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
Array ( [id] => 7643206 [patent_doc_number] => 06429837 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-06 [patent_title] => 'Method of driving a luminescent display' [patent_app_type] => B1 [patent_app_number] => 09/289656 [patent_app_country] => US [patent_app_date] => 1999-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3539 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/429/06429837.pdf [firstpage_image] =>[orig_patent_app_number] => 09289656 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/289656
Method of driving a luminescent display Apr 11, 1999 Issued
Array ( [id] => 1425621 [patent_doc_number] => 06518949 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-02-11 [patent_title] => 'Electronic displays using organic-based field effect transistors' [patent_app_type] => B2 [patent_app_number] => 09/289036 [patent_app_country] => US [patent_app_date] => 1999-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 16 [patent_no_of_words] => 6519 [patent_no_of_claims] => 55 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/518/06518949.pdf [firstpage_image] =>[orig_patent_app_number] => 09289036 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/289036
Electronic displays using organic-based field effect transistors Apr 8, 1999 Issued
Array ( [id] => 1564252 [patent_doc_number] => 06362815 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-26 [patent_title] => 'Touch sensor display' [patent_app_type] => B1 [patent_app_number] => 09/288404 [patent_app_country] => US [patent_app_date] => 1999-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 1582 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/362/06362815.pdf [firstpage_image] =>[orig_patent_app_number] => 09288404 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/288404
Touch sensor display Apr 7, 1999 Issued
Array ( [id] => 1554277 [patent_doc_number] => 06400341 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-04 [patent_title] => 'Head-mounted picture display device' [patent_app_type] => B1 [patent_app_number] => 09/288354 [patent_app_country] => US [patent_app_date] => 1999-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 4568 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/400/06400341.pdf [firstpage_image] =>[orig_patent_app_number] => 09288354 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/288354
Head-mounted picture display device Apr 7, 1999 Issued
Array ( [id] => 1294584 [patent_doc_number] => 06630920 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-10-07 [patent_title] => 'Pel drive circuit, combination pel-drive-circuit/pel-integrated device, and liquid crystal display device' [patent_app_type] => B1 [patent_app_number] => 09/285784 [patent_app_country] => US [patent_app_date] => 1999-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 66 [patent_no_of_words] => 9829 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/630/06630920.pdf [firstpage_image] =>[orig_patent_app_number] => 09285784 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/285784
Pel drive circuit, combination pel-drive-circuit/pel-integrated device, and liquid crystal display device Apr 4, 1999 Issued
Array ( [id] => 1064409 [patent_doc_number] => 06850249 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-02-01 [patent_title] => 'Automatic region of interest tracking for a color correction system' [patent_app_type] => utility [patent_app_number] => 09/282913 [patent_app_country] => US [patent_app_date] => 1999-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 24 [patent_no_of_words] => 13805 [patent_no_of_claims] => 77 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/850/06850249.pdf [firstpage_image] =>[orig_patent_app_number] => 09282913 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/282913
Automatic region of interest tracking for a color correction system Mar 30, 1999 Issued
Array ( [id] => 1415806 [patent_doc_number] => 06535198 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-18 [patent_title] => 'Remote control for interactive television' [patent_app_type] => B1 [patent_app_number] => 09/280015 [patent_app_country] => US [patent_app_date] => 1999-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2314 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/535/06535198.pdf [firstpage_image] =>[orig_patent_app_number] => 09280015 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/280015
Remote control for interactive television Mar 27, 1999 Issued
Array ( [id] => 4323679 [patent_doc_number] => 06243057 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-05 [patent_title] => 'Deformable mirror device driving circuit and method' [patent_app_type] => 1 [patent_app_number] => 9/264129 [patent_app_country] => US [patent_app_date] => 1999-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 4144 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 381 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/243/06243057.pdf [firstpage_image] =>[orig_patent_app_number] => 264129 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/264129
Deformable mirror device driving circuit and method Mar 4, 1999 Issued
Array ( [id] => 1477357 [patent_doc_number] => 06388653 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-14 [patent_title] => 'Liquid crystal display device with influences of offset voltages reduced' [patent_app_type] => B1 [patent_app_number] => 09/260076 [patent_app_country] => US [patent_app_date] => 1999-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 49 [patent_figures_cnt] => 65 [patent_no_of_words] => 22235 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/388/06388653.pdf [firstpage_image] =>[orig_patent_app_number] => 09260076 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/260076
Liquid crystal display device with influences of offset voltages reduced Mar 1, 1999 Issued
Array ( [id] => 4389701 [patent_doc_number] => 06304247 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-16 [patent_title] => 'Piezoelectric stick pointing device' [patent_app_type] => 1 [patent_app_number] => 9/260345 [patent_app_country] => US [patent_app_date] => 1999-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2069 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/304/06304247.pdf [firstpage_image] =>[orig_patent_app_number] => 260345 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/260345
Piezoelectric stick pointing device Mar 1, 1999 Issued
Array ( [id] => 551151 [patent_doc_number] => 07167156 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-01-23 [patent_title] => 'Electrowetting display' [patent_app_type] => utility [patent_app_number] => 09/258743 [patent_app_country] => US [patent_app_date] => 1999-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2694 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/167/07167156.pdf [firstpage_image] =>[orig_patent_app_number] => 09258743 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/258743
Electrowetting display Feb 25, 1999 Issued
Array ( [id] => 4355161 [patent_doc_number] => 06285349 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-04 [patent_title] => 'Correcting non-uniformity in displays' [patent_app_type] => 1 [patent_app_number] => 9/259396 [patent_app_country] => US [patent_app_date] => 1999-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4955 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/285/06285349.pdf [firstpage_image] =>[orig_patent_app_number] => 259396 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/259396
Correcting non-uniformity in displays Feb 25, 1999 Issued
Array ( [id] => 1462914 [patent_doc_number] => 06392675 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-21 [patent_title] => 'Variable speed cursor movement' [patent_app_type] => B1 [patent_app_number] => 09/256195 [patent_app_country] => US [patent_app_date] => 1999-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3875 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/392/06392675.pdf [firstpage_image] =>[orig_patent_app_number] => 09256195 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/256195
Variable speed cursor movement Feb 23, 1999 Issued
Array ( [id] => 7632388 [patent_doc_number] => 06664947 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-12-16 [patent_title] => 'Safe and handy pointing device' [patent_app_type] => B1 [patent_app_number] => 09/257544 [patent_app_country] => US [patent_app_date] => 1999-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 35 [patent_no_of_words] => 7987 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/664/06664947.pdf [firstpage_image] =>[orig_patent_app_number] => 09257544 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/257544
Safe and handy pointing device Feb 23, 1999 Issued
Array ( [id] => 1355316 [patent_doc_number] => 06580404 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-06-17 [patent_title] => 'Dot matrix display' [patent_app_type] => B1 [patent_app_number] => 09/251423 [patent_app_country] => US [patent_app_date] => 1999-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3085 [patent_no_of_claims] => 1 [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/06/580/06580404.pdf [firstpage_image] =>[orig_patent_app_number] => 09251423 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/251423
Dot matrix display Feb 16, 1999 Issued
Array ( [id] => 4364632 [patent_doc_number] => 06201522 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-13 [patent_title] => 'Power-saving circuit and method for driving liquid crystal display' [patent_app_type] => 1 [patent_app_number] => 9/218255 [patent_app_country] => US [patent_app_date] => 1998-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 10855 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/201/06201522.pdf [firstpage_image] =>[orig_patent_app_number] => 218255 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/218255
Power-saving circuit and method for driving liquid crystal display Dec 20, 1998 Issued
Array ( [id] => 4425751 [patent_doc_number] => 06225991 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-01 [patent_title] => 'Pixel buffer circuits for implementing improved methods of displaying grey-scale or color images' [patent_app_type] => 1 [patent_app_number] => 9/209241 [patent_app_country] => US [patent_app_date] => 1998-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 28 [patent_no_of_words] => 12853 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/225/06225991.pdf [firstpage_image] =>[orig_patent_app_number] => 209241 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/209241
Pixel buffer circuits for implementing improved methods of displaying grey-scale or color images Dec 9, 1998 Issued
Array ( [id] => 4424907 [patent_doc_number] => 06177925 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-23 [patent_title] => 'Customized overlay template for alarm control panel keypad' [patent_app_type] => 1 [patent_app_number] => 9/196485 [patent_app_country] => US [patent_app_date] => 1998-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2029 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/177/06177925.pdf [firstpage_image] =>[orig_patent_app_number] => 196485 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/196485
Customized overlay template for alarm control panel keypad Nov 18, 1998 Issued
Array ( [id] => 4404688 [patent_doc_number] => 06297792 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-02 [patent_title] => 'Apparatus for driving liquid crystal display panel, liquid crystal display apparatus, electronic apparatus, and method of driving liquid crystal display panel' [patent_app_type] => 1 [patent_app_number] => 9/182305 [patent_app_country] => US [patent_app_date] => 1998-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 30 [patent_no_of_words] => 11811 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/297/06297792.pdf [firstpage_image] =>[orig_patent_app_number] => 182305 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/182305
Apparatus for driving liquid crystal display panel, liquid crystal display apparatus, electronic apparatus, and method of driving liquid crystal display panel Oct 29, 1998 Issued
Array ( [id] => 1497651 [patent_doc_number] => RE037878 [patent_country] => US [patent_kind] => E1 [patent_issue_date] => 2002-10-15 [patent_title] => 'Pointing device with differential optomechanical sensing' [patent_app_type] => E1 [patent_app_number] => 09/174811 [patent_app_country] => US [patent_app_date] => 1998-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 4127 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/037/RE037878.pdf [firstpage_image] =>[orig_patent_app_number] => 09174811 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/174811
Pointing device with differential optomechanical sensing Oct 18, 1998 Issued
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