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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] => 2817921 [patent_doc_number] => 05086296 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-04 [patent_title] => 'Signal generating device' [patent_app_type] => 1 [patent_app_number] => 7/279389 [patent_app_country] => US [patent_app_date] => 1988-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2794 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/086/05086296.pdf [firstpage_image] =>[orig_patent_app_number] => 279389 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/279389
Signal generating device Dec 1, 1988 Issued
Array ( [id] => 2604250 [patent_doc_number] => 04922248 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-05-01 [patent_title] => 'Key output method for keyboards' [patent_app_type] => 1 [patent_app_number] => 7/275697 [patent_app_country] => US [patent_app_date] => 1988-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 1926 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 369 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/922/04922248.pdf [firstpage_image] =>[orig_patent_app_number] => 275697 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/275697
Key output method for keyboards Nov 22, 1988 Issued
Array ( [id] => 2673631 [patent_doc_number] => 04935731 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-19 [patent_title] => 'Image display apparatus' [patent_app_type] => 1 [patent_app_number] => 7/275806 [patent_app_country] => US [patent_app_date] => 1988-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 2390 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/935/04935731.pdf [firstpage_image] =>[orig_patent_app_number] => 275806 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/275806
Image display apparatus Nov 22, 1988 Issued
Array ( [id] => 2640288 [patent_doc_number] => 04893120 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-01-09 [patent_title] => 'Touch panel using modulated light' [patent_app_type] => 1 [patent_app_number] => 7/274708 [patent_app_country] => US [patent_app_date] => 1988-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4301 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/893/04893120.pdf [firstpage_image] =>[orig_patent_app_number] => 274708 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/274708
Touch panel using modulated light Nov 17, 1988 Issued
Array ( [id] => 2497900 [patent_doc_number] => 04843381 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-27 [patent_title] => 'Field sequential color liquid crystal display and method' [patent_app_type] => 1 [patent_app_number] => 7/274638 [patent_app_country] => US [patent_app_date] => 1988-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4664 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/843/04843381.pdf [firstpage_image] =>[orig_patent_app_number] => 274638 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/274638
Field sequential color liquid crystal display and method Nov 15, 1988 Issued
07/261968 ELECTRICALLY CONDUCTIVE TRANSPARENT MATERIAL AND A DISPLAY DEVICE USING THE ELECTRICALLY CONDUCTIVE TRANSPARENT MATERIAL Nov 13, 1988 Abandoned
Array ( [id] => 2643472 [patent_doc_number] => 04914427 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-04-03 [patent_title] => 'Matrix display system and method' [patent_app_type] => 1 [patent_app_number] => 7/266938 [patent_app_country] => US [patent_app_date] => 1988-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 1862 [patent_no_of_claims] => 8 [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/04/914/04914427.pdf [firstpage_image] =>[orig_patent_app_number] => 266938 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/266938
Matrix display system and method Nov 2, 1988 Issued
Array ( [id] => 2700512 [patent_doc_number] => 04996523 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-26 [patent_title] => 'Electroluminescent storage display with improved intensity driver circuits' [patent_app_type] => 1 [patent_app_number] => 7/260103 [patent_app_country] => US [patent_app_date] => 1988-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2160 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/996/04996523.pdf [firstpage_image] =>[orig_patent_app_number] => 260103 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/260103
Electroluminescent storage display with improved intensity driver circuits Oct 19, 1988 Issued
Array ( [id] => 2712347 [patent_doc_number] => 05068649 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-26 [patent_title] => 'Method and apparatus for displaying different shades of gray on a liquid crystal display' [patent_app_type] => 1 [patent_app_number] => 7/258269 [patent_app_country] => US [patent_app_date] => 1988-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 3671 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/068/05068649.pdf [firstpage_image] =>[orig_patent_app_number] => 258269 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/258269
Method and apparatus for displaying different shades of gray on a liquid crystal display Oct 13, 1988 Issued
Array ( [id] => 2751393 [patent_doc_number] => 05012229 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-30 [patent_title] => 'User wearable personal/medical information device' [patent_app_type] => 1 [patent_app_number] => 7/256231 [patent_app_country] => US [patent_app_date] => 1988-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3396 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/012/05012229.pdf [firstpage_image] =>[orig_patent_app_number] => 256231 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/256231
User wearable personal/medical information device Oct 10, 1988 Issued
Array ( [id] => 2675120 [patent_doc_number] => 04954819 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-04 [patent_title] => 'Computer graphics windowing system for the display of multiple dynamic images' [patent_app_type] => 1 [patent_app_number] => 7/256335 [patent_app_country] => US [patent_app_date] => 1988-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 5331 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/954/04954819.pdf [firstpage_image] =>[orig_patent_app_number] => 256335 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/256335
Computer graphics windowing system for the display of multiple dynamic images Oct 10, 1988 Issued
Array ( [id] => 2720862 [patent_doc_number] => 05053764 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-01 [patent_title] => 'System for the display of images in half tones on a matrix screen' [patent_app_type] => 1 [patent_app_number] => 7/252139 [patent_app_country] => US [patent_app_date] => 1988-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 3775 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/053/05053764.pdf [firstpage_image] =>[orig_patent_app_number] => 252139 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/252139
System for the display of images in half tones on a matrix screen Oct 2, 1988 Issued
Array ( [id] => 2668431 [patent_doc_number] => 04947157 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-07 [patent_title] => 'Apparatus and methods for pulsing the electrodes of an electrophoretic display for achieving faster display operation' [patent_app_type] => 1 [patent_app_number] => 7/252598 [patent_app_country] => US [patent_app_date] => 1988-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 4081 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/947/04947157.pdf [firstpage_image] =>[orig_patent_app_number] => 252598 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/252598
Apparatus and methods for pulsing the electrodes of an electrophoretic display for achieving faster display operation Oct 2, 1988 Issued
Array ( [id] => 2602864 [patent_doc_number] => 04965563 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-23 [patent_title] => 'Flat display driving circuit for a display containing margins' [patent_app_type] => 1 [patent_app_number] => 7/249993 [patent_app_country] => US [patent_app_date] => 1988-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 23 [patent_no_of_words] => 5613 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 320 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/965/04965563.pdf [firstpage_image] =>[orig_patent_app_number] => 249993 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/249993
Flat display driving circuit for a display containing margins Sep 26, 1988 Issued
07/248868 THIN FILM ELECTROLUMINESCENT EDGE EMITTER STRUCTURE HAVING AN INTEGRAL OPTICAL LENS SYSTEM Sep 22, 1988 Abandoned
07/248043 DISPLAY APPARATUS Sep 22, 1988 Abandoned
Array ( [id] => 2563206 [patent_doc_number] => 04961071 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-02 [patent_title] => 'Apparatus for receipt and display of raster scan imagery signals in relocatable windows on a video monitor' [patent_app_type] => 1 [patent_app_number] => 7/249646 [patent_app_country] => US [patent_app_date] => 1988-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 36 [patent_no_of_words] => 6670 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/961/04961071.pdf [firstpage_image] =>[orig_patent_app_number] => 249646 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/249646
Apparatus for receipt and display of raster scan imagery signals in relocatable windows on a video monitor Sep 22, 1988 Issued
Array ( [id] => 2662278 [patent_doc_number] => 04929934 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-05-29 [patent_title] => 'Pressure-sensitive input apparatus' [patent_app_type] => 1 [patent_app_number] => 7/247782 [patent_app_country] => US [patent_app_date] => 1988-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 2806 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/929/04929934.pdf [firstpage_image] =>[orig_patent_app_number] => 247782 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/247782
Pressure-sensitive input apparatus Sep 21, 1988 Issued
Array ( [id] => 2738615 [patent_doc_number] => 05032829 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-16 [patent_title] => 'Thin film el display device' [patent_app_type] => 1 [patent_app_number] => 7/244841 [patent_app_country] => US [patent_app_date] => 1988-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 5737 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/032/05032829.pdf [firstpage_image] =>[orig_patent_app_number] => 244841 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/244841
Thin film el display device Sep 14, 1988 Issued
Array ( [id] => 2621803 [patent_doc_number] => 04957329 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-18 [patent_title] => 'Malfunction preventive anti-skid brake control system for automotive brake system' [patent_app_type] => 1 [patent_app_number] => 7/244655 [patent_app_country] => US [patent_app_date] => 1988-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 30 [patent_no_of_words] => 18804 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/957/04957329.pdf [firstpage_image] =>[orig_patent_app_number] => 244655 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/244655
Malfunction preventive anti-skid brake control system for automotive brake system Sep 13, 1988 Issued
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