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] => 1415694 [patent_doc_number] => 06535191 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-18 [patent_title] => 'Liquid crystal display device' [patent_app_type] => B1 [patent_app_number] => 09/524333 [patent_app_country] => US [patent_app_date] => 2000-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 30 [patent_no_of_words] => 11529 [patent_no_of_claims] => 46 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/535/06535191.pdf [firstpage_image] =>[orig_patent_app_number] => 09524333 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/524333
Liquid crystal display device Mar 12, 2000 Issued
Array ( [id] => 1462917 [patent_doc_number] => 06392676 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-21 [patent_title] => 'Method and system for displaying a mouse pointer' [patent_app_type] => B1 [patent_app_number] => 09/522285 [patent_app_country] => US [patent_app_date] => 2000-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6795 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/392/06392676.pdf [firstpage_image] =>[orig_patent_app_number] => 09522285 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/522285
Method and system for displaying a mouse pointer Mar 8, 2000 Issued
Array ( [id] => 1472603 [patent_doc_number] => 06407723 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-18 [patent_title] => 'Image display apparatus' [patent_app_type] => B1 [patent_app_number] => 09/522396 [patent_app_country] => US [patent_app_date] => 2000-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 5353 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/407/06407723.pdf [firstpage_image] =>[orig_patent_app_number] => 09522396 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/522396
Image display apparatus Mar 8, 2000 Issued
09/518634 Multifunctional keypad Mar 2, 2000 Abandoned
Array ( [id] => 1453373 [patent_doc_number] => 06456270 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-24 [patent_title] => 'Integrated circuit device and liquid crystal display apparatus using the same' [patent_app_type] => B1 [patent_app_number] => 09/512826 [patent_app_country] => US [patent_app_date] => 2000-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 26 [patent_no_of_words] => 9477 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/456/06456270.pdf [firstpage_image] =>[orig_patent_app_number] => 09512826 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/512826
Integrated circuit device and liquid crystal display apparatus using the same Feb 24, 2000 Issued
Array ( [id] => 1437235 [patent_doc_number] => 06356261 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-12 [patent_title] => 'Method for addressing plasma display panel' [patent_app_type] => B1 [patent_app_number] => 09/511154 [patent_app_country] => US [patent_app_date] => 2000-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3639 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/356/06356261.pdf [firstpage_image] =>[orig_patent_app_number] => 09511154 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/511154
Method for addressing plasma display panel Feb 22, 2000 Issued
Array ( [id] => 1424375 [patent_doc_number] => 06509891 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-01-21 [patent_title] => 'Ergonomic mouse device' [patent_app_type] => B1 [patent_app_number] => 09/510725 [patent_app_country] => US [patent_app_date] => 2000-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 7021 [patent_no_of_claims] => 33 [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/06/509/06509891.pdf [firstpage_image] =>[orig_patent_app_number] => 09510725 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/510725
Ergonomic mouse device Feb 21, 2000 Issued
Array ( [id] => 1571990 [patent_doc_number] => 06498596 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-24 [patent_title] => 'Driving circuit for display device and liquid crystal display device' [patent_app_type] => B1 [patent_app_number] => 09/506686 [patent_app_country] => US [patent_app_date] => 2000-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 51 [patent_figures_cnt] => 56 [patent_no_of_words] => 24956 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/498/06498596.pdf [firstpage_image] =>[orig_patent_app_number] => 09506686 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/506686
Driving circuit for display device and liquid crystal display device Feb 17, 2000 Issued
Array ( [id] => 1389717 [patent_doc_number] => 06559813 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-05-06 [patent_title] => 'Selective real image obstruction in a virtual reality display apparatus and method' [patent_app_type] => B1 [patent_app_number] => 09/494976 [patent_app_country] => US [patent_app_date] => 2000-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 7812 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/559/06559813.pdf [firstpage_image] =>[orig_patent_app_number] => 09494976 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/494976
Selective real image obstruction in a virtual reality display apparatus and method Jan 30, 2000 Issued
Array ( [id] => 1453463 [patent_doc_number] => 06456301 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-24 [patent_title] => 'Temporal light modulation technique and apparatus' [patent_app_type] => B1 [patent_app_number] => 09/493383 [patent_app_country] => US [patent_app_date] => 2000-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 19 [patent_no_of_words] => 3430 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/456/06456301.pdf [firstpage_image] =>[orig_patent_app_number] => 09493383 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/493383
Temporal light modulation technique and apparatus Jan 27, 2000 Issued
Array ( [id] => 1421397 [patent_doc_number] => 06529213 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-04 [patent_title] => 'Display device' [patent_app_type] => B1 [patent_app_number] => 09/492293 [patent_app_country] => US [patent_app_date] => 2000-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 20 [patent_no_of_words] => 2691 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/529/06529213.pdf [firstpage_image] =>[orig_patent_app_number] => 09492293 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/492293
Display device Jan 26, 2000 Issued
09/489483 System for driving a liquid crystal display with power saving features Jan 20, 2000 Abandoned
Array ( [id] => 1064419 [patent_doc_number] => 06850251 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-02-01 [patent_title] => 'Control circuit and control method for display device' [patent_app_type] => utility [patent_app_number] => 09/489383 [patent_app_country] => US [patent_app_date] => 2000-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5571 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/850/06850251.pdf [firstpage_image] =>[orig_patent_app_number] => 09489383 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/489383
Control circuit and control method for display device Jan 20, 2000 Issued
Array ( [id] => 1537544 [patent_doc_number] => 06489943 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-03 [patent_title] => 'Data driver for use in liquid crystal display' [patent_app_type] => B1 [patent_app_number] => 09/487663 [patent_app_country] => US [patent_app_date] => 2000-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 2713 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/489/06489943.pdf [firstpage_image] =>[orig_patent_app_number] => 09487663 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/487663
Data driver for use in liquid crystal display Jan 18, 2000 Issued
Array ( [id] => 1368656 [patent_doc_number] => 06573878 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-06-03 [patent_title] => 'Method of driving AC-discharge plasma display panel' [patent_app_type] => B1 [patent_app_number] => 09/481203 [patent_app_country] => US [patent_app_date] => 2000-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 98 [patent_no_of_words] => 19203 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/573/06573878.pdf [firstpage_image] =>[orig_patent_app_number] => 09481203 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/481203
Method of driving AC-discharge plasma display panel Jan 10, 2000 Issued
09/471855 Roller key user interface Dec 22, 1999 Abandoned
Array ( [id] => 1347106 [patent_doc_number] => 06590549 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-08 [patent_title] => 'Analog pulse width modulation of video data' [patent_app_type] => B1 [patent_app_number] => 09/468980 [patent_app_country] => US [patent_app_date] => 1999-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 16 [patent_no_of_words] => 6403 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/590/06590549.pdf [firstpage_image] =>[orig_patent_app_number] => 09468980 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/468980
Analog pulse width modulation of video data Dec 20, 1999 Issued
Array ( [id] => 1283254 [patent_doc_number] => 06646630 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-11-11 [patent_title] => 'Hand-held electrically controlled desktop structure' [patent_app_type] => B1 [patent_app_number] => 09/455943 [patent_app_country] => US [patent_app_date] => 1999-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 39 [patent_figures_cnt] => 53 [patent_no_of_words] => 4040 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/646/06646630.pdf [firstpage_image] =>[orig_patent_app_number] => 09455943 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/455943
Hand-held electrically controlled desktop structure Dec 6, 1999 Issued
Array ( [id] => 4414715 [patent_doc_number] => 06172658 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-09 [patent_title] => 'Bubble imaging technology' [patent_app_type] => 1 [patent_app_number] => 9/437824 [patent_app_country] => US [patent_app_date] => 1999-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 5063 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/172/06172658.pdf [firstpage_image] =>[orig_patent_app_number] => 437824 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/437824
Bubble imaging technology Nov 9, 1999 Issued
Array ( [id] => 4380604 [patent_doc_number] => 06288704 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-11 [patent_title] => 'Motion detection and tracking system to control navigation and display of object viewers' [patent_app_type] => 1 [patent_app_number] => 9/441001 [patent_app_country] => US [patent_app_date] => 1999-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 5212 [patent_no_of_claims] => 90 [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/06/288/06288704.pdf [firstpage_image] =>[orig_patent_app_number] => 441001 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/441001
Motion detection and tracking system to control navigation and display of object viewers Nov 8, 1999 Issued
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