Search

Leonard Chang

Supervisory Patent Examiner (ID: 9349, Phone: (571)270-3691 , Office: P/4166 )

Most Active Art Unit
2812
Art Unit(s)
2812, 4100, 4121
Total Applications
318
Issued Applications
194
Pending Applications
1
Abandoned Applications
127

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 10857447 [patent_doc_number] => 08883644 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-11 [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] => 14/053346 [patent_app_country] => US [patent_app_date] => 2013-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 48 [patent_no_of_words] => 12024 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14053346 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/053346
Single spacer process for multiplying pitch by a factor greater than two and related intermediate IC structures Oct 13, 2013 Issued
Array ( [id] => 8901330 [patent_doc_number] => 20130168833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-04 [patent_title] => 'METHOD FOR ENHANCING GROWTH OF SEMIPOLAR (Al,In,Ga,B)N VIA METALORGANIC CHEMICAL VAPOR DEPOSITION' [patent_app_type] => utility [patent_app_number] => 13/776446 [patent_app_country] => US [patent_app_date] => 2013-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5521 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13776446 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/776446
METHOD FOR ENHANCING GROWTH OF SEMIPOLAR (Al,In,Ga,B)N VIA METALORGANIC CHEMICAL VAPOR DEPOSITION Feb 24, 2013 Abandoned
Array ( [id] => 8956419 [patent_doc_number] => 08502197 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-06 [patent_title] => 'Layer assembly' [patent_app_type] => utility [patent_app_number] => 13/711322 [patent_app_country] => US [patent_app_date] => 2012-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2875 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13711322 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/711322
Layer assembly Dec 10, 2012 Issued
Array ( [id] => 8944016 [patent_doc_number] => 08497194 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-07-30 [patent_title] => 'Methods of forming doped regions in semiconductor substrates' [patent_app_type] => utility [patent_app_number] => 13/674674 [patent_app_country] => US [patent_app_date] => 2012-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2667 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13674674 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/674674
Methods of forming doped regions in semiconductor substrates Nov 11, 2012 Issued
Array ( [id] => 8875663 [patent_doc_number] => 08470627 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-06-25 [patent_title] => 'Method for manufacturing semiconductor light emitting device' [patent_app_type] => utility [patent_app_number] => 13/671580 [patent_app_country] => US [patent_app_date] => 2012-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5968 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13671580 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/671580
Method for manufacturing semiconductor light emitting device Nov 7, 2012 Issued
Array ( [id] => 8586269 [patent_doc_number] => 20130005090 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-03 [patent_title] => 'METHOD FOR MANUFACTURING A SEMICONDUCTOR DEVICE HAVING A HEAT SPREADER' [patent_app_type] => utility [patent_app_number] => 13/610460 [patent_app_country] => US [patent_app_date] => 2012-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 5793 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13610460 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/610460
METHOD FOR MANUFACTURING A SEMICONDUCTOR DEVICE HAVING A HEAT SPREADER Sep 10, 2012 Abandoned
Array ( [id] => 8519858 [patent_doc_number] => 20120319266 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-20 [patent_title] => 'INTEGRATED CIRCUIT PACKAGING SYSTEM WITH ENCAPSULATION AND UNDERFILL AND METHOD OF MANUFACTURE THEREOF' [patent_app_type] => utility [patent_app_number] => 13/597086 [patent_app_country] => US [patent_app_date] => 2012-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 10416 [patent_no_of_claims] => 16 [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] => 13597086 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/597086
Integrated circuit packaging system with encapsulation and underfill and method of manufacture thereof Aug 27, 2012 Issued
Array ( [id] => 8499619 [patent_doc_number] => 20120299027 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-29 [patent_title] => 'DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 13/567215 [patent_app_country] => US [patent_app_date] => 2012-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 12308 [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] => 13567215 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/567215
Display device and manufacturing method thereof Aug 5, 2012 Issued
Array ( [id] => 9503351 [patent_doc_number] => 08741664 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-03 [patent_title] => 'Magnetic tunnel junction self-alignment in magnetic domain wall shift register memory devices' [patent_app_type] => utility [patent_app_number] => 13/555368 [patent_app_country] => US [patent_app_date] => 2012-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 2947 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13555368 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/555368
Magnetic tunnel junction self-alignment in magnetic domain wall shift register memory devices Jul 22, 2012 Issued
Array ( [id] => 8488287 [patent_doc_number] => 20120287694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-15 [patent_title] => 'THREE-DIMENSIONAL SEMICONDUCTOR MEMORY DEVICE' [patent_app_type] => utility [patent_app_number] => 13/554038 [patent_app_country] => US [patent_app_date] => 2012-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 8224 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13554038 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/554038
Three-dimensional semiconductor memory device Jul 19, 2012 Issued
Array ( [id] => 9817530 [patent_doc_number] => 08927314 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-06 [patent_title] => 'Method of manufacturing solar cell with two exposed surfaces of arc layer disposed at different levels' [patent_app_type] => utility [patent_app_number] => 13/549814 [patent_app_country] => US [patent_app_date] => 2012-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 13 [patent_no_of_words] => 3416 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13549814 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/549814
Method of manufacturing solar cell with two exposed surfaces of arc layer disposed at different levels Jul 15, 2012 Issued
Array ( [id] => 8477337 [patent_doc_number] => 20120276744 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-01 [patent_title] => 'Patterning Method for High Density Pillar Structures' [patent_app_type] => utility [patent_app_number] => 13/463260 [patent_app_country] => US [patent_app_date] => 2012-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 5688 [patent_no_of_claims] => 8 [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] => 13463260 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/463260
Patterning method for high density pillar structures May 2, 2012 Issued
Array ( [id] => 8738181 [patent_doc_number] => 08409951 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-02 [patent_title] => 'Metal control gate formation in non-volatile storage' [patent_app_type] => utility [patent_app_number] => 13/439260 [patent_app_country] => US [patent_app_date] => 2012-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 34 [patent_no_of_words] => 10232 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13439260 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/439260
Metal control gate formation in non-volatile storage Apr 3, 2012 Issued
Array ( [id] => 8278016 [patent_doc_number] => 20120171864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-05 [patent_title] => 'METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE' [patent_app_type] => utility [patent_app_number] => 13/419775 [patent_app_country] => US [patent_app_date] => 2012-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 58 [patent_figures_cnt] => 58 [patent_no_of_words] => 33103 [patent_no_of_claims] => 10 [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] => 13419775 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/419775
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE Mar 13, 2012 Abandoned
Array ( [id] => 9002344 [patent_doc_number] => 20130223469 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-29 [patent_title] => 'Controlling the emissive properties of materials-improved lasers and upconversion materials' [patent_app_type] => utility [patent_app_number] => 13/385661 [patent_app_country] => US [patent_app_date] => 2012-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3390 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 9 [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] => 13385661 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/385661
Controlling the emissive properties of materials-improved lasers and upconversion materials Feb 28, 2012 Issued
Array ( [id] => 8549849 [patent_doc_number] => 08324734 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-12-04 [patent_title] => 'Tunnel junction via' [patent_app_type] => utility [patent_app_number] => 13/364494 [patent_app_country] => US [patent_app_date] => 2012-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2293 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13364494 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/364494
Tunnel junction via Feb 1, 2012 Issued
Array ( [id] => 8527706 [patent_doc_number] => 08304276 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-11-06 [patent_title] => 'Film stress management for MEMS through selective relaxation' [patent_app_type] => utility [patent_app_number] => 13/358615 [patent_app_country] => US [patent_app_date] => 2012-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 6015 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13358615 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/358615
Film stress management for MEMS through selective relaxation Jan 25, 2012 Issued
Array ( [id] => 8664959 [patent_doc_number] => 08378421 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-02-19 [patent_title] => 'Method of manufacturing thin film transistor and thin film transistor substrate' [patent_app_type] => utility [patent_app_number] => 13/350037 [patent_app_country] => US [patent_app_date] => 2012-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 3305 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13350037 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/350037
Method of manufacturing thin film transistor and thin film transistor substrate Jan 12, 2012 Issued
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
Menu