![](/images/general/no_picture/200_user.png)
Yu-wen Chang
Examiner (ID: 3611)
Most Active Art Unit | 2413 |
Art Unit(s) | 2413 |
Total Applications | 249 |
Issued Applications | 142 |
Pending Applications | 56 |
Abandoned Applications | 51 |
Applications
Application number | Title of the application | Filing Date | Status |
---|---|---|---|
Array
(
[id] => 2498010
[patent_doc_number] => 04843387
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-06-27
[patent_title] => 'Variable capacitance type encoder'
[patent_app_type] => 1
[patent_app_number] => 7/183975
[patent_app_country] => US
[patent_app_date] => 1988-04-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 11
[patent_no_of_words] => 9393
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 458
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/843/04843387.pdf
[firstpage_image] =>[orig_patent_app_number] => 183975
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/183975 | Variable capacitance type encoder | Apr 19, 1988 | Issued |
Array
(
[id] => 2480240
[patent_doc_number] => 04879552
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-11-07
[patent_title] => 'Variable capacitance type encoder'
[patent_app_type] => 1
[patent_app_number] => 7/185348
[patent_app_country] => US
[patent_app_date] => 1988-04-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 9
[patent_no_of_words] => 7695
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 539
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/879/04879552.pdf
[firstpage_image] =>[orig_patent_app_number] => 185348
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/185348 | Variable capacitance type encoder | Apr 19, 1988 | Issued |
Array
(
[id] => 2766010
[patent_doc_number] => 05059975
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-10-22
[patent_title] => 'Control signal generation circuit for wireless remote control signal transmitter'
[patent_app_type] => 1
[patent_app_number] => 7/185248
[patent_app_country] => US
[patent_app_date] => 1988-04-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 14
[patent_no_of_words] => 6729
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 11
[patent_words_short_claim] => 169
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/059/05059975.pdf
[firstpage_image] =>[orig_patent_app_number] => 185248
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/185248 | Control signal generation circuit for wireless remote control signal transmitter | Apr 18, 1988 | Issued |
Array
(
[id] => 2668465
[patent_doc_number] => 04947159
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-08-07
[patent_title] => 'Power supply apparatus capable of multi-mode operation for an electrophoretic display panel'
[patent_app_type] => 1
[patent_app_number] => 7/182436
[patent_app_country] => US
[patent_app_date] => 1988-04-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 7006
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 81
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/947/04947159.pdf
[firstpage_image] =>[orig_patent_app_number] => 182436
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/182436 | Power supply apparatus capable of multi-mode operation for an electrophoretic display panel | Apr 17, 1988 | Issued |
Array
(
[id] => 2686030
[patent_doc_number] => 05005012
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-04-02
[patent_title] => 'Method of arranging data on a RAM for display'
[patent_app_type] => 1
[patent_app_number] => 7/184486
[patent_app_country] => US
[patent_app_date] => 1988-04-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 2108
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 187
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/005/05005012.pdf
[firstpage_image] =>[orig_patent_app_number] => 184486
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/184486 | Method of arranging data on a RAM for display | Apr 14, 1988 | Issued |
Array
(
[id] => 2579979
[patent_doc_number] => 04969695
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-11-13
[patent_title] => 'Detection of abnormality for rotational speed sensor'
[patent_app_type] => 1
[patent_app_number] => 7/180629
[patent_app_country] => US
[patent_app_date] => 1988-04-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 7
[patent_no_of_words] => 3586
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 193
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/969/04969695.pdf
[firstpage_image] =>[orig_patent_app_number] => 180629
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/180629 | Detection of abnormality for rotational speed sensor | Apr 5, 1988 | Issued |
Array
(
[id] => 2772426
[patent_doc_number] => 05006847
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-04-09
[patent_title] => 'Train motion detection apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/180702
[patent_app_country] => US
[patent_app_date] => 1988-04-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 11
[patent_no_of_words] => 6066
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 157
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/006/05006847.pdf
[firstpage_image] =>[orig_patent_app_number] => 180702
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/180702 | Train motion detection apparatus | Apr 4, 1988 | Issued |
Array
(
[id] => 2754771
[patent_doc_number] => 05030946
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-07-09
[patent_title] => 'Apparatus for the control of an access to a video memory'
[patent_app_type] => 1
[patent_app_number] => 7/174686
[patent_app_country] => US
[patent_app_date] => 1988-03-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 17
[patent_figures_cnt] => 42
[patent_no_of_words] => 7708
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 99
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/030/05030946.pdf
[firstpage_image] =>[orig_patent_app_number] => 174686
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/174686 | Apparatus for the control of an access to a video memory | Mar 28, 1988 | Issued |
Array
(
[id] => 2632245
[patent_doc_number] => 04951037
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-08-21
[patent_title] => 'Display segment fault detection apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/169540
[patent_app_country] => US
[patent_app_date] => 1988-03-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 16
[patent_no_of_words] => 6215
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 159
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/951/04951037.pdf
[firstpage_image] =>[orig_patent_app_number] => 169540
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/169540 | Display segment fault detection apparatus | Mar 16, 1988 | Issued |
Array
(
[id] => 2484728
[patent_doc_number] => 04882578
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-11-21
[patent_title] => 'Character display device'
[patent_app_type] => 1
[patent_app_number] => 7/167157
[patent_app_country] => US
[patent_app_date] => 1988-03-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 2468
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 299
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/882/04882578.pdf
[firstpage_image] =>[orig_patent_app_number] => 167157
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/167157 | Character display device | Mar 10, 1988 | Issued |
Array
(
[id] => 2668448
[patent_doc_number] => 04947158
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-08-07
[patent_title] => 'Method and apparatus for filling in an inner region of a pattern'
[patent_app_type] => 1
[patent_app_number] => 7/164901
[patent_app_country] => US
[patent_app_date] => 1988-03-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 32
[patent_no_of_words] => 7132
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 219
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/947/04947158.pdf
[firstpage_image] =>[orig_patent_app_number] => 164901
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/164901 | Method and apparatus for filling in an inner region of a pattern | Mar 6, 1988 | Issued |
07/160707 | TOUCH OPERATED KEYBOARD | Feb 25, 1988 | Abandoned |
Array
(
[id] => 2662351
[patent_doc_number] => 04929938
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-05-29
[patent_title] => 'Area searching system'
[patent_app_type] => 1
[patent_app_number] => 7/156117
[patent_app_country] => US
[patent_app_date] => 1988-02-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 13
[patent_no_of_words] => 3760
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 163
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/929/04929938.pdf
[firstpage_image] =>[orig_patent_app_number] => 156117
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/156117 | Area searching system | Feb 15, 1988 | Issued |
Array
(
[id] => 2637227
[patent_doc_number] => 04958148
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-09-18
[patent_title] => 'Contrast enhancing transparent touch panel device'
[patent_app_type] => 1
[patent_app_number] => 7/147627
[patent_app_country] => US
[patent_app_date] => 1988-01-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 4336
[patent_no_of_claims] => 60
[patent_no_of_ind_claims] => 8
[patent_words_short_claim] => 113
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/958/04958148.pdf
[firstpage_image] =>[orig_patent_app_number] => 147627
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/147627 | Contrast enhancing transparent touch panel device | Jan 21, 1988 | Issued |
Array
(
[id] => 2507609
[patent_doc_number] => 04869557
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-09-26
[patent_title] => 'Driver brake valve'
[patent_app_type] => 1
[patent_app_number] => 7/145666
[patent_app_country] => US
[patent_app_date] => 1988-01-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 32
[patent_figures_cnt] => 35
[patent_no_of_words] => 13245
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 24
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/869/04869557.pdf
[firstpage_image] =>[orig_patent_app_number] => 145666
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/145666 | Driver brake valve | Jan 13, 1988 | Issued |
07/143118 | RAILROAD COMMUNICATION SYSTEM | Jan 11, 1988 | Abandoned |
Array
(
[id] => 2642666
[patent_doc_number] => 04910504
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-03-20
[patent_title] => 'Touch controlled display device'
[patent_app_type] => 1
[patent_app_number] => 7/143202
[patent_app_country] => US
[patent_app_date] => 1988-01-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 2476
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 99
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/910/04910504.pdf
[firstpage_image] =>[orig_patent_app_number] => 143202
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/143202 | Touch controlled display device | Jan 10, 1988 | Issued |
Array
(
[id] => 2515942
[patent_doc_number] => 04831370
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-05-16
[patent_title] => 'Vibrating fiber optic display having a resonant ribbon driver'
[patent_app_type] => 1
[patent_app_number] => 7/141367
[patent_app_country] => US
[patent_app_date] => 1988-01-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2666
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 323
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/831/04831370.pdf
[firstpage_image] =>[orig_patent_app_number] => 141367
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/141367 | Vibrating fiber optic display having a resonant ribbon driver | Jan 4, 1988 | Issued |
Array
(
[id] => 2608350
[patent_doc_number] => 04931794
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-06-05
[patent_title] => 'Optoelectronic keyboard'
[patent_app_type] => 1
[patent_app_number] => 7/139209
[patent_app_country] => US
[patent_app_date] => 1987-12-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 15
[patent_no_of_words] => 4048
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 276
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/931/04931794.pdf
[firstpage_image] =>[orig_patent_app_number] => 139209
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/139209 | Optoelectronic keyboard | Dec 28, 1987 | Issued |
07/135534 | LED ARRAY AND PARTITIVE DRIVING METHOD THEREFORE, USING OVERLAPPING ACTIVATION PERIODS | Dec 16, 1987 | Abandoned |