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] => 4314318 [patent_doc_number] => 06326956 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-04 [patent_title] => 'Circuit control devices utilizing electronic display screen light' [patent_app_type] => 1 [patent_app_number] => 9/139078 [patent_app_country] => US [patent_app_date] => 1998-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 42 [patent_no_of_words] => 10465 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/326/06326956.pdf [firstpage_image] =>[orig_patent_app_number] => 139078 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/139078
Circuit control devices utilizing electronic display screen light Aug 23, 1998 Issued
Array ( [id] => 1204116 [patent_doc_number] => 06720949 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-04-13 [patent_title] => 'Man machine interfaces and applications' [patent_app_type] => B1 [patent_app_number] => 09/138285 [patent_app_country] => US [patent_app_date] => 1998-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 37 [patent_no_of_words] => 36287 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/720/06720949.pdf [firstpage_image] =>[orig_patent_app_number] => 09138285 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/138285
Man machine interfaces and applications Aug 20, 1998 Issued
Array ( [id] => 1589136 [patent_doc_number] => 06359604 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-19 [patent_title] => 'Matrix addressable display having pulse number modulation' [patent_app_type] => B1 [patent_app_number] => 09/137769 [patent_app_country] => US [patent_app_date] => 1998-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4216 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/359/06359604.pdf [firstpage_image] =>[orig_patent_app_number] => 09137769 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/137769
Matrix addressable display having pulse number modulation Aug 19, 1998 Issued
Array ( [id] => 4242929 [patent_doc_number] => 06118413 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-12 [patent_title] => 'Dual displays having independent resolutions and refresh rates' [patent_app_type] => 1 [patent_app_number] => 9/136791 [patent_app_country] => US [patent_app_date] => 1998-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 7640 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/118/06118413.pdf [firstpage_image] =>[orig_patent_app_number] => 136791 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/136791
Dual displays having independent resolutions and refresh rates Aug 18, 1998 Issued
Array ( [id] => 4369185 [patent_doc_number] => 06191769 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-20 [patent_title] => 'Liquid crystal display device' [patent_app_type] => 1 [patent_app_number] => 9/135858 [patent_app_country] => US [patent_app_date] => 1998-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 5066 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/191/06191769.pdf [firstpage_image] =>[orig_patent_app_number] => 135858 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/135858
Liquid crystal display device Aug 17, 1998 Issued
Array ( [id] => 7632382 [patent_doc_number] => 06664953 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-16 [patent_title] => 'Method and receptacle for receiving and releasing a pen' [patent_app_type] => B2 [patent_app_number] => 09/130026 [patent_app_country] => US [patent_app_date] => 1998-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 4471 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/664/06664953.pdf [firstpage_image] =>[orig_patent_app_number] => 09130026 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/130026
Method and receptacle for receiving and releasing a pen Aug 5, 1998 Issued
Array ( [id] => 4369061 [patent_doc_number] => 06191763 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-20 [patent_title] => 'Process for controlling a display panel and display device using this process' [patent_app_type] => 1 [patent_app_number] => 9/117181 [patent_app_country] => US [patent_app_date] => 1998-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 4423 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/191/06191763.pdf [firstpage_image] =>[orig_patent_app_number] => 117181 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/117181
Process for controlling a display panel and display device using this process Jul 28, 1998 Issued
Array ( [id] => 4390930 [patent_doc_number] => 06295054 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-25 [patent_title] => 'Pixel buffer circuits for implementing improved methods of displaying grey-scale or color images' [patent_app_type] => 1 [patent_app_number] => 9/119975 [patent_app_country] => US [patent_app_date] => 1998-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 28 [patent_no_of_words] => 12862 [patent_no_of_claims] => 73 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/295/06295054.pdf [firstpage_image] =>[orig_patent_app_number] => 119975 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/119975
Pixel buffer circuits for implementing improved methods of displaying grey-scale or color images Jul 20, 1998 Issued
Array ( [id] => 1482120 [patent_doc_number] => 06452589 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-17 [patent_title] => 'Pixel buffer circuits for implementing improved methods of displaying grey-scale or color images' [patent_app_type] => B1 [patent_app_number] => 09/119976 [patent_app_country] => US [patent_app_date] => 1998-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 28 [patent_no_of_words] => 12954 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/452/06452589.pdf [firstpage_image] =>[orig_patent_app_number] => 09119976 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/119976
Pixel buffer circuits for implementing improved methods of displaying grey-scale or color images Jul 20, 1998 Issued
Array ( [id] => 4414399 [patent_doc_number] => 06232953 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-15 [patent_title] => 'Method and apparatus for removing artifacts from scanned halftone images' [patent_app_type] => 1 [patent_app_number] => 9/119190 [patent_app_country] => US [patent_app_date] => 1998-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 8143 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/232/06232953.pdf [firstpage_image] =>[orig_patent_app_number] => 119190 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/119190
Method and apparatus for removing artifacts from scanned halftone images Jul 19, 1998 Issued
Array ( [id] => 4369231 [patent_doc_number] => 06191772 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-20 [patent_title] => 'Resolution enhancement for video display using multi-line interpolation' [patent_app_type] => 1 [patent_app_number] => 9/110117 [patent_app_country] => US [patent_app_date] => 1998-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 25 [patent_no_of_words] => 22924 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/191/06191772.pdf [firstpage_image] =>[orig_patent_app_number] => 110117 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/110117
Resolution enhancement for video display using multi-line interpolation Jul 1, 1998 Issued
Array ( [id] => 4323885 [patent_doc_number] => 06243068 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-05 [patent_title] => 'Liquid crystal flat panel display with enhanced backlight brightness and specially selected light sources' [patent_app_type] => 1 [patent_app_number] => 9/087280 [patent_app_country] => US [patent_app_date] => 1998-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 36 [patent_no_of_words] => 14436 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/243/06243068.pdf [firstpage_image] =>[orig_patent_app_number] => 087280 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/087280
Liquid crystal flat panel display with enhanced backlight brightness and specially selected light sources May 28, 1998 Issued
Array ( [id] => 4414327 [patent_doc_number] => 06232948 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-15 [patent_title] => 'Liquid crystal display driving circuit with low power consumption and precise voltage output' [patent_app_type] => 1 [patent_app_number] => 9/066550 [patent_app_country] => US [patent_app_date] => 1998-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 8794 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/232/06232948.pdf [firstpage_image] =>[orig_patent_app_number] => 066550 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/066550
Liquid crystal display driving circuit with low power consumption and precise voltage output Apr 26, 1998 Issued
09/000482 HEATER SYSTEM FOR A FLAT PANEL SUCH AS A LIQUID CRYSTAL DISPLAY Apr 8, 1998 Abandoned
Array ( [id] => 4417383 [patent_doc_number] => 06266043 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-24 [patent_title] => 'Apparatus and method for automatically positioning a cursor on a control' [patent_app_type] => 1 [patent_app_number] => 9/052272 [patent_app_country] => US [patent_app_date] => 1998-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 6757 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/266/06266043.pdf [firstpage_image] =>[orig_patent_app_number] => 052272 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/052272
Apparatus and method for automatically positioning a cursor on a control Mar 29, 1998 Issued
Array ( [id] => 4261092 [patent_doc_number] => 06322449 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-27 [patent_title] => 'Mechanical interface device' [patent_app_type] => 1 [patent_app_number] => 9/018691 [patent_app_country] => US [patent_app_date] => 1998-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 23 [patent_no_of_words] => 9012 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/322/06322449.pdf [firstpage_image] =>[orig_patent_app_number] => 018691 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/018691
Mechanical interface device Feb 3, 1998 Issued
Array ( [id] => 4166102 [patent_doc_number] => 06104377 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-15 [patent_title] => 'Method and system for displaying an image at a desired level of opacity' [patent_app_type] => 1 [patent_app_number] => 9/016875 [patent_app_country] => US [patent_app_date] => 1998-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 26 [patent_no_of_words] => 10341 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/104/06104377.pdf [firstpage_image] =>[orig_patent_app_number] => 016875 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/016875
Method and system for displaying an image at a desired level of opacity Jan 29, 1998 Issued
Array ( [id] => 3770335 [patent_doc_number] => 05844540 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-01 [patent_title] => 'Liquid crystal display with back-light control function' [patent_app_type] => 1 [patent_app_number] => 8/998829 [patent_app_country] => US [patent_app_date] => 1997-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 57 [patent_no_of_words] => 18013 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/844/05844540.pdf [firstpage_image] =>[orig_patent_app_number] => 998829 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/998829
Liquid crystal display with back-light control function Dec 28, 1997 Issued
Array ( [id] => 4243091 [patent_doc_number] => 06118424 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-12 [patent_title] => 'Method of driving antiferroelectric liquid crystal display' [patent_app_type] => 1 [patent_app_number] => 8/992671 [patent_app_country] => US [patent_app_date] => 1997-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2232 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/118/06118424.pdf [firstpage_image] =>[orig_patent_app_number] => 992671 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/992671
Method of driving antiferroelectric liquid crystal display Dec 16, 1997 Issued
Array ( [id] => 4227585 [patent_doc_number] => 06040807 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-21 [patent_title] => 'Three-dimensional display' [patent_app_type] => 1 [patent_app_number] => 8/987140 [patent_app_country] => US [patent_app_date] => 1997-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 34 [patent_no_of_words] => 15795 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/040/06040807.pdf [firstpage_image] =>[orig_patent_app_number] => 987140 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/987140
Three-dimensional display Dec 7, 1997 Issued
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