Search

Leonard Chang

Supervisory Patent Examiner (ID: 4993, Phone: (571)270-3691 , Office: P/4166 )

Most Active Art Unit
2812
Art Unit(s)
2812, 4121, 4100
Total Applications
318
Issued Applications
195
Pending Applications
1
Abandoned Applications
127

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4612993 [patent_doc_number] => 07989346 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-02 [patent_title] => 'Surface treatment of silicon' [patent_app_type] => utility [patent_app_number] => 12/509619 [patent_app_country] => US [patent_app_date] => 2009-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2258 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/989/07989346.pdf [firstpage_image] =>[orig_patent_app_number] => 12509619 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/509619
Surface treatment of silicon Jul 26, 2009 Issued
Array ( [id] => 6295058 [patent_doc_number] => 20100240170 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-23 [patent_title] => 'METHOD OF FABRICATING SOLAR CELL' [patent_app_type] => utility [patent_app_number] => 12/508563 [patent_app_country] => US [patent_app_date] => 2009-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2722 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0240/20100240170.pdf [firstpage_image] =>[orig_patent_app_number] => 12508563 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/508563
METHOD OF FABRICATING SOLAR CELL Jul 23, 2009 Abandoned
Array ( [id] => 7773864 [patent_doc_number] => 08119463 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-02-21 [patent_title] => 'Method of manufacturing thin film transistor and thin film transistor substrate' [patent_app_type] => utility [patent_app_number] => 12/507725 [patent_app_country] => US [patent_app_date] => 2009-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 3286 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/119/08119463.pdf [firstpage_image] =>[orig_patent_app_number] => 12507725 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/507725
Method of manufacturing thin film transistor and thin film transistor substrate Jul 21, 2009 Issued
Array ( [id] => 6220837 [patent_doc_number] => 20100055819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-04 [patent_title] => 'METHOD FOR MANUFACTURING SEMICONDUCTOR LIGHT EMITTING DEVICE' [patent_app_type] => utility [patent_app_number] => 12/507539 [patent_app_country] => US [patent_app_date] => 2009-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5948 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0055/20100055819.pdf [firstpage_image] =>[orig_patent_app_number] => 12507539 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/507539
Method for manufacturing semiconductor light emitting device Jul 21, 2009 Issued
Array ( [id] => 6230513 [patent_doc_number] => 20100184287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-22 [patent_title] => 'Method of Forming Patterns of Semiconductor Device' [patent_app_type] => utility [patent_app_number] => 12/493823 [patent_app_country] => US [patent_app_date] => 2009-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 8215 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0184/20100184287.pdf [firstpage_image] =>[orig_patent_app_number] => 12493823 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/493823
Method of forming patterns of semiconductor device Jun 28, 2009 Issued
Array ( [id] => 4612793 [patent_doc_number] => 07989238 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-02 [patent_title] => 'Group III nitride-based compound semiconductor light-emitting device and production method therefor' [patent_app_type] => utility [patent_app_number] => 12/457431 [patent_app_country] => US [patent_app_date] => 2009-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 30 [patent_no_of_words] => 3890 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/989/07989238.pdf [firstpage_image] =>[orig_patent_app_number] => 12457431 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/457431
Group III nitride-based compound semiconductor light-emitting device and production method therefor Jun 9, 2009 Issued
Array ( [id] => 8527775 [patent_doc_number] => 08304345 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-11-06 [patent_title] => 'Germanium layer polishing' [patent_app_type] => utility [patent_app_number] => 12/933666 [patent_app_country] => US [patent_app_date] => 2009-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5248 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12933666 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/933666
Germanium layer polishing Jun 8, 2009 Issued
Array ( [id] => 32371 [patent_doc_number] => 07790483 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-09-07 [patent_title] => 'Thin film transistor and manufacturing method thereof, and display device and manufacturing method thereof' [patent_app_type] => utility [patent_app_number] => 12/473776 [patent_app_country] => US [patent_app_date] => 2009-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 53 [patent_figures_cnt] => 112 [patent_no_of_words] => 24546 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/790/07790483.pdf [firstpage_image] =>[orig_patent_app_number] => 12473776 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/473776
Thin film transistor and manufacturing method thereof, and display device and manufacturing method thereof May 27, 2009 Issued
Array ( [id] => 6441107 [patent_doc_number] => 20100279479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-04 [patent_title] => 'Formation Of Raised Source/Drain On A Strained Thin Film Implanted With Cold And/Or Molecular Carbon' [patent_app_type] => utility [patent_app_number] => 12/434364 [patent_app_country] => US [patent_app_date] => 2009-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3891 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0279/20100279479.pdf [firstpage_image] =>[orig_patent_app_number] => 12434364 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/434364
Formation Of Raised Source/Drain On A Strained Thin Film Implanted With Cold And/Or Molecular Carbon Apr 30, 2009 Abandoned
Array ( [id] => 7580401 [patent_doc_number] => 20110294284 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-01 [patent_title] => 'METHOD FOR DEPOSITING ULTRA FINE GRAIN POLYSILICON THIN FILM' [patent_app_type] => utility [patent_app_number] => 12/990628 [patent_app_country] => US [patent_app_date] => 2009-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2722 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0294/20110294284.pdf [firstpage_image] =>[orig_patent_app_number] => 12990628 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/990628
METHOD FOR DEPOSITING ULTRA FINE GRAIN POLYSILICON THIN FILM Apr 28, 2009 Abandoned
Array ( [id] => 6304488 [patent_doc_number] => 20100109169 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-06 [patent_title] => 'SEMICONDUCTOR PACKAGE AND METHOD OF MAKING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/431363 [patent_app_country] => US [patent_app_date] => 2009-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 5816 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0109/20100109169.pdf [firstpage_image] =>[orig_patent_app_number] => 12431363 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/431363
SEMICONDUCTOR PACKAGE AND METHOD OF MAKING THE SAME Apr 27, 2009 Abandoned
Array ( [id] => 5477715 [patent_doc_number] => 20090200672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-13 [patent_title] => 'METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE' [patent_app_type] => utility [patent_app_number] => 12/427894 [patent_app_country] => US [patent_app_date] => 2009-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3877 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0200/20090200672.pdf [firstpage_image] =>[orig_patent_app_number] => 12427894 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/427894
METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE Apr 21, 2009 Abandoned
Array ( [id] => 5458318 [patent_doc_number] => 20090258470 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-10-15 [patent_title] => 'Method of Manufacturing a Semiconductor Device Using an Atomic Layer Deposition Process' [patent_app_type] => utility [patent_app_number] => 12/423249 [patent_app_country] => US [patent_app_date] => 2009-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 37 [patent_no_of_words] => 20526 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0258/20090258470.pdf [firstpage_image] =>[orig_patent_app_number] => 12423249 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/423249
Method of Manufacturing a Semiconductor Device Using an Atomic Layer Deposition Process Apr 13, 2009 Abandoned
Array ( [id] => 5313514 [patent_doc_number] => 20090278112 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-11-12 [patent_title] => 'METHODS FOR ETCHING CARBON NANO-TUBE FILMS FOR USE IN NON-VOLATILE MEMORIES' [patent_app_type] => utility [patent_app_number] => 12/421803 [patent_app_country] => US [patent_app_date] => 2009-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7752 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0278/20090278112.pdf [firstpage_image] =>[orig_patent_app_number] => 12421803 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/421803
Methods for etching carbon nano-tube films for use in non-volatile memories Apr 9, 2009 Issued
Array ( [id] => 5490463 [patent_doc_number] => 20090291534 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-11-26 [patent_title] => 'Method for making thin film transistor' [patent_app_type] => utility [patent_app_number] => 12/384241 [patent_app_country] => US [patent_app_date] => 2009-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5795 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0291/20090291534.pdf [firstpage_image] =>[orig_patent_app_number] => 12384241 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/384241
Method for making thin film transistor Apr 1, 2009 Issued
Array ( [id] => 9020347 [patent_doc_number] => 08530332 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-10 [patent_title] => 'Method for manufacturing SOI substrate and semiconductor device' [patent_app_type] => utility [patent_app_number] => 12/410649 [patent_app_country] => US [patent_app_date] => 2009-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 66 [patent_no_of_words] => 19231 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12410649 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/410649
Method for manufacturing SOI substrate and semiconductor device Mar 24, 2009 Issued
Array ( [id] => 9844136 [patent_doc_number] => 08946051 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-02-03 [patent_title] => 'Method for manufacturing SOI substrate and method for manufacturing semiconductor device' [patent_app_type] => utility [patent_app_number] => 12/410669 [patent_app_country] => US [patent_app_date] => 2009-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 55 [patent_no_of_words] => 20190 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12410669 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/410669
Method for manufacturing SOI substrate and method for manufacturing semiconductor device Mar 24, 2009 Issued
Array ( [id] => 5567409 [patent_doc_number] => 20090250787 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-10-08 [patent_title] => 'SEMICONDUCTOR STORAGE DEVICE AND MANUFACTURING METHOD OF THE SAME' [patent_app_type] => utility [patent_app_number] => 12/409105 [patent_app_country] => US [patent_app_date] => 2009-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 10405 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0250/20090250787.pdf [firstpage_image] =>[orig_patent_app_number] => 12409105 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/409105
SEMICONDUCTOR STORAGE DEVICE AND MANUFACTURING METHOD OF THE SAME Mar 22, 2009 Abandoned
Array ( [id] => 5469741 [patent_doc_number] => 20090242907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-10-01 [patent_title] => 'DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 12/408875 [patent_app_country] => US [patent_app_date] => 2009-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 12307 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0242/20090242907.pdf [firstpage_image] =>[orig_patent_app_number] => 12408875 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/408875
Display device and manufacturing method thereof Mar 22, 2009 Issued
Array ( [id] => 4485629 [patent_doc_number] => 07883943 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-02-08 [patent_title] => 'Method for manufacturing thin film transistor and method for manufacturing display device' [patent_app_type] => utility [patent_app_number] => 12/397880 [patent_app_country] => US [patent_app_date] => 2009-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 46 [patent_figures_cnt] => 99 [patent_no_of_words] => 27258 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 17 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/883/07883943.pdf [firstpage_image] =>[orig_patent_app_number] => 12397880 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/397880
Method for manufacturing thin film transistor and method for manufacturing display device Mar 3, 2009 Issued
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