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] => 4366436 [patent_doc_number] => 06201637 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-13 [patent_title] => 'Long-wavelength optical fiber amplifier' [patent_app_type] => 1 [patent_app_number] => 9/366560 [patent_app_country] => US [patent_app_date] => 1999-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4167 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/201/06201637.pdf [firstpage_image] =>[orig_patent_app_number] => 366560 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/366560
Long-wavelength optical fiber amplifier Aug 3, 1999 Issued
Array ( [id] => 1517362 [patent_doc_number] => 06421169 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-16 [patent_title] => 'Optical fiber amplifier having variable gain' [patent_app_type] => B1 [patent_app_number] => 09/368468 [patent_app_country] => US [patent_app_date] => 1999-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3403 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 360 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/421/06421169.pdf [firstpage_image] =>[orig_patent_app_number] => 09368468 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/368468
Optical fiber amplifier having variable gain Aug 1, 1999 Issued
Array ( [id] => 4307764 [patent_doc_number] => 06198572 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-06 [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] => 9/362120 [patent_app_country] => US [patent_app_date] => 1999-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 32 [patent_no_of_words] => 12202 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/198/06198572.pdf [firstpage_image] =>[orig_patent_app_number] => 362120 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/362120
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 Jul 27, 1999 Issued
09/359779 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 Jul 25, 1999 Abandoned
Array ( [id] => 4168409 [patent_doc_number] => 06104526 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-15 [patent_title] => 'Optical amplifier and a method of controlling the optical amplifier' [patent_app_type] => 1 [patent_app_number] => 9/349503 [patent_app_country] => US [patent_app_date] => 1999-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 15992 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/104/06104526.pdf [firstpage_image] =>[orig_patent_app_number] => 349503 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/349503
Optical amplifier and a method of controlling the optical amplifier Jul 8, 1999 Issued
Array ( [id] => 4196007 [patent_doc_number] => 06094298 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-25 [patent_title] => 'Erbium-doped fiber amplifier with automatic gain control' [patent_app_type] => 1 [patent_app_number] => 9/348112 [patent_app_country] => US [patent_app_date] => 1999-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2513 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/094/06094298.pdf [firstpage_image] =>[orig_patent_app_number] => 348112 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/348112
Erbium-doped fiber amplifier with automatic gain control Jul 5, 1999 Issued
Array ( [id] => 4340469 [patent_doc_number] => 06320693 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-20 [patent_title] => 'Thermal tuning of optical amplifiers and use of same in wavelength division multiplexed systems' [patent_app_type] => 1 [patent_app_number] => 9/343661 [patent_app_country] => US [patent_app_date] => 1999-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 9765 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 17 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/320/06320693.pdf [firstpage_image] =>[orig_patent_app_number] => 343661 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/343661
Thermal tuning of optical amplifiers and use of same in wavelength division multiplexed systems Jun 28, 1999 Issued
Array ( [id] => 4326211 [patent_doc_number] => 06243219 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-05 [patent_title] => 'Laser light optical limiter' [patent_app_type] => 1 [patent_app_number] => 9/342716 [patent_app_country] => US [patent_app_date] => 1999-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 6506 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/243/06243219.pdf [firstpage_image] =>[orig_patent_app_number] => 342716 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/342716
Laser light optical limiter Jun 28, 1999 Issued
Array ( [id] => 1483375 [patent_doc_number] => 06452988 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-17 [patent_title] => 'Adaptive sensor array apparatus' [patent_app_type] => B1 [patent_app_number] => 09/344444 [patent_app_country] => US [patent_app_date] => 1999-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7896 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/452/06452988.pdf [firstpage_image] =>[orig_patent_app_number] => 09344444 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/344444
Adaptive sensor array apparatus Jun 28, 1999 Issued
Array ( [id] => 1449636 [patent_doc_number] => 06369938 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-09 [patent_title] => 'Multi-wavelength light amplifier' [patent_app_type] => B1 [patent_app_number] => 09/339258 [patent_app_country] => US [patent_app_date] => 1999-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 8496 [patent_no_of_claims] => 51 [patent_no_of_ind_claims] => 22 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/369/06369938.pdf [firstpage_image] =>[orig_patent_app_number] => 09339258 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/339258
Multi-wavelength light amplifier Jun 23, 1999 Issued
Array ( [id] => 4143732 [patent_doc_number] => 06147795 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-14 [patent_title] => 'Retrofit heater for erbium fiber in an erbium-doped fiber amplifier (EDFA)' [patent_app_type] => 1 [patent_app_number] => 9/336998 [patent_app_country] => US [patent_app_date] => 1999-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2960 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/147/06147795.pdf [firstpage_image] =>[orig_patent_app_number] => 336998 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/336998
Retrofit heater for erbium fiber in an erbium-doped fiber amplifier (EDFA) Jun 20, 1999 Issued
Array ( [id] => 4168866 [patent_doc_number] => 06157481 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-05 [patent_title] => 'Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of the channels are varied' [patent_app_type] => 1 [patent_app_number] => 9/328368 [patent_app_country] => US [patent_app_date] => 1999-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 32 [patent_no_of_words] => 12266 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/157/06157481.pdf [firstpage_image] =>[orig_patent_app_number] => 328368 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/328368
Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of the channels are varied Jun 8, 1999 Issued
09/317221 MICROCHIP - YB FIBER HYBRID OPTICAL AMPLIFIER FOR MICRO-MACHINING AND MARKING May 23, 1999 Abandoned
Array ( [id] => 1572364 [patent_doc_number] => 06498676 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-24 [patent_title] => 'Optical filter for use or with an optical amplifier' [patent_app_type] => B1 [patent_app_number] => 09/309489 [patent_app_country] => US [patent_app_date] => 1999-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 21 [patent_no_of_words] => 4363 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/498/06498676.pdf [firstpage_image] =>[orig_patent_app_number] => 09309489 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/309489
Optical filter for use or with an optical amplifier May 10, 1999 Issued
Array ( [id] => 4367242 [patent_doc_number] => 06175445 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-16 [patent_title] => 'Optical fiber for a flat-gain optical amplifier' [patent_app_type] => 1 [patent_app_number] => 9/305659 [patent_app_country] => US [patent_app_date] => 1999-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3415 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/175/06175445.pdf [firstpage_image] =>[orig_patent_app_number] => 305659 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/305659
Optical fiber for a flat-gain optical amplifier May 4, 1999 Issued
Array ( [id] => 1479801 [patent_doc_number] => 06344924 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-05 [patent_title] => 'Optical fiber amplifier and output power flattening method of optical fiber amplifier' [patent_app_type] => B1 [patent_app_number] => 09/299019 [patent_app_country] => US [patent_app_date] => 1999-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 23 [patent_no_of_words] => 14046 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/344/06344924.pdf [firstpage_image] =>[orig_patent_app_number] => 09299019 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/299019
Optical fiber amplifier and output power flattening method of optical fiber amplifier Apr 25, 1999 Issued
Array ( [id] => 4307014 [patent_doc_number] => 06181465 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-30 [patent_title] => 'Optical fiber gain medium with wavelength selective core filter' [patent_app_type] => 1 [patent_app_number] => 9/286707 [patent_app_country] => US [patent_app_date] => 1999-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4351 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/181/06181465.pdf [firstpage_image] =>[orig_patent_app_number] => 286707 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/286707
Optical fiber gain medium with wavelength selective core filter Apr 4, 1999 Issued
Array ( [id] => 4245429 [patent_doc_number] => 06118575 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-12 [patent_title] => 'Optical fiber gain medium with evanescent filtering' [patent_app_type] => 1 [patent_app_number] => 9/286209 [patent_app_country] => US [patent_app_date] => 1999-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4351 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/118/06118575.pdf [firstpage_image] =>[orig_patent_app_number] => 286209 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/286209
Optical fiber gain medium with evanescent filtering Apr 4, 1999 Issued
Array ( [id] => 6960311 [patent_doc_number] => 20010012147 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-08-09 [patent_title] => 'OPTICAL FIBRE AMPLIFIER HAVING A GAIN FLATTENING FILTER' [patent_app_type] => new [patent_app_number] => 09/282185 [patent_app_country] => US [patent_app_date] => 1999-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4740 [patent_no_of_claims] => 16 [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/A1/0012/20010012147.pdf [firstpage_image] =>[orig_patent_app_number] => 09282185 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/282185
Optical fiber amplifier having a gain flattening filter Mar 30, 1999 Issued
Array ( [id] => 4415870 [patent_doc_number] => 06233090 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-15 [patent_title] => 'Optical amplifier' [patent_app_type] => 1 [patent_app_number] => 9/280833 [patent_app_country] => US [patent_app_date] => 1999-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1788 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/233/06233090.pdf [firstpage_image] =>[orig_patent_app_number] => 280833 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/280833
Optical amplifier Mar 29, 1999 Issued
Menu