country] => US [patent_app_date] => 2001-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3683 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/728/06728028.pdf [firstpage_image] =>[orig_patent_app_number] => 09918633 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/918633
Low noise figure optical amplifier for DWDM systems with per sub-band power control Jul 29, 2001 Issued
Array ( [id] => 1410467 [patent_doc_number] => 06532103 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-11 [patent_title] => 'Optical fiber amplifier and optical transmission system using the same' [patent_app_type] => B1 [patent_app_number] => 09/912526 [patent_app_country] => US [patent_app_date] => 2001-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 13733 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/532/06532103.pdf [firstpage_image] =>[orig_patent_app_number] => 09912526 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/912526
Optical fiber amplifier and optical transmission system using the same Jul 25, 2001 Issued
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