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] => 3751993 [patent_doc_number] => 05801684 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-01 [patent_title] => 'Electronic device with display and display driver and method of operation of a display driver' [patent_app_type] => 1 [patent_app_number] => 8/609755 [patent_app_country] => US [patent_app_date] => 1996-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2935 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/801/05801684.pdf [firstpage_image] =>[orig_patent_app_number] => 609755 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/609755
Electronic device with display and display driver and method of operation of a display driver Feb 28, 1996 Issued
Array ( [id] => 3907170 [patent_doc_number] => 05751267 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-12 [patent_title] => 'Liquid crystal display device' [patent_app_type] => 1 [patent_app_number] => 8/607584 [patent_app_country] => US [patent_app_date] => 1996-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 23 [patent_no_of_words] => 6475 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/751/05751267.pdf [firstpage_image] =>[orig_patent_app_number] => 607584 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/607584
Liquid crystal display device Feb 26, 1996 Issued
Array ( [id] => 3751980 [patent_doc_number] => 05801683 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-01 [patent_title] => 'Image forming and transforming methods and devices for same' [patent_app_type] => 1 [patent_app_number] => 8/605510 [patent_app_country] => US [patent_app_date] => 1996-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2878 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/801/05801683.pdf [firstpage_image] =>[orig_patent_app_number] => 605510 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/605510
Image forming and transforming methods and devices for same Feb 25, 1996 Issued
Array ( [id] => 4190753 [patent_doc_number] => 06020864 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-01 [patent_title] => 'Addressing device for microtip flat display screens' [patent_app_type] => 1 [patent_app_number] => 8/602084 [patent_app_country] => US [patent_app_date] => 1996-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5092 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/020/06020864.pdf [firstpage_image] =>[orig_patent_app_number] => 602084 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/602084
Addressing device for microtip flat display screens Feb 14, 1996 Issued
Array ( [id] => 3992050 [patent_doc_number] => 05910797 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-08 [patent_title] => 'Portable data processing apparatus provided with a screen and a gravitation-controlled sensor for screen orientation' [patent_app_type] => 1 [patent_app_number] => 8/601140 [patent_app_country] => US [patent_app_date] => 1996-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2139 [patent_no_of_claims] => 11 [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/05/910/05910797.pdf [firstpage_image] =>[orig_patent_app_number] => 601140 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/601140
Portable data processing apparatus provided with a screen and a gravitation-controlled sensor for screen orientation Feb 12, 1996 Issued
Array ( [id] => 3751656 [patent_doc_number] => 05801664 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-01 [patent_title] => 'System and method for transmitting data from a computer to a portable information device using RF emissions from a computer monitor' [patent_app_type] => 1 [patent_app_number] => 8/600410 [patent_app_country] => US [patent_app_date] => 1996-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 4262 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/801/05801664.pdf [firstpage_image] =>[orig_patent_app_number] => 600410 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/600410
System and method for transmitting data from a computer to a portable information device using RF emissions from a computer monitor Feb 11, 1996 Issued
Array ( [id] => 3748242 [patent_doc_number] => 05754151 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-19 [patent_title] => 'Circuit for driving a thin film transistor liquid crystal display' [patent_app_type] => 1 [patent_app_number] => 8/600110 [patent_app_country] => US [patent_app_date] => 1996-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2200 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/754/05754151.pdf [firstpage_image] =>[orig_patent_app_number] => 600110 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/600110
Circuit for driving a thin film transistor liquid crystal display Feb 11, 1996 Issued
Array ( [id] => 3993687 [patent_doc_number] => 05959598 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-28 [patent_title] => 'Pixel buffer circuits for implementing improved methods of displaying grey-scale or color images' [patent_app_type] => 1 [patent_app_number] => 8/605999 [patent_app_country] => US [patent_app_date] => 1996-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 28 [patent_no_of_words] => 12874 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/959/05959598.pdf [firstpage_image] =>[orig_patent_app_number] => 605999 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/605999
Pixel buffer circuits for implementing improved methods of displaying grey-scale or color images Feb 8, 1996 Issued
Array ( [id] => 3993745 [patent_doc_number] => 05959602 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-28 [patent_title] => 'Liquid-crystal display with addressing scheme to achieve high contrast and high brightness values while maintaining fast switching' [patent_app_type] => 1 [patent_app_number] => 8/598070 [patent_app_country] => US [patent_app_date] => 1996-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 6565 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/959/05959602.pdf [firstpage_image] =>[orig_patent_app_number] => 598070 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/598070
Liquid-crystal display with addressing scheme to achieve high contrast and high brightness values while maintaining fast switching Feb 6, 1996 Issued
Array ( [id] => 3701707 [patent_doc_number] => 05596346 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-21 [patent_title] => 'Method and apparatus for applying a function to a localized area of a digital image using a window' [patent_app_type] => 1 [patent_app_number] => 8/597687 [patent_app_country] => US [patent_app_date] => 1996-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 4156 [patent_no_of_claims] => 4 [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/05/596/05596346.pdf [firstpage_image] =>[orig_patent_app_number] => 597687 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/597687
Method and apparatus for applying a function to a localized area of a digital image using a window Feb 5, 1996 Issued
Array ( [id] => 3664689 [patent_doc_number] => 05627567 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-06 [patent_title] => 'Method and apparatus for adaptive touch recognition in a touch sensitive user interface' [patent_app_type] => 1 [patent_app_number] => 8/594356 [patent_app_country] => US [patent_app_date] => 1996-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 13056 [patent_no_of_claims] => 12 [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/05/627/05627567.pdf [firstpage_image] =>[orig_patent_app_number] => 594356 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/594356
Method and apparatus for adaptive touch recognition in a touch sensitive user interface Jan 29, 1996 Issued
Array ( [id] => 3883260 [patent_doc_number] => 05764202 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-09 [patent_title] => 'Suppressing image breakup in helmut mounted displays which use temporally separated bit planes to achieve grey scale' [patent_app_type] => 1 [patent_app_number] => 8/593842 [patent_app_country] => US [patent_app_date] => 1996-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1679 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/764/05764202.pdf [firstpage_image] =>[orig_patent_app_number] => 593842 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/593842
Suppressing image breakup in helmut mounted displays which use temporally separated bit planes to achieve grey scale Jan 29, 1996 Issued
Array ( [id] => 4162357 [patent_doc_number] => 06124843 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-26 [patent_title] => 'Head mounting type image display system' [patent_app_type] => 1 [patent_app_number] => 8/591100 [patent_app_country] => US [patent_app_date] => 1996-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 23 [patent_no_of_words] => 13456 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/124/06124843.pdf [firstpage_image] =>[orig_patent_app_number] => 591100 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/591100
Head mounting type image display system Jan 24, 1996 Issued
Array ( [id] => 3825176 [patent_doc_number] => 05790097 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-04 [patent_title] => 'Control device that can be used to designate and move an object on a screen' [patent_app_type] => 1 [patent_app_number] => 8/588610 [patent_app_country] => US [patent_app_date] => 1996-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2114 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/790/05790097.pdf [firstpage_image] =>[orig_patent_app_number] => 588610 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/588610
Control device that can be used to designate and move an object on a screen Jan 18, 1996 Issued
Array ( [id] => 3983361 [patent_doc_number] => 05905476 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-18 [patent_title] => 'ITU/TDD modem' [patent_app_type] => 1 [patent_app_number] => 8/586567 [patent_app_country] => US [patent_app_date] => 1996-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 18344 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/905/05905476.pdf [firstpage_image] =>[orig_patent_app_number] => 586567 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/586567
ITU/TDD modem Jan 15, 1996 Issued
Array ( [id] => 4140731 [patent_doc_number] => 06034660 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-07 [patent_title] => 'Spatial light modulators' [patent_app_type] => 1 [patent_app_number] => 8/585044 [patent_app_country] => US [patent_app_date] => 1996-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 8648 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/034/06034660.pdf [firstpage_image] =>[orig_patent_app_number] => 585044 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/585044
Spatial light modulators Jan 10, 1996 Issued
Array ( [id] => 4030717 [patent_doc_number] => 05926163 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-20 [patent_title] => 'Image input device using tablet' [patent_app_type] => 1 [patent_app_number] => 8/580355 [patent_app_country] => US [patent_app_date] => 1995-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 29 [patent_no_of_words] => 8325 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/926/05926163.pdf [firstpage_image] =>[orig_patent_app_number] => 580355 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/580355
Image input device using tablet Dec 27, 1995 Issued
Array ( [id] => 3596567 [patent_doc_number] => 05585821 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-17 [patent_title] => 'Apparatus and method for screen display' [patent_app_type] => 1 [patent_app_number] => 8/575441 [patent_app_country] => US [patent_app_date] => 1995-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 3472 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/585/05585821.pdf [firstpage_image] =>[orig_patent_app_number] => 575441 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/575441
Apparatus and method for screen display Dec 19, 1995 Issued
08/572367 ELECTRONIC BOOK AND METHOD OF ANNOTATION THEREFOR Dec 13, 1995 Abandoned
08/572456 ELECTRONIC BOOK AND METHOD OF CREATING A PERSONAL LOG OF READING ACTIVITY THEREFOR Dec 13, 1995 Abandoned
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