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] => 4418994 [patent_doc_number] => 06229641 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-08 [patent_title] => 'Optical amplifier, method of controlling the output light from the optical amplifier, optical transmission system and method of controlling an optical transmission path cross reference to related application' [patent_app_type] => 1 [patent_app_number] => 9/500241 [patent_app_country] => US [patent_app_date] => 2000-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 10896 [patent_no_of_claims] => 11 [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/06/229/06229641.pdf [firstpage_image] =>[orig_patent_app_number] => 500241 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/500241
Optical amplifier, method of controlling the output light from the optical amplifier, optical transmission system and method of controlling an optical transmission path cross reference to related application Feb 7, 2000 Issued
Array ( [id] => 1291249 [patent_doc_number] => 06639716 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-10-28 [patent_title] => 'Wavelength division multiplexing optical communication system and optical amplifying device' [patent_app_type] => B1 [patent_app_number] => 09/499032 [patent_app_country] => US [patent_app_date] => 2000-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 16783 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/639/06639716.pdf [firstpage_image] =>[orig_patent_app_number] => 09499032 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/499032
Wavelength division multiplexing optical communication system and optical amplifying device Feb 6, 2000 Issued
Array ( [id] => 4272252 [patent_doc_number] => 06259555 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-10 [patent_title] => 'Multi-band amplification system for dense wavelength division multiplexing' [patent_app_type] => 1 [patent_app_number] => 9/494783 [patent_app_country] => US [patent_app_date] => 2000-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 21 [patent_no_of_words] => 11628 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/259/06259555.pdf [firstpage_image] =>[orig_patent_app_number] => 494783 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/494783
Multi-band amplification system for dense wavelength division multiplexing Jan 30, 2000 Issued
Array ( [id] => 4366418 [patent_doc_number] => 06201636 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-13 [patent_title] => 'Gain control unit and optical amplifier having temperature compensating function' [patent_app_type] => 1 [patent_app_number] => 9/475078 [patent_app_country] => US [patent_app_date] => 1999-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 5986 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/201/06201636.pdf [firstpage_image] =>[orig_patent_app_number] => 475078 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/475078
Gain control unit and optical amplifier having temperature compensating function Dec 29, 1999 Issued
09/470831 BROADBAND AMPLIFIER AND COMMUNICATION SYSTEM Dec 22, 1999 Abandoned
09/471752 BROADBAND AMPLIFIER AND COMMUNICATION SYSTEM Dec 22, 1999 Abandoned
Array ( [id] => 1473018 [patent_doc_number] => 06407853 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-18 [patent_title] => 'Broadhead dual wavelength pumped fiber amplifier' [patent_app_type] => B1 [patent_app_number] => 09/430446 [patent_app_country] => US [patent_app_date] => 1999-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 4703 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/407/06407853.pdf [firstpage_image] =>[orig_patent_app_number] => 09430446 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/430446
Broadhead dual wavelength pumped fiber amplifier Dec 13, 1999 Issued
Array ( [id] => 4196342 [patent_doc_number] => 06151156 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-21 [patent_title] => 'Optical fibre amplifier and transmission system with optical fibre-amplifier' [patent_app_type] => 1 [patent_app_number] => 9/452838 [patent_app_country] => US [patent_app_date] => 1999-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1341 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/151/06151156.pdf [firstpage_image] =>[orig_patent_app_number] => 452838 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/452838
Optical fibre amplifier and transmission system with optical fibre-amplifier Dec 1, 1999 Issued
Array ( [id] => 1567392 [patent_doc_number] => 06339495 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-15 [patent_title] => 'Optical amplifier with power dependent feedback' [patent_app_type] => B1 [patent_app_number] => 09/451314 [patent_app_country] => US [patent_app_date] => 1999-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 6622 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/339/06339495.pdf [firstpage_image] =>[orig_patent_app_number] => 09451314 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/451314
Optical amplifier with power dependent feedback Nov 29, 1999 Issued
Array ( [id] => 4375395 [patent_doc_number] => 06192179 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-20 [patent_title] => 'Distributed resonant ring fiber filter' [patent_app_type] => 1 [patent_app_number] => 9/441240 [patent_app_country] => US [patent_app_date] => 1999-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 4435 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/192/06192179.pdf [firstpage_image] =>[orig_patent_app_number] => 441240 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/441240
Distributed resonant ring fiber filter Nov 15, 1999 Issued
Array ( [id] => 4326557 [patent_doc_number] => 06317384 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-13 [patent_title] => 'Method for geophysical processing and interpretation using seismic trace difference for analysis and display' [patent_app_type] => 1 [patent_app_number] => 9/440489 [patent_app_country] => US [patent_app_date] => 1999-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 10282 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/317/06317384.pdf [firstpage_image] =>[orig_patent_app_number] => 440489 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/440489
Method for geophysical processing and interpretation using seismic trace difference for analysis and display Nov 14, 1999 Issued
Array ( [id] => 1341022 [patent_doc_number] => 06597496 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-22 [patent_title] => 'Silicon nanoparticle stimulated emission devices' [patent_app_type] => B1 [patent_app_number] => 09/426204 [patent_app_country] => US [patent_app_date] => 1999-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3049 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/597/06597496.pdf [firstpage_image] =>[orig_patent_app_number] => 09426204 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/426204
Silicon nanoparticle stimulated emission devices Oct 24, 1999 Issued
Array ( [id] => 1411809 [patent_doc_number] => 06542291 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-01 [patent_title] => 'Optical amplifier excitation light source control method for use in optical amplifier and optical amplifier control method' [patent_app_type] => B1 [patent_app_number] => 09/404789 [patent_app_country] => US [patent_app_date] => 1999-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 18379 [patent_no_of_claims] => 67 [patent_no_of_ind_claims] => 18 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/542/06542291.pdf [firstpage_image] =>[orig_patent_app_number] => 09404789 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/404789
Optical amplifier excitation light source control method for use in optical amplifier and optical amplifier control method Sep 23, 1999 Issued
Array ( [id] => 4248917 [patent_doc_number] => 06144485 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-07 [patent_title] => 'Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied' [patent_app_type] => 1 [patent_app_number] => 9/399225 [patent_app_country] => US [patent_app_date] => 1999-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 32 [patent_no_of_words] => 12236 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 18 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/144/06144485.pdf [firstpage_image] =>[orig_patent_app_number] => 399225 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/399225
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied Sep 19, 1999 Issued
Array ( [id] => 1131059 [patent_doc_number] => 06791901 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-09-14 [patent_title] => 'Seismic detection apparatus and related method' [patent_app_type] => B1 [patent_app_number] => 09/396052 [patent_app_country] => US [patent_app_date] => 1999-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6064 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/791/06791901.pdf [firstpage_image] =>[orig_patent_app_number] => 09396052 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/396052
Seismic detection apparatus and related method Sep 14, 1999 Issued
Array ( [id] => 5887007 [patent_doc_number] => 20020012163 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-01-31 [patent_title] => 'OPTICAL FIBER AMPLIFIER WITH OSCILLATING PUMP ENERGY' [patent_app_type] => new [patent_app_number] => 09/386940 [patent_app_country] => US [patent_app_date] => 1999-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4326 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0012/20020012163.pdf [firstpage_image] =>[orig_patent_app_number] => 09386940 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/386940
Optical fiber amplifier with oscillating pump energy Aug 30, 1999 Issued
Array ( [id] => 4417862 [patent_doc_number] => 06301041 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-09 [patent_title] => 'Unidirectional optical amplifier' [patent_app_type] => 1 [patent_app_number] => 9/376180 [patent_app_country] => US [patent_app_date] => 1999-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 5007 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/301/06301041.pdf [firstpage_image] =>[orig_patent_app_number] => 376180 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/376180
Unidirectional optical amplifier Aug 16, 1999 Issued
Array ( [id] => 4283320 [patent_doc_number] => 06246511 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-12 [patent_title] => 'Apparatus and method to compensate for optical fiber amplifier gain variation' [patent_app_type] => 1 [patent_app_number] => 9/372973 [patent_app_country] => US [patent_app_date] => 1999-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 3651 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/246/06246511.pdf [firstpage_image] =>[orig_patent_app_number] => 372973 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/372973
Apparatus and method to compensate for optical fiber amplifier gain variation Aug 11, 1999 Issued
Array ( [id] => 1408256 [patent_doc_number] => 06545799 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-08 [patent_title] => 'Method and apparatus for optical system link control' [patent_app_type] => B1 [patent_app_number] => 09/373309 [patent_app_country] => US [patent_app_date] => 1999-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2724 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/545/06545799.pdf [firstpage_image] =>[orig_patent_app_number] => 09373309 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/373309
Method and apparatus for optical system link control Aug 11, 1999 Issued
Array ( [id] => 4415899 [patent_doc_number] => 06233092 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-15 [patent_title] => 'Management and utilization of ASE in optical amplifier' [patent_app_type] => 1 [patent_app_number] => 9/373307 [patent_app_country] => US [patent_app_date] => 1999-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3478 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/233/06233092.pdf [firstpage_image] =>[orig_patent_app_number] => 373307 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/373307
Management and utilization of ASE in optical amplifier Aug 11, 1999 Issued
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