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] => 3107530 [patent_doc_number] => 05291566 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-01 [patent_title] => 'Total internal reflection electro-optic modulator for multiple axis and asymmetric beam profile modulation' [patent_app_type] => 1 [patent_app_number] => 7/862927 [patent_app_country] => US [patent_app_date] => 1992-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 6063 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/291/05291566.pdf [firstpage_image] =>[orig_patent_app_number] => 862927 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/862927
Total internal reflection electro-optic modulator for multiple axis and asymmetric beam profile modulation Apr 2, 1992 Issued
Array ( [id] => 2914970 [patent_doc_number] => 05249247 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-28 [patent_title] => 'Optical fibre splicing device' [patent_app_type] => 1 [patent_app_number] => 7/862336 [patent_app_country] => US [patent_app_date] => 1992-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4910 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 413 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/249/05249247.pdf [firstpage_image] =>[orig_patent_app_number] => 862336 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/862336
Optical fibre splicing device Apr 1, 1992 Issued
Array ( [id] => 3027408 [patent_doc_number] => 05309544 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-03 [patent_title] => 'Light pipe having optimized cross-section' [patent_app_type] => 1 [patent_app_number] => 7/861243 [patent_app_country] => US [patent_app_date] => 1992-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 2132 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/309/05309544.pdf [firstpage_image] =>[orig_patent_app_number] => 861243 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/861243
Light pipe having optimized cross-section Mar 30, 1992 Issued
Array ( [id] => 3027701 [patent_doc_number] => 05341450 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-23 [patent_title] => 'LiNbO3 thin film optical waveguide device and process for producing the same' [patent_app_type] => 1 [patent_app_number] => 7/861135 [patent_app_country] => US [patent_app_date] => 1992-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4761 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/341/05341450.pdf [firstpage_image] =>[orig_patent_app_number] => 861135 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/861135
LiNbO3 thin film optical waveguide device and process for producing the same Mar 30, 1992 Issued
Array ( [id] => 3064113 [patent_doc_number] => 05307437 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-26 [patent_title] => 'Optical fibre incorporating a Bragg lattice and its application' [patent_app_type] => 1 [patent_app_number] => 7/858009 [patent_app_country] => US [patent_app_date] => 1992-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 15 [patent_no_of_words] => 3710 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/307/05307437.pdf [firstpage_image] =>[orig_patent_app_number] => 858009 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/858009
Optical fibre incorporating a Bragg lattice and its application Mar 25, 1992 Issued
Array ( [id] => 3022568 [patent_doc_number] => 05333220 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-26 [patent_title] => 'Quantum non-demolition optical tapping' [patent_app_type] => 1 [patent_app_number] => 7/842340 [patent_app_country] => US [patent_app_date] => 1992-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2120 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/333/05333220.pdf [firstpage_image] =>[orig_patent_app_number] => 842340 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/842340
Quantum non-demolition optical tapping Mar 24, 1992 Issued
Array ( [id] => 2960834 [patent_doc_number] => 05222184 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-22 [patent_title] => 'Optical fibre splice storage tray' [patent_app_type] => 1 [patent_app_number] => 7/838750 [patent_app_country] => US [patent_app_date] => 1992-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1684 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/222/05222184.pdf [firstpage_image] =>[orig_patent_app_number] => 838750 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/838750
Optical fibre splice storage tray Mar 16, 1992 Issued
Array ( [id] => 2975756 [patent_doc_number] => 05274724 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-28 [patent_title] => 'Method of splicing two optical fiber cables' [patent_app_type] => 1 [patent_app_number] => 7/850931 [patent_app_country] => US [patent_app_date] => 1992-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 1967 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/274/05274724.pdf [firstpage_image] =>[orig_patent_app_number] => 850931 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/850931
Method of splicing two optical fiber cables Mar 12, 1992 Issued
Array ( [id] => 2896315 [patent_doc_number] => 05268974 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-07 [patent_title] => 'Optical switch with piezoelectric bimorph' [patent_app_type] => 1 [patent_app_number] => 7/848111 [patent_app_country] => US [patent_app_date] => 1992-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2509 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/268/05268974.pdf [firstpage_image] =>[orig_patent_app_number] => 848111 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/848111
Optical switch with piezoelectric bimorph Mar 8, 1992 Issued
Array ( [id] => 3062155 [patent_doc_number] => 05283844 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-01 [patent_title] => 'Monolithic active waveguide optical crossbar switch' [patent_app_type] => 1 [patent_app_number] => 7/846578 [patent_app_country] => US [patent_app_date] => 1992-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4017 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/283/05283844.pdf [firstpage_image] =>[orig_patent_app_number] => 846578 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/846578
Monolithic active waveguide optical crossbar switch Mar 4, 1992 Issued
Array ( [id] => 2901262 [patent_doc_number] => 05239609 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-24 [patent_title] => 'Means for routing buffer tube type fiber optical cable' [patent_app_type] => 1 [patent_app_number] => 7/845372 [patent_app_country] => US [patent_app_date] => 1992-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1007 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/239/05239609.pdf [firstpage_image] =>[orig_patent_app_number] => 845372 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/845372
Means for routing buffer tube type fiber optical cable Mar 2, 1992 Issued
Array ( [id] => 2960743 [patent_doc_number] => 05222179 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-22 [patent_title] => 'Means for routing ribbon type fiber optic cable' [patent_app_type] => 1 [patent_app_number] => 7/844541 [patent_app_country] => US [patent_app_date] => 1992-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 1189 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/222/05222179.pdf [firstpage_image] =>[orig_patent_app_number] => 844541 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/844541
Means for routing ribbon type fiber optic cable Mar 1, 1992 Issued
Array ( [id] => 2980186 [patent_doc_number] => 05256851 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-26 [patent_title] => 'Microlenses for coupling optical fibers to elliptical light beams' [patent_app_type] => 1 [patent_app_number] => 7/843481 [patent_app_country] => US [patent_app_date] => 1992-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3752 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/256/05256851.pdf [firstpage_image] =>[orig_patent_app_number] => 843481 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/843481
Microlenses for coupling optical fibers to elliptical light beams Feb 27, 1992 Issued
Array ( [id] => 2998115 [patent_doc_number] => 05212753 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-18 [patent_title] => 'Polarization preserving fiber optic terminus' [patent_app_type] => 1 [patent_app_number] => 7/841123 [patent_app_country] => US [patent_app_date] => 1992-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2376 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/212/05212753.pdf [firstpage_image] =>[orig_patent_app_number] => 841123 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/841123
Polarization preserving fiber optic terminus Feb 24, 1992 Issued
Array ( [id] => 3062321 [patent_doc_number] => 05283853 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-01 [patent_title] => 'Fiber optic end connector' [patent_app_type] => 1 [patent_app_number] => 7/836079 [patent_app_country] => US [patent_app_date] => 1992-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1416 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/283/05283853.pdf [firstpage_image] =>[orig_patent_app_number] => 836079 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/836079
Fiber optic end connector Feb 13, 1992 Issued
Array ( [id] => 3114005 [patent_doc_number] => 05315684 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-24 [patent_title] => 'Fiber optic cable end connector' [patent_app_type] => 1 [patent_app_number] => 7/832706 [patent_app_country] => US [patent_app_date] => 1992-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 24 [patent_no_of_words] => 5665 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/315/05315684.pdf [firstpage_image] =>[orig_patent_app_number] => 832706 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/832706
Fiber optic cable end connector Feb 6, 1992 Issued
Array ( [id] => 2947293 [patent_doc_number] => 05247596 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-21 [patent_title] => 'Fiber-optics connected optoelectronic device mounted on a substrate and method of manufacturing it' [patent_app_type] => 1 [patent_app_number] => 7/831850 [patent_app_country] => US [patent_app_date] => 1992-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 2615 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/247/05247596.pdf [firstpage_image] =>[orig_patent_app_number] => 831850 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/831850
Fiber-optics connected optoelectronic device mounted on a substrate and method of manufacturing it Feb 5, 1992 Issued
Array ( [id] => 2987618 [patent_doc_number] => 05208890 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-04 [patent_title] => 'Refractory-bonded glass fibers' [patent_app_type] => 1 [patent_app_number] => 7/828665 [patent_app_country] => US [patent_app_date] => 1992-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5303 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/208/05208890.pdf [firstpage_image] =>[orig_patent_app_number] => 828665 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/828665
Refractory-bonded glass fibers Feb 5, 1992 Issued
Array ( [id] => 2955218 [patent_doc_number] => 05224197 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-29 [patent_title] => 'Integrated optics using photodarkened polystyrene' [patent_app_type] => 1 [patent_app_number] => 7/830035 [patent_app_country] => US [patent_app_date] => 1992-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 4125 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/224/05224197.pdf [firstpage_image] =>[orig_patent_app_number] => 830035 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/830035
Integrated optics using photodarkened polystyrene Jan 30, 1992 Issued
Array ( [id] => 2987565 [patent_doc_number] => 05208887 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-04 [patent_title] => 'Method and apparatus for terminating a fiber-optic cable without adhesive' [patent_app_type] => 1 [patent_app_number] => 7/778898 [patent_app_country] => US [patent_app_date] => 1992-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 4934 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/208/05208887.pdf [firstpage_image] =>[orig_patent_app_number] => 778898 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/778898
Method and apparatus for terminating a fiber-optic cable without adhesive Jan 9, 1992 Issued
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