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] => 1453896 [patent_doc_number] => 06456425 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-24 [patent_title] => 'Method and apparatus to perform lumped raman amplification' [patent_app_type] => B1 [patent_app_number] => 09/589465 [patent_app_country] => US [patent_app_date] => 2000-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2317 [patent_no_of_claims] => 11 [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/06/456/06456425.pdf [firstpage_image] =>[orig_patent_app_number] => 09589465 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/589465
Method and apparatus to perform lumped raman amplification Jun 6, 2000 Issued
Array ( [id] => 1536405 [patent_doc_number] => 06411430 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-25 [patent_title] => 'Optical amplifier' [patent_app_type] => B1 [patent_app_number] => 09/587362 [patent_app_country] => US [patent_app_date] => 2000-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 48 [patent_no_of_words] => 12377 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/411/06411430.pdf [firstpage_image] =>[orig_patent_app_number] => 09587362 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/587362
Optical amplifier Jun 1, 2000 Issued
Array ( [id] => 1552023 [patent_doc_number] => 06347007 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-12 [patent_title] => 'Semiconductor laser high power amplifier system' [patent_app_type] => B1 [patent_app_number] => 09/586405 [patent_app_country] => US [patent_app_date] => 2000-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 9509 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/347/06347007.pdf [firstpage_image] =>[orig_patent_app_number] => 09586405 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/586405
Semiconductor laser high power amplifier system Jun 1, 2000 Issued
Array ( [id] => 1411794 [patent_doc_number] => 06542290 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-01 [patent_title] => 'Optical amplifier' [patent_app_type] => B1 [patent_app_number] => 09/585280 [patent_app_country] => US [patent_app_date] => 2000-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 3675 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/542/06542290.pdf [firstpage_image] =>[orig_patent_app_number] => 09585280 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/585280
Optical amplifier Jun 1, 2000 Issued
Array ( [id] => 1496237 [patent_doc_number] => 06342966 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-29 [patent_title] => 'Crosstalk suppression in a multipath optical amplifier' [patent_app_type] => B1 [patent_app_number] => 09/576663 [patent_app_country] => US [patent_app_date] => 2000-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 4428 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/342/06342966.pdf [firstpage_image] =>[orig_patent_app_number] => 09576663 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/576663
Crosstalk suppression in a multipath optical amplifier May 22, 2000 Issued
09/508373 SULFIDE GLASS AND METHOD FOR PRODUCING SAME May 21, 2000 Abandoned
09/508372 SULFIDE GLASS AND METHOD FOR PRODUCING SAME May 21, 2000 Abandoned
Array ( [id] => 4289373 [patent_doc_number] => 06282017 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-28 [patent_title] => 'Optical communication system and optical amplifier' [patent_app_type] => 1 [patent_app_number] => 9/572854 [patent_app_country] => US [patent_app_date] => 2000-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 25 [patent_no_of_words] => 11093 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/282/06282017.pdf [firstpage_image] =>[orig_patent_app_number] => 572854 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/572854
Optical communication system and optical amplifier May 17, 2000 Issued
Array ( [id] => 4417441 [patent_doc_number] => 06239902 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-29 [patent_title] => 'Nonlinear fiber amplifiers used for a 1430-1530nm low-loss window in optical fibers' [patent_app_type] => 1 [patent_app_number] => 9/565776 [patent_app_country] => US [patent_app_date] => 2000-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 6586 [patent_no_of_claims] => 16 [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/06/239/06239902.pdf [firstpage_image] =>[orig_patent_app_number] => 565776 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/565776
Nonlinear fiber amplifiers used for a 1430-1530nm low-loss window in optical fibers May 4, 2000 Issued
Array ( [id] => 4417449 [patent_doc_number] => 06239903 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-29 [patent_title] => 'Nonlinear fiber amplifiers for a 1430-1530nm low-loss window in optical fibers' [patent_app_type] => 1 [patent_app_number] => 9/558300 [patent_app_country] => US [patent_app_date] => 2000-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 6620 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/239/06239903.pdf [firstpage_image] =>[orig_patent_app_number] => 558300 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/558300
Nonlinear fiber amplifiers for a 1430-1530nm low-loss window in optical fibers Apr 24, 2000 Issued
Array ( [id] => 1295350 [patent_doc_number] => 06631028 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-10-07 [patent_title] => 'Broadband amplifier and communication system' [patent_app_type] => B1 [patent_app_number] => 09/547169 [patent_app_country] => US [patent_app_date] => 2000-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 22 [patent_no_of_words] => 5125 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/631/06631028.pdf [firstpage_image] =>[orig_patent_app_number] => 09547169 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/547169
Broadband amplifier and communication system Apr 10, 2000 Issued
Array ( [id] => 1387929 [patent_doc_number] => 06563630 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-05-13 [patent_title] => 'Optical amplifier apparatus' [patent_app_type] => B1 [patent_app_number] => 09/529191 [patent_app_country] => US [patent_app_date] => 2000-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3017 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/563/06563630.pdf [firstpage_image] =>[orig_patent_app_number] => 09529191 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/529191
Optical amplifier apparatus Apr 9, 2000 Issued
Array ( [id] => 1570045 [patent_doc_number] => 06377389 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-23 [patent_title] => 'Optical signal varying devices' [patent_app_type] => B1 [patent_app_number] => 09/544486 [patent_app_country] => US [patent_app_date] => 2000-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 4003 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/377/06377389.pdf [firstpage_image] =>[orig_patent_app_number] => 09544486 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/544486
Optical signal varying devices Apr 6, 2000 Issued
Array ( [id] => 4365187 [patent_doc_number] => 06292288 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-18 [patent_title] => 'Raman amplifier, optical repeater, and raman amplification method' [patent_app_type] => 1 [patent_app_number] => 9/527748 [patent_app_country] => US [patent_app_date] => 2000-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 66 [patent_figures_cnt] => 81 [patent_no_of_words] => 15792 [patent_no_of_claims] => 54 [patent_no_of_ind_claims] => 15 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/292/06292288.pdf [firstpage_image] =>[orig_patent_app_number] => 527748 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/527748
Raman amplifier, optical repeater, and raman amplification method Mar 16, 2000 Issued
Array ( [id] => 7635599 [patent_doc_number] => 06381063 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-30 [patent_title] => 'Long band optical amplifier' [patent_app_type] => B1 [patent_app_number] => 09/526892 [patent_app_country] => US [patent_app_date] => 2000-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 20 [patent_no_of_words] => 4891 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 5 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/381/06381063.pdf [firstpage_image] =>[orig_patent_app_number] => 09526892 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/526892
Long band optical amplifier Mar 15, 2000 Issued
09/526581 Extended band optical fiber amplifier Mar 15, 2000 Abandoned
Array ( [id] => 1442217 [patent_doc_number] => 06496301 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-17 [patent_title] => 'Helical fiber amplifier' [patent_app_type] => B1 [patent_app_number] => 09/523215 [patent_app_country] => US [patent_app_date] => 2000-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 7563 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/496/06496301.pdf [firstpage_image] =>[orig_patent_app_number] => 09523215 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/523215
Helical fiber amplifier Mar 9, 2000 Issued
09/518390 Compact optical amplifier with integrated optical waveguide, pump source, and performance enhancing optical components Mar 2, 2000 Abandoned
09/515755 Multiple Stage Optical Fiber Amplifier Feb 28, 2000 Abandoned
Array ( [id] => 5966014 [patent_doc_number] => 20020089738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-07-11 [patent_title] => 'Optical fiber amplifier and method of amplifying an optical signal' [patent_app_type] => new [patent_app_number] => 09/505431 [patent_app_country] => US [patent_app_date] => 2000-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3193 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0089/20020089738.pdf [firstpage_image] =>[orig_patent_app_number] => 09505431 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/505431
Optical fiber amplifier and method of amplifying an optical signal Feb 15, 2000 Abandoned
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