
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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
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[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
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[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
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[patent_words_short_claim] => 172
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[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
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[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
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[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
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[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
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[patent_no_of_words] => 2713
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[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
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[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
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[patent_no_of_words] => 6403
[patent_no_of_claims] => 18
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[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
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[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
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[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
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[patent_no_of_words] => 5212
[patent_no_of_claims] => 90
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[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 |