Search

Kent Wu Chang

Supervisory Patent Examiner (ID: 5723, Phone: (571)272-7667 , Office: P/2624 )

Most Active Art Unit
2629
Art Unit(s)
2624, 2609, 2774, 2899, 2629, 2675, 2614, 2617, 2778, 2673
Total Applications
828
Issued Applications
535
Pending Applications
134
Abandoned Applications
160

Applications

Application numberTitle of the applicationFiling DateStatus
08/635536 MULTIMEDIA CONSOLE KEYBOARD Apr 21, 1996 Abandoned
Array ( [id] => 3786742 [patent_doc_number] => 05818411 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-06 [patent_title] => 'Liquid crystal display device' [patent_app_type] => 1 [patent_app_number] => 8/635700 [patent_app_country] => US [patent_app_date] => 1996-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 36 [patent_no_of_words] => 8951 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/818/05818411.pdf [firstpage_image] =>[orig_patent_app_number] => 635700 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/635700
Liquid crystal display device Apr 21, 1996 Issued
Array ( [id] => 4305578 [patent_doc_number] => 06184859 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-06 [patent_title] => 'Picture display apparatus' [patent_app_type] => 1 [patent_app_number] => 8/635010 [patent_app_country] => US [patent_app_date] => 1996-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6888 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/184/06184859.pdf [firstpage_image] =>[orig_patent_app_number] => 635010 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/635010
Picture display apparatus Apr 18, 1996 Issued
Array ( [id] => 3945462 [patent_doc_number] => 05929834 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-27 [patent_title] => 'Liquid crystal display device with tablet' [patent_app_type] => 1 [patent_app_number] => 8/633250 [patent_app_country] => US [patent_app_date] => 1996-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3385 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/929/05929834.pdf [firstpage_image] =>[orig_patent_app_number] => 633250 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/633250
Liquid crystal display device with tablet Apr 17, 1996 Issued
Array ( [id] => 3945949 [patent_doc_number] => 05872557 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-16 [patent_title] => 'Portable electronic device' [patent_app_type] => 1 [patent_app_number] => 8/633488 [patent_app_country] => US [patent_app_date] => 1996-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 5231 [patent_no_of_claims] => 7 [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/05/872/05872557.pdf [firstpage_image] =>[orig_patent_app_number] => 633488 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/633488
Portable electronic device Apr 16, 1996 Issued
Array ( [id] => 3965880 [patent_doc_number] => 05936606 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-10 [patent_title] => 'On-screen edit/display controller' [patent_app_type] => 1 [patent_app_number] => 8/632554 [patent_app_country] => US [patent_app_date] => 1996-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 17 [patent_no_of_words] => 4908 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/936/05936606.pdf [firstpage_image] =>[orig_patent_app_number] => 632554 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/632554
On-screen edit/display controller Apr 14, 1996 Issued
Array ( [id] => 3989146 [patent_doc_number] => 05949398 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-07 [patent_title] => 'Select line driver for a display matrix with toggling backplane' [patent_app_type] => 1 [patent_app_number] => 8/631484 [patent_app_country] => US [patent_app_date] => 1996-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 4722 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/949/05949398.pdf [firstpage_image] =>[orig_patent_app_number] => 631484 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/631484
Select line driver for a display matrix with toggling backplane Apr 11, 1996 Issued
Array ( [id] => 1392414 [patent_doc_number] => 06556202 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-29 [patent_title] => 'System for reconfiguring oscilloscope screen in freeze mode' [patent_app_type] => B1 [patent_app_number] => 08/629484 [patent_app_country] => US [patent_app_date] => 1996-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 7812 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/556/06556202.pdf [firstpage_image] =>[orig_patent_app_number] => 08629484 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/629484
System for reconfiguring oscilloscope screen in freeze mode Apr 9, 1996 Issued
Array ( [id] => 3929621 [patent_doc_number] => 05914708 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-22 [patent_title] => 'Computer input stylus method and apparatus' [patent_app_type] => 1 [patent_app_number] => 8/626284 [patent_app_country] => US [patent_app_date] => 1996-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 5952 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/914/05914708.pdf [firstpage_image] =>[orig_patent_app_number] => 626284 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/626284
Computer input stylus method and apparatus Apr 3, 1996 Issued
08/626874 IMAGE DATA DISPLAY CONTROL METHOD AND AN IMAGE DISPLAY DEVICE THEREOF Apr 2, 1996 Abandoned
Array ( [id] => 3731409 [patent_doc_number] => 05701132 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-23 [patent_title] => 'Virtual retinal display with expanded exit pupil' [patent_app_type] => 1 [patent_app_number] => 8/624950 [patent_app_country] => US [patent_app_date] => 1996-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 7548 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/701/05701132.pdf [firstpage_image] =>[orig_patent_app_number] => 624950 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/624950
Virtual retinal display with expanded exit pupil Mar 28, 1996 Issued
Array ( [id] => 3983413 [patent_doc_number] => 05905480 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-18 [patent_title] => 'Flat panel icon display scheme' [patent_app_type] => 1 [patent_app_number] => 8/623440 [patent_app_country] => US [patent_app_date] => 1996-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3043 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/905/05905480.pdf [firstpage_image] =>[orig_patent_app_number] => 623440 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/623440
Flat panel icon display scheme Mar 27, 1996 Issued
Array ( [id] => 4242773 [patent_doc_number] => 06075513 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-13 [patent_title] => 'Method and apparatus for automatically maintaining a predetermined image quality in a display system' [patent_app_type] => 1 [patent_app_number] => 8/624188 [patent_app_country] => US [patent_app_date] => 1996-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 20 [patent_no_of_words] => 11987 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/075/06075513.pdf [firstpage_image] =>[orig_patent_app_number] => 624188 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/624188
Method and apparatus for automatically maintaining a predetermined image quality in a display system Mar 27, 1996 Issued
Array ( [id] => 4021443 [patent_doc_number] => 05963187 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'Liquid crystal display apparatus using liquid crystal having ferroelectric phase and method of driving liquid crystal display device using liquid crystal having ferroelectric phase' [patent_app_type] => 1 [patent_app_number] => 8/622091 [patent_app_country] => US [patent_app_date] => 1996-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 11355 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/963/05963187.pdf [firstpage_image] =>[orig_patent_app_number] => 622091 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/622091
Liquid crystal display apparatus using liquid crystal having ferroelectric phase and method of driving liquid crystal display device using liquid crystal having ferroelectric phase Mar 25, 1996 Issued
Array ( [id] => 3768160 [patent_doc_number] => 05852426 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-22 [patent_title] => 'Power-saving circuit and method for driving liquid crystal display' [patent_app_type] => 1 [patent_app_number] => 8/620132 [patent_app_country] => US [patent_app_date] => 1996-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 10854 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/852/05852426.pdf [firstpage_image] =>[orig_patent_app_number] => 620132 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/620132
Power-saving circuit and method for driving liquid crystal display Mar 20, 1996 Issued
Array ( [id] => 3784944 [patent_doc_number] => 05757366 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-26 [patent_title] => 'State indication circuit for a display system' [patent_app_type] => 1 [patent_app_number] => 8/618864 [patent_app_country] => US [patent_app_date] => 1996-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3992 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/757/05757366.pdf [firstpage_image] =>[orig_patent_app_number] => 618864 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/618864
State indication circuit for a display system Mar 19, 1996 Issued
Array ( [id] => 1462757 [patent_doc_number] => 06392614 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-21 [patent_title] => 'Contrast enhancement device for led arrays' [patent_app_type] => B1 [patent_app_number] => 08/618120 [patent_app_country] => US [patent_app_date] => 1996-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1359 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/392/06392614.pdf [firstpage_image] =>[orig_patent_app_number] => 08618120 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/618120
Contrast enhancement device for led arrays Mar 18, 1996 Issued
Array ( [id] => 3967597 [patent_doc_number] => 05900866 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-04 [patent_title] => 'Method and system for providing video graphics adapter functionality on a simple frame buffer' [patent_app_type] => 1 [patent_app_number] => 8/613675 [patent_app_country] => US [patent_app_date] => 1996-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 4372 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/900/05900866.pdf [firstpage_image] =>[orig_patent_app_number] => 613675 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/613675
Method and system for providing video graphics adapter functionality on a simple frame buffer Mar 10, 1996 Issued
Array ( [id] => 4414765 [patent_doc_number] => 06172663 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-09 [patent_title] => 'Driver circuit' [patent_app_type] => 1 [patent_app_number] => 8/613320 [patent_app_country] => US [patent_app_date] => 1996-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 30 [patent_no_of_words] => 9919 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/172/06172663.pdf [firstpage_image] =>[orig_patent_app_number] => 613320 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/613320
Driver circuit Mar 10, 1996 Issued
Array ( [id] => 4033493 [patent_doc_number] => 05883605 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-16 [patent_title] => 'Automatic electrochromic control of light level of vacuum fluorescent display' [patent_app_type] => 1 [patent_app_number] => 8/611332 [patent_app_country] => US [patent_app_date] => 1996-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 6938 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/883/05883605.pdf [firstpage_image] =>[orig_patent_app_number] => 611332 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/611332
Automatic electrochromic control of light level of vacuum fluorescent display Mar 7, 1996 Issued
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