Search

Daniel D. Chang

Examiner (ID: 11980)

Most Active Art Unit
2844
Art Unit(s)
0, 2845, 2819, 2844
Total Applications
2550
Issued Applications
2320
Pending Applications
113
Abandoned Applications
143

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19004058 [patent_doc_number] => 20240068129 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => DEVICE FOR GROWING AN ARTIFICIALLY PRODUCED SINGLE CRYSTAL, IN PARTICULAR A SAPPHIRE SINGLE CRYSTAL [patent_app_type] => utility [patent_app_number] => 18/270076 [patent_app_country] => US [patent_app_date] => 2021-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5251 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18270076 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/270076
DEVICE FOR GROWING AN ARTIFICIALLY PRODUCED SINGLE CRYSTAL, IN PARTICULAR A SAPPHIRE SINGLE CRYSTAL Dec 27, 2021 Pending
Array ( [id] => 18988237 [patent_doc_number] => 20240060206 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => PROCESS FOR MANUFACTURING A MONOCRYSTALLINE CRYSTAL, IN PARTICULAR A SAPPHIRE [patent_app_type] => utility [patent_app_number] => 18/270095 [patent_app_country] => US [patent_app_date] => 2021-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4708 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18270095 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/270095
PROCESS FOR MANUFACTURING A MONOCRYSTALLINE CRYSTAL, IN PARTICULAR A SAPPHIRE Dec 27, 2021 Pending
Array ( [id] => 19528722 [patent_doc_number] => 20240352624 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => APPARATUS AND METHOD FOR SYNTHESIZING AND CONTINUOUSLY GROWING PHOSPHIDE IN MAGNETIC FIELD IN IMMERSION FASHION [patent_app_type] => utility [patent_app_number] => 18/577074 [patent_app_country] => US [patent_app_date] => 2021-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3925 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18577074 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/577074
Apparatus and method for synthesizing and continuously growing phosphide in magnetic field in immersion fashion Dec 7, 2021 Issued
Array ( [id] => 17764724 [patent_doc_number] => 20220238337 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => Laser-Assisted Epitaxy and Etching for Manufacturing Integrated Circuits [patent_app_type] => utility [patent_app_number] => 17/457709 [patent_app_country] => US [patent_app_date] => 2021-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8046 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17457709 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/457709
Laser-Assisted Epitaxy and Etching for Manufacturing Integrated Circuits Dec 5, 2021 Pending
Array ( [id] => 17431633 [patent_doc_number] => 20220059342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => INTEGRATED EPITAXY AND PRECLEAN SYSTEM [patent_app_type] => utility [patent_app_number] => 17/516326 [patent_app_country] => US [patent_app_date] => 2021-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10585 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17516326 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/516326
Integrated epitaxy and preclean system Oct 31, 2021 Issued
Array ( [id] => 19166096 [patent_doc_number] => 11981987 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Nozzle exit contours for pattern composition [patent_app_type] => utility [patent_app_number] => 17/510529 [patent_app_country] => US [patent_app_date] => 2021-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 27 [patent_no_of_words] => 10058 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17510529 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/510529
Nozzle exit contours for pattern composition Oct 25, 2021 Issued
Array ( [id] => 19842692 [patent_doc_number] => 12255092 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Substrate processing apparatus [patent_app_type] => utility [patent_app_number] => 17/502615 [patent_app_country] => US [patent_app_date] => 2021-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 11292 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17502615 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/502615
Substrate processing apparatus Oct 14, 2021 Issued
Array ( [id] => 17460767 [patent_doc_number] => 20220074072 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => IMPURITY CONTROL DURING FORMATION OF ALUMINUM NITRIDE CRYSTALS AND THERMAL TREATMENT OF ALUMINUM NITRIDE CRYSTALS [patent_app_type] => utility [patent_app_number] => 17/496867 [patent_app_country] => US [patent_app_date] => 2021-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27061 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17496867 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/496867
Impurity control during formation of aluminum nitride crystals and thermal treatment of aluminum nitride crystals Oct 7, 2021 Issued
Array ( [id] => 18709708 [patent_doc_number] => 20230332330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => DEVICE FOR GROWING SINGLE CRYSTALS, IN PARTICULAR SINGLE CRYSTALS OF SILICON CARBIDE [patent_app_type] => utility [patent_app_number] => 18/028674 [patent_app_country] => US [patent_app_date] => 2021-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6912 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18028674 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/028674
DEVICE FOR GROWING SINGLE CRYSTALS, IN PARTICULAR SINGLE CRYSTALS OF SILICON CARBIDE Sep 22, 2021 Pending
Array ( [id] => 18754526 [patent_doc_number] => 20230357950 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => MANUFACTURING METHOD OF SINGLE CRYSTALS [patent_app_type] => utility [patent_app_number] => 18/029745 [patent_app_country] => US [patent_app_date] => 2021-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11814 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18029745 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/029745
MANUFACTURING METHOD OF SINGLE CRYSTALS Sep 21, 2021 Pending
Array ( [id] => 17482788 [patent_doc_number] => 20220090292 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => ACTIVE BALANCING SEED LIFT [patent_app_type] => utility [patent_app_number] => 17/469031 [patent_app_country] => US [patent_app_date] => 2021-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11113 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17469031 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/469031
ACTIVE BALANCING SEED LIFT Sep 7, 2021 Abandoned
Array ( [id] => 18895017 [patent_doc_number] => 20240010502 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => POLYCRYSTAL SILICON ROD, POLYCRYSTAL SILICON ROD PRODUCTION METHOD, AND POLYCRYSTAL SILICON THERMAL PROCESSING METHOD [patent_app_type] => utility [patent_app_number] => 18/037966 [patent_app_country] => US [patent_app_date] => 2021-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13243 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18037966 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/037966
POLYCRYSTAL SILICON ROD, POLYCRYSTAL SILICON ROD PRODUCTION METHOD, AND POLYCRYSTAL SILICON THERMAL PROCESSING METHOD Aug 31, 2021 Pending
Array ( [id] => 18485445 [patent_doc_number] => 20230212782 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => METHOD FOR MANUFACTURING SILICON SINGLE-CRYSTAL SUBSTRATE AND SILICON SINGLE-CRYSTAL SUBSTRATE [patent_app_type] => utility [patent_app_number] => 18/019916 [patent_app_country] => US [patent_app_date] => 2021-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5855 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18019916 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/019916
METHOD FOR MANUFACTURING SILICON SINGLE-CRYSTAL SUBSTRATE AND SILICON SINGLE-CRYSTAL SUBSTRATE Jul 22, 2021 Pending
Array ( [id] => 18143917 [patent_doc_number] => 20230017768 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => APPARATUS AND METHOD FOR USE WITH A SUBSTRATE CHAMBER [patent_app_type] => utility [patent_app_number] => 17/377581 [patent_app_country] => US [patent_app_date] => 2021-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8845 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17377581 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/377581
Apparatus and method for use with a substrate chamber Jul 15, 2021 Issued
Array ( [id] => 18230063 [patent_doc_number] => 20230069057 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => Growth Device and Method for Low-Stress Crystals [patent_app_type] => utility [patent_app_number] => 17/797063 [patent_app_country] => US [patent_app_date] => 2021-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4127 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17797063 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/797063
Growth Device and Method for Low-Stress Crystals Jul 4, 2021 Abandoned
Array ( [id] => 18537960 [patent_doc_number] => 20230243063 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => SiC CRYSTAL MANUFACTURING METHOD [patent_app_type] => utility [patent_app_number] => 18/011926 [patent_app_country] => US [patent_app_date] => 2021-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3876 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18011926 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/011926
SiC CRYSTAL MANUFACTURING METHOD Jun 28, 2021 Pending
Array ( [id] => 18537961 [patent_doc_number] => 20230243064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => Crystal Growing Unit for Producing a Single Crystal [patent_app_type] => utility [patent_app_number] => 18/012563 [patent_app_country] => US [patent_app_date] => 2021-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15023 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18012563 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/012563
Crystal growing unit for producing a single crystal Jun 23, 2021 Issued
Array ( [id] => 20129509 [patent_doc_number] => 12371813 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Silicon wafer and method for producing silicon wafer [patent_app_type] => utility [patent_app_number] => 18/011422 [patent_app_country] => US [patent_app_date] => 2021-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [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] => 18011422 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/011422
Silicon wafer and method for producing silicon wafer Jun 13, 2021 Issued
Array ( [id] => 20480690 [patent_doc_number] => 12529161 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => Systems for preparing crystals [patent_app_type] => utility [patent_app_number] => 17/338766 [patent_app_country] => US [patent_app_date] => 2021-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 15019 [patent_no_of_claims] => 19 [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] => 17338766 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/338766
Systems for preparing crystals Jun 3, 2021 Issued
Array ( [id] => 17688331 [patent_doc_number] => 20220195623 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => SPOOL-BALANCED SEED LIFT [patent_app_type] => utility [patent_app_number] => 17/338152 [patent_app_country] => US [patent_app_date] => 2021-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17338152 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/338152
Spool-balanced seed lift Jun 2, 2021 Issued
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