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] => 4639405 [patent_doc_number] => 08017432 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-09-13 [patent_title] => 'Deposition of amorphous phase change material' [patent_app_type] => utility [patent_app_number] => 12/684185 [patent_app_country] => US [patent_app_date] => 2010-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2131 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/017/08017432.pdf [firstpage_image] =>[orig_patent_app_number] => 12684185 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/684185
Deposition of amorphous phase change material Jan 7, 2010 Issued
Array ( [id] => 6230494 [patent_doc_number] => 20100184269 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-22 [patent_title] => 'METHOD FOR MANUFACTURING SOI SUBSTRATE AND SEMICONDUCTOR DEVICE' [patent_app_type] => utility [patent_app_number] => 12/684269 [patent_app_country] => US [patent_app_date] => 2010-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 21101 [patent_no_of_claims] => 12 [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/A1/0184/20100184269.pdf [firstpage_image] =>[orig_patent_app_number] => 12684269 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/684269
Method for manufacturing SOI substrate and semiconductor device Jan 7, 2010 Issued
Array ( [id] => 7977421 [patent_doc_number] => 08071457 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-12-06 [patent_title] => 'Low capacitance precision resistor' [patent_app_type] => utility [patent_app_number] => 12/683770 [patent_app_country] => US [patent_app_date] => 2010-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 1873 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/071/08071457.pdf [firstpage_image] =>[orig_patent_app_number] => 12683770 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/683770
Low capacitance precision resistor Jan 6, 2010 Issued
Array ( [id] => 6099048 [patent_doc_number] => 20110163455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-07 [patent_title] => 'Tunnel Junction Via' [patent_app_type] => utility [patent_app_number] => 12/683080 [patent_app_country] => US [patent_app_date] => 2010-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2083 [patent_no_of_claims] => 20 [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/A1/0163/20110163455.pdf [firstpage_image] =>[orig_patent_app_number] => 12683080 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/683080
Tunnel junction via Jan 5, 2010 Issued
Array ( [id] => 6633935 [patent_doc_number] => 20100173497 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-08 [patent_title] => 'Method of fabricating semiconductor integrated circuit device' [patent_app_type] => utility [patent_app_number] => 12/655837 [patent_app_country] => US [patent_app_date] => 2010-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6399 [patent_no_of_claims] => 10 [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/A1/0173/20100173497.pdf [firstpage_image] =>[orig_patent_app_number] => 12655837 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/655837
Method of fabricating semiconductor integrated circuit device Jan 5, 2010 Abandoned
Array ( [id] => 6230510 [patent_doc_number] => 20100184284 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-22 [patent_title] => 'Method of Manufacturing Semiconductor Memory Device' [patent_app_type] => utility [patent_app_number] => 12/648842 [patent_app_country] => US [patent_app_date] => 2009-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2865 [patent_no_of_claims] => 23 [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/A1/0184/20100184284.pdf [firstpage_image] =>[orig_patent_app_number] => 12648842 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/648842
Method of Manufacturing Semiconductor Memory Device Dec 28, 2009 Abandoned
Array ( [id] => 6293232 [patent_doc_number] => 20100159696 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-24 [patent_title] => 'MICROLENS MASK OF IMAGE SENSOR AND METHOD FOR FORMING MICROLENS USING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/644702 [patent_app_country] => US [patent_app_date] => 2009-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2492 [patent_no_of_claims] => 11 [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/A1/0159/20100159696.pdf [firstpage_image] =>[orig_patent_app_number] => 12644702 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/644702
MICROLENS MASK OF IMAGE SENSOR AND METHOD FOR FORMING MICROLENS USING THE SAME Dec 21, 2009 Abandoned
Array ( [id] => 7742014 [patent_doc_number] => 08106518 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-01-31 [patent_title] => 'Semiconductor device and method of manufacturing the same' [patent_app_type] => utility [patent_app_number] => 12/640766 [patent_app_country] => US [patent_app_date] => 2009-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 55 [patent_no_of_words] => 14234 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/106/08106518.pdf [firstpage_image] =>[orig_patent_app_number] => 12640766 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/640766
Semiconductor device and method of manufacturing the same Dec 16, 2009 Issued
Array ( [id] => 6419020 [patent_doc_number] => 20100167475 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-01 [patent_title] => 'SEMICONDUCTOR DEVICE AND PRODUCING METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 12/639561 [patent_app_country] => US [patent_app_date] => 2009-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4139 [patent_no_of_claims] => 11 [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/A1/0167/20100167475.pdf [firstpage_image] =>[orig_patent_app_number] => 12639561 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/639561
Semiconductor device and producing method thereof Dec 15, 2009 Issued
Array ( [id] => 6438946 [patent_doc_number] => 20100144146 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-10 [patent_title] => 'METHOD FOR FABRICATING SEMICONDUCTOR DEVICE' [patent_app_type] => utility [patent_app_number] => 12/627572 [patent_app_country] => US [patent_app_date] => 2009-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 10626 [patent_no_of_claims] => 20 [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/A1/0144/20100144146.pdf [firstpage_image] =>[orig_patent_app_number] => 12627572 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/627572
METHOD FOR FABRICATING SEMICONDUCTOR DEVICE Nov 29, 2009 Abandoned
Array ( [id] => 8968499 [patent_doc_number] => 08507310 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-13 [patent_title] => 'Method for manufacturing thin-film photoelectric conversion device' [patent_app_type] => utility [patent_app_number] => 13/129612 [patent_app_country] => US [patent_app_date] => 2009-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 17 [patent_no_of_words] => 11184 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13129612 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/129612
Method for manufacturing thin-film photoelectric conversion device Nov 19, 2009 Issued
Array ( [id] => 6448534 [patent_doc_number] => 20100105170 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-29 [patent_title] => 'Method for manufacturing a semiconductor device having a heat spreader' [patent_app_type] => utility [patent_app_number] => 12/588542 [patent_app_country] => US [patent_app_date] => 2009-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 5742 [patent_no_of_claims] => 18 [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/A1/0105/20100105170.pdf [firstpage_image] =>[orig_patent_app_number] => 12588542 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/588542
Method for manufacturing a semiconductor device having a heat spreader Oct 18, 2009 Abandoned
Array ( [id] => 6255238 [patent_doc_number] => 20100029081 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-04 [patent_title] => 'SINGLE SPACER PROCESS FOR MULTIPLYING PITCH BY A FACTOR GREATER THAN TWO AND RELATED INTERMEDIATE IC STRUCTURES' [patent_app_type] => utility [patent_app_number] => 12/577342 [patent_app_country] => US [patent_app_date] => 2009-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 37 [patent_no_of_words] => 12006 [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/A1/0029/20100029081.pdf [firstpage_image] =>[orig_patent_app_number] => 12577342 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/577342
Single spacer process for multiplying pitch by a factor greater than two and related intermediate IC structures Oct 11, 2009 Issued
Array ( [id] => 6500621 [patent_doc_number] => 20100012858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-01-21 [patent_title] => 'METHODS FOR FORMING DENSE DIELECTRIC LAYER OVER POROUS DIELECTRICS' [patent_app_type] => utility [patent_app_number] => 12/569077 [patent_app_country] => US [patent_app_date] => 2009-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3858 [patent_no_of_claims] => 20 [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/A1/0012/20100012858.pdf [firstpage_image] =>[orig_patent_app_number] => 12569077 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/569077
Methods for forming dense dielectric layer over porous dielectrics Sep 28, 2009 Issued
Array ( [id] => 6375192 [patent_doc_number] => 20100081253 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-01 [patent_title] => 'METHOD FOR MANUFACTURING SEMICONDUCTOR SUBSTRATE' [patent_app_type] => utility [patent_app_number] => 12/564961 [patent_app_country] => US [patent_app_date] => 2009-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 19778 [patent_no_of_claims] => 24 [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/A1/0081/20100081253.pdf [firstpage_image] =>[orig_patent_app_number] => 12564961 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/564961
Method for manufacturing semiconductor substrate Sep 22, 2009 Issued
Array ( [id] => 5461646 [patent_doc_number] => 20090321846 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-31 [patent_title] => 'Method of Forming Fully Silicided NMOS and PMOS Semiconductor Devices Having Independent Polysilicon Gate Thicknesses, and Related Device' [patent_app_type] => utility [patent_app_number] => 12/555027 [patent_app_country] => US [patent_app_date] => 2009-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 9889 [patent_no_of_claims] => 4 [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/A1/0321/20090321846.pdf [firstpage_image] =>[orig_patent_app_number] => 12555027 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/555027
Method of Forming Fully Silicided NMOS and PMOS Semiconductor Devices Having Independent Polysilicon Gate Thicknesses, and Related Device Sep 7, 2009 Abandoned
Array ( [id] => 5971015 [patent_doc_number] => 20110151591 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-23 [patent_title] => 'PHOTOVOLTAIC CELL MANUFACTURING METHOD' [patent_app_type] => utility [patent_app_number] => 13/060573 [patent_app_country] => US [patent_app_date] => 2009-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5747 [patent_no_of_claims] => 3 [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/A1/0151/20110151591.pdf [firstpage_image] =>[orig_patent_app_number] => 13060573 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/060573
PHOTOVOLTAIC CELL MANUFACTURING METHOD Aug 18, 2009 Abandoned
Array ( [id] => 5971182 [patent_doc_number] => 20110151643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-23 [patent_title] => 'METHOD FOR MANUFACTURING BONDED WAFER' [patent_app_type] => utility [patent_app_number] => 13/060558 [patent_app_country] => US [patent_app_date] => 2009-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4008 [patent_no_of_claims] => 9 [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/A1/0151/20110151643.pdf [firstpage_image] =>[orig_patent_app_number] => 13060558 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/060558
METHOD FOR MANUFACTURING BONDED WAFER Aug 3, 2009 Abandoned
Array ( [id] => 5488171 [patent_doc_number] => 20090289242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-11-26 [patent_title] => 'Phase Change Memory With Tapered Heater' [patent_app_type] => utility [patent_app_number] => 12/511602 [patent_app_country] => US [patent_app_date] => 2009-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3685 [patent_no_of_claims] => 10 [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/A1/0289/20090289242.pdf [firstpage_image] =>[orig_patent_app_number] => 12511602 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/511602
Phase change memory with tapered heater Jul 28, 2009 Issued
Array ( [id] => 6508159 [patent_doc_number] => 20100216262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-26 [patent_title] => 'METHOD FOR PRODUCING BONDED WAFER' [patent_app_type] => utility [patent_app_number] => 12/510549 [patent_app_country] => US [patent_app_date] => 2009-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4342 [patent_no_of_claims] => 3 [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/A1/0216/20100216262.pdf [firstpage_image] =>[orig_patent_app_number] => 12510549 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/510549
METHOD FOR PRODUCING BONDED WAFER Jul 27, 2009 Abandoned
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