Search

Leonard Chang

Supervisory Patent Examiner (ID: 254, Phone: (571)270-3691 , Office: P/4166 )

Most Active Art Unit
2812
Art Unit(s)
2898, 4121, 2812, 4100
Total Applications
320
Issued Applications
197
Pending Applications
1
Abandoned Applications
127

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 656785 [patent_doc_number] => 07110035 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-09-19 [patent_title] => 'Device and a method for an infrared image analyzing autofocus' [patent_app_type] => utility [patent_app_number] => 09/576266 [patent_app_country] => US [patent_app_date] => 2000-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 5986 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/110/07110035.pdf [firstpage_image] =>[orig_patent_app_number] => 09576266 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/576266
Device and a method for an infrared image analyzing autofocus May 23, 2000 Issued
Array ( [id] => 931724 [patent_doc_number] => 06980231 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-12-27 [patent_title] => 'Color reproduction system' [patent_app_type] => utility [patent_app_number] => 09/577445 [patent_app_country] => US [patent_app_date] => 2000-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 7055 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/980/06980231.pdf [firstpage_image] =>[orig_patent_app_number] => 09577445 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/577445
Color reproduction system May 23, 2000 Issued
Array ( [id] => 947072 [patent_doc_number] => 06965406 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-11-15 [patent_title] => 'Image processor and image processing method' [patent_app_type] => utility [patent_app_number] => 09/548684 [patent_app_country] => US [patent_app_date] => 2000-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 26 [patent_no_of_words] => 6519 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/965/06965406.pdf [firstpage_image] =>[orig_patent_app_number] => 09548684 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/548684
Image processor and image processing method Apr 12, 2000 Issued
Array ( [id] => 665083 [patent_doc_number] => 07102681 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-09-05 [patent_title] => 'Focus detecting apparatus' [patent_app_type] => utility [patent_app_number] => 09/541614 [patent_app_country] => US [patent_app_date] => 2000-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 10777 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/102/07102681.pdf [firstpage_image] =>[orig_patent_app_number] => 09541614 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/541614
Focus detecting apparatus Apr 2, 2000 Issued
Array ( [id] => 701220 [patent_doc_number] => 07068317 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-06-27 [patent_title] => 'Photoelectric conversion apparatus' [patent_app_type] => utility [patent_app_number] => 09/512032 [patent_app_country] => US [patent_app_date] => 2000-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 4842 [patent_no_of_claims] => 4 [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/07/068/07068317.pdf [firstpage_image] =>[orig_patent_app_number] => 09512032 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/512032
Photoelectric conversion apparatus Feb 23, 2000 Issued
Array ( [id] => 1204211 [patent_doc_number] => 06721000 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-04-13 [patent_title] => 'Adaptive pixel-level color enhancement for a digital camera' [patent_app_type] => B1 [patent_app_number] => 09/511012 [patent_app_country] => US [patent_app_date] => 2000-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 5837 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/721/06721000.pdf [firstpage_image] =>[orig_patent_app_number] => 09511012 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/511012
Adaptive pixel-level color enhancement for a digital camera Feb 22, 2000 Issued
Array ( [id] => 7606772 [patent_doc_number] => 07098945 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-08-29 [patent_title] => 'Electronic camera apparatus' [patent_app_type] => utility [patent_app_number] => 09/511408 [patent_app_country] => US [patent_app_date] => 2000-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 37 [patent_no_of_words] => 7256 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/098/07098945.pdf [firstpage_image] =>[orig_patent_app_number] => 09511408 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/511408
Electronic camera apparatus Feb 22, 2000 Issued
Array ( [id] => 681977 [patent_doc_number] => 07084905 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-08-01 [patent_title] => 'Method and apparatus for obtaining high dynamic range images' [patent_app_type] => utility [patent_app_number] => 09/511469 [patent_app_country] => US [patent_app_date] => 2000-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 47 [patent_figures_cnt] => 61 [patent_no_of_words] => 24175 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 487 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/084/07084905.pdf [firstpage_image] =>[orig_patent_app_number] => 09511469 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/511469
Method and apparatus for obtaining high dynamic range images Feb 22, 2000 Issued
Array ( [id] => 665089 [patent_doc_number] => 07102684 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-09-05 [patent_title] => 'Video camera with low battery warning' [patent_app_type] => utility [patent_app_number] => 09/510856 [patent_app_country] => US [patent_app_date] => 2000-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2728 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/102/07102684.pdf [firstpage_image] =>[orig_patent_app_number] => 09510856 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/510856
Video camera with low battery warning Feb 22, 2000 Issued
Array ( [id] => 1129927 [patent_doc_number] => 06791608 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-09-14 [patent_title] => 'Digital camera and dirt position detecting method for digital camera' [patent_app_type] => B1 [patent_app_number] => 09/507980 [patent_app_country] => US [patent_app_date] => 2000-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3708 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/791/06791608.pdf [firstpage_image] =>[orig_patent_app_number] => 09507980 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/507980
Digital camera and dirt position detecting method for digital camera Feb 21, 2000 Issued
Array ( [id] => 1000424 [patent_doc_number] => 06912003 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-06-28 [patent_title] => 'Methods of and circuit array for compensating variations induced by temperature strain and manufacture in CMOS video sensors' [patent_app_type] => utility [patent_app_number] => 09/402109 [patent_app_country] => US [patent_app_date] => 1997-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2588 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/912/06912003.pdf [firstpage_image] =>[orig_patent_app_number] => 09402109 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/402109
Methods of and circuit array for compensating variations induced by temperature strain and manufacture in CMOS video sensors Oct 29, 1997 Issued
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