
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |