
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] => 2891263
[patent_doc_number] => 05119450
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-06-02
[patent_title] => 'Broad wavelength range single mode integrated optics device'
[patent_app_type] => 1
[patent_app_number] => 7/747763
[patent_app_country] => US
[patent_app_date] => 1991-08-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 6
[patent_no_of_words] => 3450
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 138
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/119/05119450.pdf
[firstpage_image] =>[orig_patent_app_number] => 747763
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/747763 | Broad wavelength range single mode integrated optics device | Aug 19, 1991 | Issued |
Array
(
[id] => 2841895
[patent_doc_number] => 05175778
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-12-29
[patent_title] => 'Integrated optic waveguide coupler with reduced wavelength sensitivity'
[patent_app_type] => 1
[patent_app_number] => 7/745472
[patent_app_country] => US
[patent_app_date] => 1991-08-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 1810
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 83
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/175/05175778.pdf
[firstpage_image] =>[orig_patent_app_number] => 745472
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/745472 | Integrated optic waveguide coupler with reduced wavelength sensitivity | Aug 14, 1991 | Issued |
Array
(
[id] => 2872069
[patent_doc_number] => 05150435
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-09-22
[patent_title] => 'Signal processing system of optical fiber gyro'
[patent_app_type] => 1
[patent_app_number] => 7/744249
[patent_app_country] => US
[patent_app_date] => 1991-08-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 4519
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 284
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/150/05150435.pdf
[firstpage_image] =>[orig_patent_app_number] => 744249
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/744249 | Signal processing system of optical fiber gyro | Aug 12, 1991 | Issued |
Array
(
[id] => 2957343
[patent_doc_number] => 05181268
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-01-19
[patent_title] => 'Strippable tight buffered optical waveguide fiber'
[patent_app_type] => 1
[patent_app_number] => 7/743763
[patent_app_country] => US
[patent_app_date] => 1991-08-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 4438
[patent_no_of_claims] => 23
[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/05/181/05181268.pdf
[firstpage_image] =>[orig_patent_app_number] => 743763
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/743763 | Strippable tight buffered optical waveguide fiber | Aug 11, 1991 | Issued |
Array
(
[id] => 2812335
[patent_doc_number] => 05140661
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-08-18
[patent_title] => 'Optical fiber terminus'
[patent_app_type] => 1
[patent_app_number] => 7/741082
[patent_app_country] => US
[patent_app_date] => 1991-08-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 7
[patent_no_of_words] => 2442
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 143
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/140/05140661.pdf
[firstpage_image] =>[orig_patent_app_number] => 741082
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/741082 | Optical fiber terminus | Aug 5, 1991 | Issued |
Array
(
[id] => 2797048
[patent_doc_number] => 05165105
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-11-17
[patent_title] => 'Separate confinement electroabsorption modulator utilizing the Franz-Keldysh effect'
[patent_app_type] => 1
[patent_app_number] => 7/739870
[patent_app_country] => US
[patent_app_date] => 1991-08-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 3150
[patent_no_of_claims] => 30
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 102
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/165/05165105.pdf
[firstpage_image] =>[orig_patent_app_number] => 739870
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/739870 | Separate confinement electroabsorption modulator utilizing the Franz-Keldysh effect | Aug 1, 1991 | Issued |
Array
(
[id] => 2787596
[patent_doc_number] => 05133030
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-07-21
[patent_title] => 'Fiber optic switch having a curved reflector'
[patent_app_type] => 1
[patent_app_number] => 7/735661
[patent_app_country] => US
[patent_app_date] => 1991-07-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 11
[patent_no_of_words] => 6018
[patent_no_of_claims] => 51
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 226
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/133/05133030.pdf
[firstpage_image] =>[orig_patent_app_number] => 735661
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/735661 | Fiber optic switch having a curved reflector | Jul 25, 1991 | Issued |
Array
(
[id] => 2865926
[patent_doc_number] => 05127080
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-06-30
[patent_title] => 'Pseudo-intagliated fiber optic phosphor screen and method'
[patent_app_type] => 1
[patent_app_number] => 7/716753
[patent_app_country] => US
[patent_app_date] => 1991-06-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 6
[patent_no_of_words] => 1946
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 221
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/127/05127080.pdf
[firstpage_image] =>[orig_patent_app_number] => 716753
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/716753 | Pseudo-intagliated fiber optic phosphor screen and method | Jun 17, 1991 | Issued |
| 07/713821 | FIBER OPTIC TRANSPORT END CONNECTOR | Jun 11, 1991 | Abandoned |
Array
(
[id] => 2957252
[patent_doc_number] => 05181263
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-01-19
[patent_title] => 'Wave-guide I/O for optical or electro-optical components'
[patent_app_type] => 1
[patent_app_number] => 7/711606
[patent_app_country] => US
[patent_app_date] => 1991-06-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 1563
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 112
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/181/05181263.pdf
[firstpage_image] =>[orig_patent_app_number] => 711606
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/711606 | Wave-guide I/O for optical or electro-optical components | Jun 6, 1991 | Issued |
Array
(
[id] => 2803450
[patent_doc_number] => 05136677
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-08-04
[patent_title] => 'Photorefractive effect in bulk chalcogenide glass and devices made therefrom'
[patent_app_type] => 1
[patent_app_number] => 7/711627
[patent_app_country] => US
[patent_app_date] => 1991-06-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 15
[patent_no_of_words] => 4442
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 89
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/136/05136677.pdf
[firstpage_image] =>[orig_patent_app_number] => 711627
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/711627 | Photorefractive effect in bulk chalcogenide glass and devices made therefrom | Jun 5, 1991 | Issued |
Array
(
[id] => 2795799
[patent_doc_number] => 05093876
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-03-03
[patent_title] => 'WDM systems incorporating adiabatic reflection filters'
[patent_app_type] => 1
[patent_app_number] => 7/709009
[patent_app_country] => US
[patent_app_date] => 1991-05-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 8
[patent_no_of_words] => 4041
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 195
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/093/05093876.pdf
[firstpage_image] =>[orig_patent_app_number] => 709009
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/709009 | WDM systems incorporating adiabatic reflection filters | May 30, 1991 | Issued |
| 07/702140 | PROCESS FOR MAKING MULTIFUNCTION INTEGRATED OPTICS CHIPS HAVING HIGH ELECTRO-OPTIC COEFFICIENTS | May 12, 1991 | Abandoned |
Array
(
[id] => 2794061
[patent_doc_number] => 05164954
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-11-17
[patent_title] => 'Wavelength-tunable traveling-wave semiconductor ring-laser'
[patent_app_type] => 1
[patent_app_number] => 7/697710
[patent_app_country] => US
[patent_app_date] => 1991-05-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 8
[patent_no_of_words] => 4865
[patent_no_of_claims] => 30
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 84
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/164/05164954.pdf
[firstpage_image] =>[orig_patent_app_number] => 697710
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/697710 | Wavelength-tunable traveling-wave semiconductor ring-laser | May 8, 1991 | Issued |
Array
(
[id] => 2939285
[patent_doc_number] => 05187763
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-02-16
[patent_title] => 'Optical fiber cable having dripless, non-bleeding and optical fiber coating-compatible waterblocking material in core thereof'
[patent_app_type] => 1
[patent_app_number] => 7/691770
[patent_app_country] => US
[patent_app_date] => 1991-04-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 10
[patent_no_of_words] => 6280
[patent_no_of_claims] => 18
[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/05/187/05187763.pdf
[firstpage_image] =>[orig_patent_app_number] => 691770
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/691770 | Optical fiber cable having dripless, non-bleeding and optical fiber coating-compatible waterblocking material in core thereof | Apr 25, 1991 | Issued |
Array
(
[id] => 2987817
[patent_doc_number] => 05226099
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-07-06
[patent_title] => 'Digital micromirror shutter device'
[patent_app_type] => 1
[patent_app_number] => 7/691920
[patent_app_country] => US
[patent_app_date] => 1991-04-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 13
[patent_no_of_words] => 2655
[patent_no_of_claims] => 38
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 76
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/226/05226099.pdf
[firstpage_image] =>[orig_patent_app_number] => 691920
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/691920 | Digital micromirror shutter device | Apr 25, 1991 | Issued |
Array
(
[id] => 2882267
[patent_doc_number] => 05091911
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-02-25
[patent_title] => 'Long wavelength NdYAG laser'
[patent_app_type] => 1
[patent_app_number] => 7/691695
[patent_app_country] => US
[patent_app_date] => 1991-04-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 2876
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 141
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/091/05091911.pdf
[firstpage_image] =>[orig_patent_app_number] => 691695
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/691695 | Long wavelength NdYAG laser | Apr 25, 1991 | Issued |
Array
(
[id] => 2866639
[patent_doc_number] => 05113462
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-05-12
[patent_title] => 'High energy fiber optica coupler'
[patent_app_type] => 1
[patent_app_number] => 7/682872
[patent_app_country] => US
[patent_app_date] => 1991-04-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 8
[patent_no_of_words] => 2612
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 92
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/113/05113462.pdf
[firstpage_image] =>[orig_patent_app_number] => 682872
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/682872 | High energy fiber optica coupler | Apr 7, 1991 | Issued |
Array
(
[id] => 2881451
[patent_doc_number] => 05153931
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-10-06
[patent_title] => 'Fiber optic hydrogen sensor'
[patent_app_type] => 1
[patent_app_number] => 7/678520
[patent_app_country] => US
[patent_app_date] => 1991-04-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 2810
[patent_no_of_claims] => 18
[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/05/153/05153931.pdf
[firstpage_image] =>[orig_patent_app_number] => 678520
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/678520 | Fiber optic hydrogen sensor | Mar 31, 1991 | Issued |
Array
(
[id] => 2802231
[patent_doc_number] => 05103493
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-04-07
[patent_title] => 'Improved planar etched mirror facets'
[patent_app_type] => 1
[patent_app_number] => 7/669817
[patent_app_country] => US
[patent_app_date] => 1991-03-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 9
[patent_no_of_words] => 2981
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 67
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/103/05103493.pdf
[firstpage_image] =>[orig_patent_app_number] => 669817
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/669817 | Improved planar etched mirror facets | Mar 14, 1991 | Issued |