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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 numberTitle of the applicationFiling DateStatus
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
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