Search

Leonard Chang

Supervisory Patent Examiner (ID: 7771, Phone: (571)270-3691 , Office: P/4166 )

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

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 8049587 [patent_doc_number] => 20120074525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-29 [patent_title] => 'MISCUT SEMIPOLAR OPTOELECTRONIC DEVICE' [patent_app_type] => utility [patent_app_number] => 13/311986 [patent_app_country] => US [patent_app_date] => 2011-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7858 [patent_no_of_claims] => 40 [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/A1/0074/20120074525.pdf [firstpage_image] =>[orig_patent_app_number] => 13311986 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/311986
Miscut semipolar optoelectronic device Dec 5, 2011 Issued
Array ( [id] => 8240431 [patent_doc_number] => 20120149166 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-14 [patent_title] => 'METHOD OF FORMING TITANIUM NITRADE (TiN) FILM, NONVOLATILE MEMORY DEVICE USING THE TiN FILM, AND METHOD OF MANUFACTURING THE NONVOLATILE MEMORY DEVICE' [patent_app_type] => utility [patent_app_number] => 13/301047 [patent_app_country] => US [patent_app_date] => 2011-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4852 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13301047 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/301047
METHOD OF FORMING TITANIUM NITRADE (TiN) FILM, NONVOLATILE MEMORY DEVICE USING THE TiN FILM, AND METHOD OF MANUFACTURING THE NONVOLATILE MEMORY DEVICE Nov 20, 2011 Abandoned
Array ( [id] => 10857422 [patent_doc_number] => 08883619 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-11 [patent_title] => 'Method for manufacturing semiconductor device' [patent_app_type] => utility [patent_app_number] => 13/298861 [patent_app_country] => US [patent_app_date] => 2011-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 5646 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13298861 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/298861
Method for manufacturing semiconductor device Nov 16, 2011 Issued
Array ( [id] => 9344867 [patent_doc_number] => 08664014 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-04 [patent_title] => 'High productivity combinatorial workflow for photoresist strip applications' [patent_app_type] => utility [patent_app_number] => 13/298524 [patent_app_country] => US [patent_app_date] => 2011-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 32 [patent_no_of_words] => 10396 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13298524 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/298524
High productivity combinatorial workflow for photoresist strip applications Nov 16, 2011 Issued
Array ( [id] => 7773155 [patent_doc_number] => 20120038026 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-16 [patent_title] => 'LOW CAPACITANCE PRECISION RESISTOR' [patent_app_type] => utility [patent_app_number] => 13/282224 [patent_app_country] => US [patent_app_date] => 2011-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1908 [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/A1/0038/20120038026.pdf [firstpage_image] =>[orig_patent_app_number] => 13282224 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/282224
Low capacitance precision resistor Oct 25, 2011 Issued
Array ( [id] => 8055215 [patent_doc_number] => 20120077330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-29 [patent_title] => 'METHOD FOR MANUFACTURING SOI SUBSTRATE AND SEMICONDUCTOR DEVICE' [patent_app_type] => utility [patent_app_number] => 13/271646 [patent_app_country] => US [patent_app_date] => 2011-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 21095 [patent_no_of_claims] => 18 [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/A1/0077/20120077330.pdf [firstpage_image] =>[orig_patent_app_number] => 13271646 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/271646
Method for manufacturing SOI substrate and semiconductor device Oct 11, 2011 Issued
Array ( [id] => 8680653 [patent_doc_number] => 20130048937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'METHOD FOR FORMING RESISTIVE SWITCHING MEMORY ELEMENTS' [patent_app_type] => utility [patent_app_number] => 13/219806 [patent_app_country] => US [patent_app_date] => 2011-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5558 [patent_no_of_claims] => 25 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13219806 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/219806
Method for forming resistive switching memory elements Aug 28, 2011 Issued
Array ( [id] => 8684495 [patent_doc_number] => 20130052779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'FABRICATION OF A SEMICONDUCTOR DEVICE WITH EXTENDED EPITAXIAL SEMICONDUCTOR REGIONS' [patent_app_type] => utility [patent_app_number] => 13/219331 [patent_app_country] => US [patent_app_date] => 2011-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4779 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13219331 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/219331
Fabrication of a semiconductor device with extended epitaxial semiconductor regions Aug 25, 2011 Issued
Array ( [id] => 7656905 [patent_doc_number] => 20110306174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-15 [patent_title] => 'Patterning Method for High Density Pillar Structures' [patent_app_type] => utility [patent_app_number] => 13/216688 [patent_app_country] => US [patent_app_date] => 2011-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 5685 [patent_no_of_claims] => 6 [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/A1/0306/20110306174.pdf [firstpage_image] =>[orig_patent_app_number] => 13216688 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/216688
Patterning method for high density pillar structures Aug 23, 2011 Issued
Array ( [id] => 9020344 [patent_doc_number] => 08530329 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-10 [patent_title] => 'Methods of fabricating semiconductor devices having various isolation regions' [patent_app_type] => utility [patent_app_number] => 13/162050 [patent_app_country] => US [patent_app_date] => 2011-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 22 [patent_no_of_words] => 13244 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13162050 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/162050
Methods of fabricating semiconductor devices having various isolation regions Jun 15, 2011 Issued
Array ( [id] => 8522863 [patent_doc_number] => 20120322271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-20 [patent_title] => 'IDENTIFICATION OF DIES ON A SEMICONDUCTOR WAFER' [patent_app_type] => utility [patent_app_number] => 13/160901 [patent_app_country] => US [patent_app_date] => 2011-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3546 [patent_no_of_claims] => 6 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13160901 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/160901
Identification of dies on a semiconductor wafer Jun 14, 2011 Issued
Array ( [id] => 9086255 [patent_doc_number] => 08557682 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-10-15 [patent_title] => 'Multi-layer mask for substrate dicing by laser and plasma etch' [patent_app_type] => utility [patent_app_number] => 13/161427 [patent_app_country] => US [patent_app_date] => 2011-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 8081 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13161427 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/161427
Multi-layer mask for substrate dicing by laser and plasma etch Jun 14, 2011 Issued
Array ( [id] => 10888081 [patent_doc_number] => 08912077 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-16 [patent_title] => 'Hybrid laser and plasma etch wafer dicing using substrate carrier' [patent_app_type] => utility [patent_app_number] => 13/161052 [patent_app_country] => US [patent_app_date] => 2011-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 32 [patent_no_of_words] => 10635 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13161052 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/161052
Hybrid laser and plasma etch wafer dicing using substrate carrier Jun 14, 2011 Issued
Array ( [id] => 8522826 [patent_doc_number] => 20120322234 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-20 [patent_title] => 'IN-SITU DEPOSITED MASK LAYER FOR DEVICE SINGULATION BY LASER SCRIBING AND PLASMA ETCH' [patent_app_type] => utility [patent_app_number] => 13/160973 [patent_app_country] => US [patent_app_date] => 2011-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 8993 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13160973 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/160973
In-situ deposited mask layer for device singulation by laser scribing and plasma etch Jun 14, 2011 Issued
Array ( [id] => 8968552 [patent_doc_number] => 08507363 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-13 [patent_title] => 'Laser and plasma etch wafer dicing using water-soluble die attach film' [patent_app_type] => utility [patent_app_number] => 13/161045 [patent_app_country] => US [patent_app_date] => 2011-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 7586 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13161045 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/161045
Laser and plasma etch wafer dicing using water-soluble die attach film Jun 14, 2011 Issued
Array ( [id] => 8955843 [patent_doc_number] => 08501615 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-06 [patent_title] => 'Metal bump formation' [patent_app_type] => utility [patent_app_number] => 13/161303 [patent_app_country] => US [patent_app_date] => 2011-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 6052 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13161303 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/161303
Metal bump formation Jun 14, 2011 Issued
Array ( [id] => 6015883 [patent_doc_number] => 20110223727 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-09-15 [patent_title] => 'CMOS Devices with Schottky Source and Drain Regions' [patent_app_type] => utility [patent_app_number] => 13/113530 [patent_app_country] => US [patent_app_date] => 2011-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3818 [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/A1/0223/20110223727.pdf [firstpage_image] =>[orig_patent_app_number] => 13113530 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/113530
CMOS devices with Schottky source and drain regions May 22, 2011 Issued
Array ( [id] => 7567528 [patent_doc_number] => 20110287591 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-11-24 [patent_title] => 'METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE' [patent_app_type] => utility [patent_app_number] => 13/110314 [patent_app_country] => US [patent_app_date] => 2011-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 17134 [patent_no_of_claims] => 30 [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/A1/0287/20110287591.pdf [firstpage_image] =>[orig_patent_app_number] => 13110314 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/110314
Method for manufacturing semiconductor device May 17, 2011 Issued
Array ( [id] => 6041949 [patent_doc_number] => 20110204026 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-25 [patent_title] => 'PLASMA ASHING METHOD' [patent_app_type] => utility [patent_app_number] => 13/103719 [patent_app_country] => US [patent_app_date] => 2011-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 16668 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0204/20110204026.pdf [firstpage_image] =>[orig_patent_app_number] => 13103719 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/103719
Plasma ashing method May 8, 2011 Issued
Array ( [id] => 9875193 [patent_doc_number] => 08962460 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-02-24 [patent_title] => 'Methods of selectively forming metal-doped chalcogenide materials, methods of selectively doping chalcogenide materials, and methods of forming semiconductor device structures including same' [patent_app_type] => utility [patent_app_number] => 13/094024 [patent_app_country] => US [patent_app_date] => 2011-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 19 [patent_no_of_words] => 6438 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13094024 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/094024
Methods of selectively forming metal-doped chalcogenide materials, methods of selectively doping chalcogenide materials, and methods of forming semiconductor device structures including same Apr 25, 2011 Issued
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