Search

Kai J. Chang

Examiner (ID: 19429, Phone: (571)270-5448 , Office: P/2468 )

Most Active Art Unit
2468
Art Unit(s)
2468
Total Applications
464
Issued Applications
333
Pending Applications
28
Abandoned Applications
109

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2915768 [patent_doc_number] => 05216489 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-01 [patent_title] => 'Solid state image sensor' [patent_app_type] => 1 [patent_app_number] => 7/663428 [patent_app_country] => US [patent_app_date] => 1991-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4964 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/216/05216489.pdf [firstpage_image] =>[orig_patent_app_number] => 663428 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/663428
Solid state image sensor Feb 28, 1991 Issued
Array ( [id] => 2797028 [patent_doc_number] => 05165104 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-17 [patent_title] => 'Optical interconnecting device and method' [patent_app_type] => 1 [patent_app_number] => 7/664336 [patent_app_country] => US [patent_app_date] => 1991-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 16 [patent_no_of_words] => 6572 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/165/05165104.pdf [firstpage_image] =>[orig_patent_app_number] => 664336 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/664336
Optical interconnecting device and method Feb 28, 1991 Issued
Array ( [id] => 2812206 [patent_doc_number] => 05140654 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-18 [patent_title] => 'Optical waveguide device for polarization rotation' [patent_app_type] => 1 [patent_app_number] => 7/656491 [patent_app_country] => US [patent_app_date] => 1991-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1673 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/140/05140654.pdf [firstpage_image] =>[orig_patent_app_number] => 656491 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/656491
Optical waveguide device for polarization rotation Feb 18, 1991 Issued
Array ( [id] => 2787743 [patent_doc_number] => 05133038 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-21 [patent_title] => 'Fiber optic splice case' [patent_app_type] => 1 [patent_app_number] => 7/646188 [patent_app_country] => US [patent_app_date] => 1991-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 4183 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/133/05133038.pdf [firstpage_image] =>[orig_patent_app_number] => 646188 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/646188
Fiber optic splice case Jan 27, 1991 Issued
Array ( [id] => 2795028 [patent_doc_number] => 05165005 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-17 [patent_title] => 'Planar and other waveguide refractive index sensors using metal cladding' [patent_app_type] => 1 [patent_app_number] => 7/646148 [patent_app_country] => US [patent_app_date] => 1991-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 7185 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 15 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/165/05165005.pdf [firstpage_image] =>[orig_patent_app_number] => 646148 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/646148
Planar and other waveguide refractive index sensors using metal cladding Jan 23, 1991 Issued
Array ( [id] => 2849264 [patent_doc_number] => 05121450 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-09 [patent_title] => 'Fiber optical Y-junction' [patent_app_type] => 1 [patent_app_number] => 7/644783 [patent_app_country] => US [patent_app_date] => 1991-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2862 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/121/05121450.pdf [firstpage_image] =>[orig_patent_app_number] => 644783 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/644783
Fiber optical Y-junction Jan 22, 1991 Issued
Array ( [id] => 2831831 [patent_doc_number] => 05168538 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-01 [patent_title] => 'Optical probe employing an impedance matched sub-lambda transmission line' [patent_app_type] => 1 [patent_app_number] => 7/642041 [patent_app_country] => US [patent_app_date] => 1991-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4512 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/168/05168538.pdf [firstpage_image] =>[orig_patent_app_number] => 642041 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/642041
Optical probe employing an impedance matched sub-lambda transmission line Jan 15, 1991 Issued
Array ( [id] => 2695880 [patent_doc_number] => 05054867 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-08 [patent_title] => 'Apparatus for irradiating the bronchi of a patient for the purpose of photodynamic therapy' [patent_app_type] => 1 [patent_app_number] => 7/638254 [patent_app_country] => US [patent_app_date] => 1991-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1588 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/054/05054867.pdf [firstpage_image] =>[orig_patent_app_number] => 638254 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/638254
Apparatus for irradiating the bronchi of a patient for the purpose of photodynamic therapy Jan 3, 1991 Issued
Array ( [id] => 2892084 [patent_doc_number] => 05109470 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-28 [patent_title] => 'Data transmission line and storage body' [patent_app_type] => 1 [patent_app_number] => 7/634123 [patent_app_country] => US [patent_app_date] => 1990-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1157 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/109/05109470.pdf [firstpage_image] =>[orig_patent_app_number] => 634123 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/634123
Data transmission line and storage body Dec 30, 1990 Issued
07/633149 METHOD AND APPARATUS FOR INSTALLING A FIBER OPTIC CABLE BY CAPTURE OF A CONNECTOR NUT Dec 23, 1990 Abandoned
Array ( [id] => 2760250 [patent_doc_number] => 05074638 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-24 [patent_title] => 'Method for joining optical fibers at the fiber interface of a beveled angle fiber optic connector' [patent_app_type] => 1 [patent_app_number] => 7/629323 [patent_app_country] => US [patent_app_date] => 1990-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 6275 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/074/05074638.pdf [firstpage_image] =>[orig_patent_app_number] => 629323 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/629323
Method for joining optical fibers at the fiber interface of a beveled angle fiber optic connector Dec 17, 1990 Issued
Array ( [id] => 2863579 [patent_doc_number] => 05134675 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-28 [patent_title] => 'Beveled angle fiber optic connector' [patent_app_type] => 1 [patent_app_number] => 7/629321 [patent_app_country] => US [patent_app_date] => 1990-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 6275 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/134/05134675.pdf [firstpage_image] =>[orig_patent_app_number] => 629321 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/629321
Beveled angle fiber optic connector Dec 17, 1990 Issued
Array ( [id] => 2985404 [patent_doc_number] => 05195151 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-16 [patent_title] => 'Optical fiber couplers and methods of their manufacture' [patent_app_type] => 1 [patent_app_number] => 7/628597 [patent_app_country] => US [patent_app_date] => 1990-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 24 [patent_no_of_words] => 8578 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/195/05195151.pdf [firstpage_image] =>[orig_patent_app_number] => 628597 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/628597
Optical fiber couplers and methods of their manufacture Dec 16, 1990 Issued
Array ( [id] => 2872059 [patent_doc_number] => 05166993 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-24 [patent_title] => 'Molded polymeric resin-filled optical coupler' [patent_app_type] => 1 [patent_app_number] => 7/624154 [patent_app_country] => US [patent_app_date] => 1990-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 2399 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/166/05166993.pdf [firstpage_image] =>[orig_patent_app_number] => 624154 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/624154
Molded polymeric resin-filled optical coupler Dec 6, 1990 Issued
Array ( [id] => 2667041 [patent_doc_number] => 05044725 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-03 [patent_title] => 'Polymeric thin film waveguide media' [patent_app_type] => 1 [patent_app_number] => 7/614904 [patent_app_country] => US [patent_app_date] => 1990-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7320 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/044/05044725.pdf [firstpage_image] =>[orig_patent_app_number] => 614904 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/614904
Polymeric thin film waveguide media Nov 15, 1990 Issued
Array ( [id] => 2722164 [patent_doc_number] => 05031981 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-16 [patent_title] => 'Attachment and disengagement tool for bayonet type optical fiber connector' [patent_app_type] => 1 [patent_app_number] => 7/613194 [patent_app_country] => US [patent_app_date] => 1990-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2149 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/031/05031981.pdf [firstpage_image] =>[orig_patent_app_number] => 613194 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/613194
Attachment and disengagement tool for bayonet type optical fiber connector Nov 14, 1990 Issued
Array ( [id] => 2787078 [patent_doc_number] => 05151955 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-29 [patent_title] => 'Optical isolator' [patent_app_type] => 1 [patent_app_number] => 7/612016 [patent_app_country] => US [patent_app_date] => 1990-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4776 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 330 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/151/05151955.pdf [firstpage_image] =>[orig_patent_app_number] => 612016 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/612016
Optical isolator Nov 8, 1990 Issued
Array ( [id] => 2933599 [patent_doc_number] => 05201020 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-06 [patent_title] => 'Reinforced protective tube for optical waveguide fibers' [patent_app_type] => 1 [patent_app_number] => 7/610506 [patent_app_country] => US [patent_app_date] => 1990-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5386 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/201/05201020.pdf [firstpage_image] =>[orig_patent_app_number] => 610506 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/610506
Reinforced protective tube for optical waveguide fibers Nov 7, 1990 Issued
Array ( [id] => 2800211 [patent_doc_number] => 05078516 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-07 [patent_title] => 'Tapered rib waveguides' [patent_app_type] => 1 [patent_app_number] => 7/609907 [patent_app_country] => US [patent_app_date] => 1990-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2184 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/078/05078516.pdf [firstpage_image] =>[orig_patent_app_number] => 609907 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/609907
Tapered rib waveguides Nov 5, 1990 Issued
Array ( [id] => 2723617 [patent_doc_number] => 05076654 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-31 [patent_title] => 'Packaging of silicon optical components' [patent_app_type] => 1 [patent_app_number] => 7/603646 [patent_app_country] => US [patent_app_date] => 1990-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2710 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/076/05076654.pdf [firstpage_image] =>[orig_patent_app_number] => 603646 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/603646
Packaging of silicon optical components Oct 28, 1990 Issued
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