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] => 2855944 [patent_doc_number] => 05138676 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-11 [patent_title] => 'Miniature fiberoptic bend device and method' [patent_app_type] => 1 [patent_app_number] => 7/539010 [patent_app_country] => US [patent_app_date] => 1990-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 26 [patent_no_of_words] => 13595 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/138/05138676.pdf [firstpage_image] =>[orig_patent_app_number] => 539010 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/539010
Miniature fiberoptic bend device and method Jun 14, 1990 Issued
07/536875 HERMETICALLY COATED OPTICAL FIBER AND PRODUCTION OF THE SAME Jun 11, 1990 Abandoned
Array ( [id] => 2680090 [patent_doc_number] => 05018818 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-28 [patent_title] => 'Field installable fiber optic connector' [patent_app_type] => 1 [patent_app_number] => 7/535635 [patent_app_country] => US [patent_app_date] => 1990-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 952 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/018/05018818.pdf [firstpage_image] =>[orig_patent_app_number] => 535635 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/535635
Field installable fiber optic connector Jun 10, 1990 Issued
Array ( [id] => 2798586 [patent_doc_number] => 05155790 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-13 [patent_title] => 'Electronic scanner or printer with ordered fiber optic array' [patent_app_type] => 1 [patent_app_number] => 7/532932 [patent_app_country] => US [patent_app_date] => 1990-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4714 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/155/05155790.pdf [firstpage_image] =>[orig_patent_app_number] => 532932 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/532932
Electronic scanner or printer with ordered fiber optic array Jun 3, 1990 Issued
07/531934 HIGH ENERGY FIBER OPTIC COUPLER May 31, 1990 Abandoned
Array ( [id] => 2985477 [patent_doc_number] => 05195155 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-16 [patent_title] => 'Optical coupling apparatus and manufacturing method of the same, and lens holder' [patent_app_type] => 1 [patent_app_number] => 7/525675 [patent_app_country] => US [patent_app_date] => 1990-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 22 [patent_no_of_words] => 13135 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/195/05195155.pdf [firstpage_image] =>[orig_patent_app_number] => 525675 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/525675
Optical coupling apparatus and manufacturing method of the same, and lens holder May 20, 1990 Issued
Array ( [id] => 2773087 [patent_doc_number] => 05092663 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-03 [patent_title] => 'Apparatus and method for maintaining slack of fiber optic cable or the like' [patent_app_type] => 1 [patent_app_number] => 7/526875 [patent_app_country] => US [patent_app_date] => 1990-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2614 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/092/05092663.pdf [firstpage_image] =>[orig_patent_app_number] => 526875 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/526875
Apparatus and method for maintaining slack of fiber optic cable or the like May 20, 1990 Issued
Array ( [id] => 2712232 [patent_doc_number] => 05056885 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-15 [patent_title] => 'Fiber optic switch' [patent_app_type] => 1 [patent_app_number] => 7/521460 [patent_app_country] => US [patent_app_date] => 1990-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5090 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 365 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/056/05056885.pdf [firstpage_image] =>[orig_patent_app_number] => 521460 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/521460
Fiber optic switch May 9, 1990 Issued
Array ( [id] => 2658730 [patent_doc_number] => 05069521 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-03 [patent_title] => 'Optical transmission apparatus' [patent_app_type] => 1 [patent_app_number] => 7/519217 [patent_app_country] => US [patent_app_date] => 1990-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2707 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/069/05069521.pdf [firstpage_image] =>[orig_patent_app_number] => 519217 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/519217
Optical transmission apparatus May 6, 1990 Issued
Array ( [id] => 2723693 [patent_doc_number] => 05076658 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-31 [patent_title] => 'Non-linear optical polymeric fiber waveguides' [patent_app_type] => 1 [patent_app_number] => 7/516942 [patent_app_country] => US [patent_app_date] => 1990-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3544 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/076/05076658.pdf [firstpage_image] =>[orig_patent_app_number] => 516942 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/516942
Non-linear optical polymeric fiber waveguides Apr 29, 1990 Issued
Array ( [id] => 2740195 [patent_doc_number] => 05071212 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-10 [patent_title] => 'Optical fiber polarizer and process of production thereof' [patent_app_type] => 1 [patent_app_number] => 7/474053 [patent_app_country] => US [patent_app_date] => 1990-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 19 [patent_no_of_words] => 5850 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/071/05071212.pdf [firstpage_image] =>[orig_patent_app_number] => 474053 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/474053
Optical fiber polarizer and process of production thereof Apr 26, 1990 Issued
Array ( [id] => 2849246 [patent_doc_number] => 05121449 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-09 [patent_title] => 'Information detecting system of scanning type' [patent_app_type] => 1 [patent_app_number] => 7/513911 [patent_app_country] => US [patent_app_date] => 1990-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 29 [patent_no_of_words] => 7068 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/121/05121449.pdf [firstpage_image] =>[orig_patent_app_number] => 513911 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/513911
Information detecting system of scanning type Apr 23, 1990 Issued
Array ( [id] => 2697204 [patent_doc_number] => 05040865 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-20 [patent_title] => 'Frequency multiplying electro-optic modulator configuration and method' [patent_app_type] => 1 [patent_app_number] => 7/512287 [patent_app_country] => US [patent_app_date] => 1990-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3792 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/040/05040865.pdf [firstpage_image] =>[orig_patent_app_number] => 512287 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/512287
Frequency multiplying electro-optic modulator configuration and method Apr 19, 1990 Issued
Array ( [id] => 2755138 [patent_doc_number] => 05005937 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-09 [patent_title] => 'Optical branching equipment and optical network using the same' [patent_app_type] => 1 [patent_app_number] => 7/506832 [patent_app_country] => US [patent_app_date] => 1990-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 10250 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 335 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/005/05005937.pdf [firstpage_image] =>[orig_patent_app_number] => 506832 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/506832
Optical branching equipment and optical network using the same Apr 9, 1990 Issued
Array ( [id] => 2847168 [patent_doc_number] => 05083874 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-28 [patent_title] => 'Optical repeater and optical network using the same' [patent_app_type] => 1 [patent_app_number] => 7/506906 [patent_app_country] => US [patent_app_date] => 1990-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 28 [patent_no_of_words] => 8705 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/083/05083874.pdf [firstpage_image] =>[orig_patent_app_number] => 506906 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/506906
Optical repeater and optical network using the same Apr 9, 1990 Issued
Array ( [id] => 2746591 [patent_doc_number] => 05042889 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-27 [patent_title] => 'Magnetic activation mechanism for an optical switch' [patent_app_type] => 1 [patent_app_number] => 7/506310 [patent_app_country] => US [patent_app_date] => 1990-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3439 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/042/05042889.pdf [firstpage_image] =>[orig_patent_app_number] => 506310 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/506310
Magnetic activation mechanism for an optical switch Apr 8, 1990 Issued
Array ( [id] => 2736040 [patent_doc_number] => 05029967 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-09 [patent_title] => 'Optical source for optical sensing system' [patent_app_type] => 1 [patent_app_number] => 7/506424 [patent_app_country] => US [patent_app_date] => 1990-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3433 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/029/05029967.pdf [firstpage_image] =>[orig_patent_app_number] => 506424 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/506424
Optical source for optical sensing system Apr 8, 1990 Issued
Array ( [id] => 2735248 [patent_doc_number] => 05015064 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-14 [patent_title] => 'Electronic printer or scanner using a fiber optic bundle' [patent_app_type] => 1 [patent_app_number] => 7/505031 [patent_app_country] => US [patent_app_date] => 1990-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 3699 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/015/05015064.pdf [firstpage_image] =>[orig_patent_app_number] => 505031 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/505031
Electronic printer or scanner using a fiber optic bundle Apr 4, 1990 Issued
Array ( [id] => 2722200 [patent_doc_number] => 05031983 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-16 [patent_title] => 'Apparatus comprising a waveguide magneto-optic isolator' [patent_app_type] => 1 [patent_app_number] => 7/504520 [patent_app_country] => US [patent_app_date] => 1990-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5883 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/031/05031983.pdf [firstpage_image] =>[orig_patent_app_number] => 504520 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/504520
Apparatus comprising a waveguide magneto-optic isolator Apr 3, 1990 Issued
Array ( [id] => 2724852 [patent_doc_number] => 05050952 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-24 [patent_title] => 'Optical communications system for diplex or duplex transmission' [patent_app_type] => 1 [patent_app_number] => 7/503247 [patent_app_country] => US [patent_app_date] => 1990-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 6196 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/050/05050952.pdf [firstpage_image] =>[orig_patent_app_number] => 503247 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/503247
Optical communications system for diplex or duplex transmission Mar 29, 1990 Issued
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