
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] => 2991045
[patent_doc_number] => 05204922
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-04-20
[patent_title] => 'Optical signal channel selector'
[patent_app_type] => 1
[patent_app_number] => 7/780477
[patent_app_country] => US
[patent_app_date] => 1991-10-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 4197
[patent_no_of_claims] => 35
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 153
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/204/05204922.pdf
[firstpage_image] =>[orig_patent_app_number] => 780477
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/780477 | Optical signal channel selector | Oct 21, 1991 | Issued |
Array
(
[id] => 2819500
[patent_doc_number] => 05157755
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-10-20
[patent_title] => 'Hermetically coated optical fiber'
[patent_app_type] => 1
[patent_app_number] => 7/774167
[patent_app_country] => US
[patent_app_date] => 1991-10-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 3441
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 80
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/157/05157755.pdf
[firstpage_image] =>[orig_patent_app_number] => 774167
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/774167 | Hermetically coated optical fiber | Oct 14, 1991 | Issued |
Array
(
[id] => 2955236
[patent_doc_number] => 05224198
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-06-29
[patent_title] => 'Waveguide virtual image display'
[patent_app_type] => 1
[patent_app_number] => 7/767180
[patent_app_country] => US
[patent_app_date] => 1991-09-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 13
[patent_no_of_words] => 3192
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 118
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/224/05224198.pdf
[firstpage_image] =>[orig_patent_app_number] => 767180
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/767180 | Waveguide virtual image display | Sep 29, 1991 | Issued |
Array
(
[id] => 2971692
[patent_doc_number] => 05199097
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-03-30
[patent_title] => 'Light wavelength shifter'
[patent_app_type] => 1
[patent_app_number] => 7/765734
[patent_app_country] => US
[patent_app_date] => 1991-09-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 2086
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 101
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/199/05199097.pdf
[firstpage_image] =>[orig_patent_app_number] => 765734
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/765734 | Light wavelength shifter | Sep 25, 1991 | Issued |
Array
(
[id] => 2882189
[patent_doc_number] => 05163106
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-11-10
[patent_title] => 'Waveguide-type optical switch'
[patent_app_type] => 1
[patent_app_number] => 7/763196
[patent_app_country] => US
[patent_app_date] => 1991-09-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 10
[patent_no_of_words] => 4783
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 82
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/163/05163106.pdf
[firstpage_image] =>[orig_patent_app_number] => 763196
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/763196 | Waveguide-type optical switch | Sep 19, 1991 | Issued |
Array
(
[id] => 2946408
[patent_doc_number] => 05230034
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-07-20
[patent_title] => 'All dielectric self-supporting fiber optic cable'
[patent_app_type] => 1
[patent_app_number] => 7/763410
[patent_app_country] => US
[patent_app_date] => 1991-09-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 6104
[patent_no_of_claims] => 52
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 66
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/230/05230034.pdf
[firstpage_image] =>[orig_patent_app_number] => 763410
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/763410 | All dielectric self-supporting fiber optic cable | Sep 19, 1991 | Issued |
Array
(
[id] => 2951087
[patent_doc_number] => 05191632
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-03-02
[patent_title] => 'Splice actuator tool'
[patent_app_type] => 1
[patent_app_number] => 7/763112
[patent_app_country] => US
[patent_app_date] => 1991-09-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 2480
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 63
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/191/05191632.pdf
[firstpage_image] =>[orig_patent_app_number] => 763112
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/763112 | Splice actuator tool | Sep 19, 1991 | Issued |
Array
(
[id] => 2924557
[patent_doc_number] => 05237630
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-08-17
[patent_title] => 'Fiber optic device with reflector located at splice joint'
[patent_app_type] => 1
[patent_app_number] => 7/763444
[patent_app_country] => US
[patent_app_date] => 1991-09-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 24
[patent_no_of_words] => 5883
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 7
[patent_words_short_claim] => 141
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/237/05237630.pdf
[firstpage_image] =>[orig_patent_app_number] => 763444
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/763444 | Fiber optic device with reflector located at splice joint | Sep 19, 1991 | Issued |
Array
(
[id] => 2835526
[patent_doc_number] => 05170458
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-12-08
[patent_title] => 'Optical fiber light-amplifier system'
[patent_app_type] => 1
[patent_app_number] => 7/763215
[patent_app_country] => US
[patent_app_date] => 1991-09-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 3494
[patent_no_of_claims] => 2
[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/05/170/05170458.pdf
[firstpage_image] =>[orig_patent_app_number] => 763215
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/763215 | Optical fiber light-amplifier system | Sep 19, 1991 | Issued |
Array
(
[id] => 2855982
[patent_doc_number] => 05138678
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-08-11
[patent_title] => 'Connector with a variable direction strain relief'
[patent_app_type] => 1
[patent_app_number] => 7/763108
[patent_app_country] => US
[patent_app_date] => 1991-09-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 2317
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 79
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/138/05138678.pdf
[firstpage_image] =>[orig_patent_app_number] => 763108
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/763108 | Connector with a variable direction strain relief | Sep 19, 1991 | Issued |
Array
(
[id] => 2957362
[patent_doc_number] => 05181269
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-01-19
[patent_title] => 'Optical fiber including acidic coating system'
[patent_app_type] => 1
[patent_app_number] => 7/761135
[patent_app_country] => US
[patent_app_date] => 1991-09-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 6
[patent_no_of_words] => 3851
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 83
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/181/05181269.pdf
[firstpage_image] =>[orig_patent_app_number] => 761135
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/761135 | Optical fiber including acidic coating system | Sep 16, 1991 | Issued |
Array
(
[id] => 3093119
[patent_doc_number] => 05321789
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-06-14
[patent_title] => 'Projection display apparatus, and light guide tube/light valve for use in the same'
[patent_app_type] => 1
[patent_app_number] => 7/760887
[patent_app_country] => US
[patent_app_date] => 1991-09-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 16
[patent_figures_cnt] => 18
[patent_no_of_words] => 6581
[patent_no_of_claims] => 56
[patent_no_of_ind_claims] => 8
[patent_words_short_claim] => 70
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/321/05321789.pdf
[firstpage_image] =>[orig_patent_app_number] => 760887
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/760887 | Projection display apparatus, and light guide tube/light valve for use in the same | Sep 16, 1991 | Issued |
Array
(
[id] => 2819304
[patent_doc_number] => 05157745
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-10-20
[patent_title] => 'Multi-channel fiber optic rotary joint for single-mode fiber'
[patent_app_type] => 1
[patent_app_number] => 7/760635
[patent_app_country] => US
[patent_app_date] => 1991-09-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 4554
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 182
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/157/05157745.pdf
[firstpage_image] =>[orig_patent_app_number] => 760635
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/760635 | Multi-channel fiber optic rotary joint for single-mode fiber | Sep 15, 1991 | Issued |
Array
(
[id] => 3022613
[patent_doc_number] => 05276761
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-01-04
[patent_title] => 'Hollow waveguide for ultraviolet wavelength region laser beams'
[patent_app_type] => 1
[patent_app_number] => 7/759598
[patent_app_country] => US
[patent_app_date] => 1991-09-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 11
[patent_no_of_words] => 2783
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 134
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/276/05276761.pdf
[firstpage_image] =>[orig_patent_app_number] => 759598
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/759598 | Hollow waveguide for ultraviolet wavelength region laser beams | Sep 15, 1991 | Issued |
Array
(
[id] => 2803229
[patent_doc_number] => 05136667
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-08-04
[patent_title] => 'Fiber optic gyro'
[patent_app_type] => 1
[patent_app_number] => 7/759436
[patent_app_country] => US
[patent_app_date] => 1991-09-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 6
[patent_no_of_words] => 2527
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 305
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/136/05136667.pdf
[firstpage_image] =>[orig_patent_app_number] => 759436
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/759436 | Fiber optic gyro | Sep 12, 1991 | Issued |
Array
(
[id] => 2817400
[patent_doc_number] => 05122638
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-06-16
[patent_title] => 'Optical fiber fusion splicer'
[patent_app_type] => 1
[patent_app_number] => 7/759439
[patent_app_country] => US
[patent_app_date] => 1991-09-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 10
[patent_no_of_words] => 1843
[patent_no_of_claims] => 5
[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/05/122/05122638.pdf
[firstpage_image] =>[orig_patent_app_number] => 759439
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/759439 | Optical fiber fusion splicer | Sep 12, 1991 | Issued |
Array
(
[id] => 2939157
[patent_doc_number] => 05187756
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-02-16
[patent_title] => 'Surface acoustic waveguide device and manufacturing method'
[patent_app_type] => 1
[patent_app_number] => 7/758608
[patent_app_country] => US
[patent_app_date] => 1991-09-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 8
[patent_no_of_words] => 2844
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 120
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/187/05187756.pdf
[firstpage_image] =>[orig_patent_app_number] => 758608
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/758608 | Surface acoustic waveguide device and manufacturing method | Sep 11, 1991 | Issued |
Array
(
[id] => 2872206
[patent_doc_number] => 05167001
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-11-24
[patent_title] => 'Optical fiber storage and connector tray and shelf and tray assembly'
[patent_app_type] => 1
[patent_app_number] => 7/753587
[patent_app_country] => US
[patent_app_date] => 1991-09-03
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/167/05167001.pdf
[firstpage_image] =>[orig_patent_app_number] => 753587
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/753587 | Optical fiber storage and connector tray and shelf and tray assembly | Sep 2, 1991 | Issued |
Array
(
[id] => 2987833
[patent_doc_number] => 05226100
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-07-06
[patent_title] => 'Optical grating comprising a plurality of side-by-side outfeed end faces of optical waveguides'
[patent_app_type] => 1
[patent_app_number] => 7/749693
[patent_app_country] => US
[patent_app_date] => 1991-08-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 4849
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/226/05226100.pdf
[firstpage_image] =>[orig_patent_app_number] => 749693
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/749693 | Optical grating comprising a plurality of side-by-side outfeed end faces of optical waveguides | Aug 25, 1991 | Issued |
Array
(
[id] => 2960634
[patent_doc_number] => 05222173
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-06-22
[patent_title] => 'Electro-optical overhead wire with at least 24 light wave guides'
[patent_app_type] => 1
[patent_app_number] => 7/749700
[patent_app_country] => US
[patent_app_date] => 1991-08-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
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[patent_no_of_words] => 1852
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[patent_words_short_claim] => 87
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/222/05222173.pdf
[firstpage_image] =>[orig_patent_app_number] => 749700
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/749700 | Electro-optical overhead wire with at least 24 light wave guides | Aug 25, 1991 | Issued |