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] => 2722458 [patent_doc_number] => 05031996 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-16 [patent_title] => 'Optical transmission element' [patent_app_type] => 1 [patent_app_number] => 7/500934 [patent_app_country] => US [patent_app_date] => 1990-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1460 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/031/05031996.pdf [firstpage_image] =>[orig_patent_app_number] => 500934 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/500934
Optical transmission element Mar 28, 1990 Issued
07/500491 OPTICAL CONNECTOR FOR ENDOSCOPE Mar 27, 1990 Abandoned
Array ( [id] => 2660029 [patent_doc_number] => 05026139 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-25 [patent_title] => 'Fiber optic refractive index sensor using metal cladding' [patent_app_type] => 1 [patent_app_number] => 7/501144 [patent_app_country] => US [patent_app_date] => 1990-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 5176 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/026/05026139.pdf [firstpage_image] =>[orig_patent_app_number] => 501144 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/501144
Fiber optic refractive index sensor using metal cladding Mar 27, 1990 Issued
Array ( [id] => 2724340 [patent_doc_number] => 05039197 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-13 [patent_title] => 'Cable and tape structures therefor' [patent_app_type] => 1 [patent_app_number] => 7/498257 [patent_app_country] => US [patent_app_date] => 1990-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 4266 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/039/05039197.pdf [firstpage_image] =>[orig_patent_app_number] => 498257 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/498257
Cable and tape structures therefor Mar 21, 1990 Issued
Array ( [id] => 2929299 [patent_doc_number] => 05193130 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-09 [patent_title] => 'Light deflecting device' [patent_app_type] => 1 [patent_app_number] => 7/474763 [patent_app_country] => US [patent_app_date] => 1990-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 5855 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/193/05193130.pdf [firstpage_image] =>[orig_patent_app_number] => 474763 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/474763
Light deflecting device Mar 19, 1990 Issued
Array ( [id] => 2825833 [patent_doc_number] => 05123071 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-16 [patent_title] => 'Overconnector assembly for a pair of push-pull coupling type optical fiber connectors' [patent_app_type] => 1 [patent_app_number] => 7/491755 [patent_app_country] => US [patent_app_date] => 1990-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5232 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/123/05123071.pdf [firstpage_image] =>[orig_patent_app_number] => 491755 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/491755
Overconnector assembly for a pair of push-pull coupling type optical fiber connectors Mar 8, 1990 Issued
Array ( [id] => 2838051 [patent_doc_number] => 05117476 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-26 [patent_title] => 'Optical transceiver package with insertable subassembly' [patent_app_type] => 1 [patent_app_number] => 7/480702 [patent_app_country] => US [patent_app_date] => 1990-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3419 [patent_no_of_claims] => 18 [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/05/117/05117476.pdf [firstpage_image] =>[orig_patent_app_number] => 480702 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/480702
Optical transceiver package with insertable subassembly Feb 14, 1990 Issued
Array ( [id] => 2733358 [patent_doc_number] => 05002361 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-26 [patent_title] => 'Polymeric thin film waveguide media' [patent_app_type] => 1 [patent_app_number] => 7/468676 [patent_app_country] => US [patent_app_date] => 1990-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3854 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/002/05002361.pdf [firstpage_image] =>[orig_patent_app_number] => 468676 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/468676
Polymeric thin film waveguide media Jan 22, 1990 Issued
Array ( [id] => 2724320 [patent_doc_number] => 05039196 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-13 [patent_title] => 'Optical fiber cable pulling eye' [patent_app_type] => 1 [patent_app_number] => 7/468469 [patent_app_country] => US [patent_app_date] => 1990-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 1969 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/039/05039196.pdf [firstpage_image] =>[orig_patent_app_number] => 468469 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/468469
Optical fiber cable pulling eye Jan 21, 1990 Issued
07/467825 TRANSCEIVER PACKAGE Jan 18, 1990 Abandoned
Array ( [id] => 2738410 [patent_doc_number] => 05020871 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-04 [patent_title] => 'Optical fiber wiring apparatus' [patent_app_type] => 1 [patent_app_number] => 7/464107 [patent_app_country] => US [patent_app_date] => 1990-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 18 [patent_no_of_words] => 6792 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/020/05020871.pdf [firstpage_image] =>[orig_patent_app_number] => 464107 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/464107
Optical fiber wiring apparatus Jan 11, 1990 Issued
Array ( [id] => 2695044 [patent_doc_number] => 05013110 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-07 [patent_title] => 'Optical fibre end piece for an optical fibre' [patent_app_type] => 1 [patent_app_number] => 7/457837 [patent_app_country] => US [patent_app_date] => 1989-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1374 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/013/05013110.pdf [firstpage_image] =>[orig_patent_app_number] => 457837 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/457837
Optical fibre end piece for an optical fibre Dec 26, 1989 Issued
Array ( [id] => 2698046 [patent_doc_number] => 05016960 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-21 [patent_title] => 'Hybrid optical Y-junction' [patent_app_type] => 1 [patent_app_number] => 7/455526 [patent_app_country] => US [patent_app_date] => 1989-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2678 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/016/05016960.pdf [firstpage_image] =>[orig_patent_app_number] => 455526 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/455526
Hybrid optical Y-junction Dec 21, 1989 Issued
Array ( [id] => 2812411 [patent_doc_number] => 05140665 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-18 [patent_title] => 'Optical waveguide fiber with titania-silica outer cladding' [patent_app_type] => 1 [patent_app_number] => 7/456140 [patent_app_country] => US [patent_app_date] => 1989-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 26 [patent_no_of_words] => 14853 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/140/05140665.pdf [firstpage_image] =>[orig_patent_app_number] => 456140 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/456140
Optical waveguide fiber with titania-silica outer cladding Dec 21, 1989 Issued
Array ( [id] => 2697898 [patent_doc_number] => 05016952 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-21 [patent_title] => 'Cable closure including superabsorbent foam water blocking system and methods of using same' [patent_app_type] => 1 [patent_app_number] => 7/455106 [patent_app_country] => US [patent_app_date] => 1989-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3950 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/016/05016952.pdf [firstpage_image] =>[orig_patent_app_number] => 455106 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/455106
Cable closure including superabsorbent foam water blocking system and methods of using same Dec 21, 1989 Issued
Array ( [id] => 2733516 [patent_doc_number] => 05028105 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-02 [patent_title] => 'Photorefractive effect in bulk glass and devices made therefrom' [patent_app_type] => 1 [patent_app_number] => 7/454646 [patent_app_country] => US [patent_app_date] => 1989-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 15 [patent_no_of_words] => 4442 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/028/05028105.pdf [firstpage_image] =>[orig_patent_app_number] => 454646 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/454646
Photorefractive effect in bulk glass and devices made therefrom Dec 20, 1989 Issued
Array ( [id] => 2580919 [patent_doc_number] => 04958899 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-25 [patent_title] => 'Annular optical fiber support with radial gas jets' [patent_app_type] => 1 [patent_app_number] => 7/454348 [patent_app_country] => US [patent_app_date] => 1989-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 3872 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/958/04958899.pdf [firstpage_image] =>[orig_patent_app_number] => 454348 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/454348
Annular optical fiber support with radial gas jets Dec 20, 1989 Issued
Array ( [id] => 2722440 [patent_doc_number] => 05031995 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-16 [patent_title] => 'Composite reinforced fiber for high G loads' [patent_app_type] => 1 [patent_app_number] => 7/454717 [patent_app_country] => US [patent_app_date] => 1989-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2837 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/031/05031995.pdf [firstpage_image] =>[orig_patent_app_number] => 454717 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/454717
Composite reinforced fiber for high G loads Dec 20, 1989 Issued
Array ( [id] => 2723615 [patent_doc_number] => 04997246 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-05 [patent_title] => 'Silicon-based rib waveguide optical modulator' [patent_app_type] => 1 [patent_app_number] => 7/456006 [patent_app_country] => US [patent_app_date] => 1989-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 3514 [patent_no_of_claims] => 18 [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/04/997/04997246.pdf [firstpage_image] =>[orig_patent_app_number] => 456006 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/456006
Silicon-based rib waveguide optical modulator Dec 20, 1989 Issued
07/452147 FIBER OPTIC SWITCH HAVING A CURVED REFLECTOR Dec 17, 1989 Abandoned
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