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] => 3031947 [patent_doc_number] => 05303324 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-12 [patent_title] => 'Method and apparatus for providing controlled light distribution from a cylindrical fiberoptic diffuser' [patent_app_type] => 1 [patent_app_number] => 7/968140 [patent_app_country] => US [patent_app_date] => 1992-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2440 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/303/05303324.pdf [firstpage_image] =>[orig_patent_app_number] => 968140 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/968140
Method and apparatus for providing controlled light distribution from a cylindrical fiberoptic diffuser Oct 28, 1992 Issued
Array ( [id] => 3102140 [patent_doc_number] => 05278932 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-11 [patent_title] => 'Optical fiber splice verification system' [patent_app_type] => 1 [patent_app_number] => 7/954089 [patent_app_country] => US [patent_app_date] => 1992-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4752 [patent_no_of_claims] => 10 [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/05/278/05278932.pdf [firstpage_image] =>[orig_patent_app_number] => 954089 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/954089
Optical fiber splice verification system Sep 29, 1992 Issued
Array ( [id] => 3101977 [patent_doc_number] => 05278923 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-11 [patent_title] => 'Cascaded optical modulation system with high linearity' [patent_app_type] => 1 [patent_app_number] => 7/939940 [patent_app_country] => US [patent_app_date] => 1992-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 41 [patent_no_of_words] => 13149 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/278/05278923.pdf [firstpage_image] =>[orig_patent_app_number] => 939940 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/939940
Cascaded optical modulation system with high linearity Sep 1, 1992 Issued
Array ( [id] => 3091554 [patent_doc_number] => 05321707 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-14 [patent_title] => 'Remote pumping for active optical devices' [patent_app_type] => 1 [patent_app_number] => 7/919920 [patent_app_country] => US [patent_app_date] => 1992-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2761 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/321/05321707.pdf [firstpage_image] =>[orig_patent_app_number] => 919920 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/919920
Remote pumping for active optical devices Jul 26, 1992 Issued
Array ( [id] => 2933809 [patent_doc_number] => 05235666 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-10 [patent_title] => 'Production of a hermetically coated optical fiber' [patent_app_type] => 1 [patent_app_number] => 7/916638 [patent_app_country] => US [patent_app_date] => 1992-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3442 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/235/05235666.pdf [firstpage_image] =>[orig_patent_app_number] => 916638 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/916638
Production of a hermetically coated optical fiber Jul 21, 1992 Issued
Array ( [id] => 3107478 [patent_doc_number] => 05293442 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-08 [patent_title] => 'Crush-resistant high-strength buffered optical waveguide fiber cable' [patent_app_type] => 1 [patent_app_number] => 7/915970 [patent_app_country] => US [patent_app_date] => 1992-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1467 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/293/05293442.pdf [firstpage_image] =>[orig_patent_app_number] => 915970 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/915970
Crush-resistant high-strength buffered optical waveguide fiber cable Jul 14, 1992 Issued
Array ( [id] => 3077299 [patent_doc_number] => 05295213 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-15 [patent_title] => 'Optical connector with ion exchange hardening' [patent_app_type] => 1 [patent_app_number] => 7/912500 [patent_app_country] => US [patent_app_date] => 1992-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 1917 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/295/05295213.pdf [firstpage_image] =>[orig_patent_app_number] => 912500 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/912500
Optical connector with ion exchange hardening Jul 12, 1992 Issued
Array ( [id] => 3057639 [patent_doc_number] => 05287424 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-15 [patent_title] => 'Optical fiber coupler with overlapping core-extensions, and manufacturing methods of the same' [patent_app_type] => 1 [patent_app_number] => 7/908466 [patent_app_country] => US [patent_app_date] => 1992-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 4406 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/287/05287424.pdf [firstpage_image] =>[orig_patent_app_number] => 908466 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/908466
Optical fiber coupler with overlapping core-extensions, and manufacturing methods of the same Jul 5, 1992 Issued
Array ( [id] => 2975828 [patent_doc_number] => 05274728 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-28 [patent_title] => 'Heavy metal-oxide glass optical fibers for use in laser medical surgery' [patent_app_type] => 1 [patent_app_number] => 7/909380 [patent_app_country] => US [patent_app_date] => 1992-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8548 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/274/05274728.pdf [firstpage_image] =>[orig_patent_app_number] => 909380 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/909380
Heavy metal-oxide glass optical fibers for use in laser medical surgery Jul 5, 1992 Issued
Array ( [id] => 2896474 [patent_doc_number] => 05268982 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-07 [patent_title] => 'Friction detent duplex plug assembly' [patent_app_type] => 1 [patent_app_number] => 7/906080 [patent_app_country] => US [patent_app_date] => 1992-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2459 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/268/05268982.pdf [firstpage_image] =>[orig_patent_app_number] => 906080 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/906080
Friction detent duplex plug assembly Jun 28, 1992 Issued
Array ( [id] => 3022328 [patent_doc_number] => 05276746 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-04 [patent_title] => 'Polarization independent optical tap' [patent_app_type] => 1 [patent_app_number] => 7/903690 [patent_app_country] => US [patent_app_date] => 1992-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1545 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/276/05276746.pdf [firstpage_image] =>[orig_patent_app_number] => 903690 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/903690
Polarization independent optical tap Jun 23, 1992 Issued
Array ( [id] => 3093021 [patent_doc_number] => 05321783 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-14 [patent_title] => 'Mount for optical fibers' [patent_app_type] => 1 [patent_app_number] => 7/899470 [patent_app_country] => US [patent_app_date] => 1992-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2719 [patent_no_of_claims] => 53 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/321/05321783.pdf [firstpage_image] =>[orig_patent_app_number] => 899470 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/899470
Mount for optical fibers Jun 15, 1992 Issued
Array ( [id] => 2957759 [patent_doc_number] => 05255333 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-19 [patent_title] => 'Opto-electronic transducer arrangement having a lens-type optical coupling' [patent_app_type] => 1 [patent_app_number] => 7/896918 [patent_app_country] => US [patent_app_date] => 1992-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2338 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/255/05255333.pdf [firstpage_image] =>[orig_patent_app_number] => 896918 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/896918
Opto-electronic transducer arrangement having a lens-type optical coupling Jun 10, 1992 Issued
Array ( [id] => 3107351 [patent_doc_number] => 05293435 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-08 [patent_title] => 'Light diverging/converging device, structural element for said device and method of producing said element' [patent_app_type] => 1 [patent_app_number] => 7/895700 [patent_app_country] => US [patent_app_date] => 1992-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 29 [patent_no_of_words] => 7318 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 15 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/293/05293435.pdf [firstpage_image] =>[orig_patent_app_number] => 895700 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/895700
Light diverging/converging device, structural element for said device and method of producing said element Jun 8, 1992 Issued
Array ( [id] => 3000856 [patent_doc_number] => 05267339 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-30 [patent_title] => 'Optical fiber having a core with a repeatedly changing constitutional parameter' [patent_app_type] => 1 [patent_app_number] => 7/895480 [patent_app_country] => US [patent_app_date] => 1992-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3312 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/267/05267339.pdf [firstpage_image] =>[orig_patent_app_number] => 895480 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/895480
Optical fiber having a core with a repeatedly changing constitutional parameter Jun 7, 1992 Issued
Array ( [id] => 2947350 [patent_doc_number] => 05247599 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-21 [patent_title] => 'Steam resistant optical fiber cable' [patent_app_type] => 1 [patent_app_number] => 7/893720 [patent_app_country] => US [patent_app_date] => 1992-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4155 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/247/05247599.pdf [firstpage_image] =>[orig_patent_app_number] => 893720 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/893720
Steam resistant optical fiber cable Jun 4, 1992 Issued
Array ( [id] => 2924238 [patent_doc_number] => 05228102 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-13 [patent_title] => 'Method of fusing optical fibers by arc discharge' [patent_app_type] => 1 [patent_app_number] => 7/875266 [patent_app_country] => US [patent_app_date] => 1992-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 1853 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/228/05228102.pdf [firstpage_image] =>[orig_patent_app_number] => 875266 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/875266
Method of fusing optical fibers by arc discharge Apr 27, 1992 Issued
Array ( [id] => 2946340 [patent_doc_number] => 05230030 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-20 [patent_title] => 'Interface coupling electronic circuitry' [patent_app_type] => 1 [patent_app_number] => 7/873261 [patent_app_country] => US [patent_app_date] => 1992-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2052 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/230/05230030.pdf [firstpage_image] =>[orig_patent_app_number] => 873261 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/873261
Interface coupling electronic circuitry Apr 23, 1992 Issued
Array ( [id] => 2797046 [patent_doc_number] => 05142597 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-25 [patent_title] => 'Interconnect assembly for wall outlet' [patent_app_type] => 1 [patent_app_number] => 7/866283 [patent_app_country] => US [patent_app_date] => 1992-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4021 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/142/05142597.pdf [firstpage_image] =>[orig_patent_app_number] => 866283 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/866283
Interconnect assembly for wall outlet Apr 9, 1992 Issued
Array ( [id] => 3063795 [patent_doc_number] => 05325457 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-28 [patent_title] => 'Field protected self-supporting fiber optic cable' [patent_app_type] => 1 [patent_app_number] => 7/862934 [patent_app_country] => US [patent_app_date] => 1992-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 8520 [patent_no_of_claims] => 47 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/325/05325457.pdf [firstpage_image] =>[orig_patent_app_number] => 862934 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/862934
Field protected self-supporting fiber optic cable Apr 2, 1992 Issued
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