Search

Keath T. Chen

Examiner (ID: 13736, Phone: (571)270-1870 , Office: P/1716 )

Most Active Art Unit
1716
Art Unit(s)
1712, 1716, 1762, 1792
Total Applications
1402
Issued Applications
436
Pending Applications
126
Abandoned Applications
854

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20207583 [patent_doc_number] => 20250277303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => LOW-TEMPERATURE VAPORIZER FOR ION IMPLANTER WITH IN-VACUUM CONTROLLED FLOW [patent_app_type] => utility [patent_app_number] => 19/063918 [patent_app_country] => US [patent_app_date] => 2025-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2296 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19063918 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/063918
LOW-TEMPERATURE VAPORIZER FOR ION IMPLANTER WITH IN-VACUUM CONTROLLED FLOW Feb 25, 2025 Abandoned
Array ( [id] => 20572317 [patent_doc_number] => 20260066245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-05 [patent_title] => Atomic Layer Process Chamber for Optimal Etching and Deposition with Controlled Ion and Radical Exposure [patent_app_type] => utility [patent_app_number] => 18/826169 [patent_app_country] => US [patent_app_date] => 2024-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2261 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18826169 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/826169
Atomic Layer Process Chamber for Optimal Etching and Deposition with Controlled Ion and Radical Exposure Sep 4, 2024 Pending
Array ( [id] => 19820986 [patent_doc_number] => 20250079193 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => SUBSTRATE PROCESSING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/815854 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5943 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18815854 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/815854
SUBSTRATE PROCESSING APPARATUS Aug 26, 2024 Pending
Array ( [id] => 19754852 [patent_doc_number] => 20250043417 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => CONFIGURABLE SOURCE [patent_app_type] => utility [patent_app_number] => 18/792309 [patent_app_country] => US [patent_app_date] => 2024-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10059 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18792309 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/792309
CONFIGURABLE SOURCE Jul 31, 2024 Pending
Array ( [id] => 20381773 [patent_doc_number] => 20250364266 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => INTEGRATED WET PASSIVATION ON CMP FOR HYBRID BONDING POST-CU PAD POLISH CAPPING [patent_app_type] => utility [patent_app_number] => 18/672918 [patent_app_country] => US [patent_app_date] => 2024-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3342 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18672918 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/672918
INTEGRATED WET PASSIVATION ON CMP FOR HYBRID BONDING POST-CU PAD POLISH CAPPING May 22, 2024 Pending
Array ( [id] => 19546295 [patent_doc_number] => 20240363331 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => SUBSTRATE SUPPORT PLATE, SUBSTRATE PROCESSING APPARATUS INCLUDING THE SAME, AND SUBSTRATE PROCESSING METHOD [patent_app_type] => utility [patent_app_number] => 18/664118 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18664118 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/664118
SUBSTRATE SUPPORT PLATE, SUBSTRATE PROCESSING APPARATUS INCLUDING THE SAME, AND SUBSTRATE PROCESSING METHOD May 13, 2024 Pending
Array ( [id] => 20367342 [patent_doc_number] => 20250357154 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-20 [patent_title] => SELECTIVE PERIODIC EDGE DEPOSITION AND ETCH [patent_app_type] => utility [patent_app_number] => 18/663463 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5249 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18663463 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/663463
SELECTIVE PERIODIC EDGE DEPOSITION AND ETCH May 13, 2024 Pending
Array ( [id] => 19531732 [patent_doc_number] => 20240355634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => METHOD FOR PROCESSING WORKPIECE, PLASMA PROCESSING APPARATUS AND SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/653280 [patent_app_country] => US [patent_app_date] => 2024-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12227 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18653280 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/653280
METHOD FOR PROCESSING WORKPIECE, PLASMA PROCESSING APPARATUS AND SEMICONDUCTOR DEVICE May 1, 2024 Pending
Array ( [id] => 19392726 [patent_doc_number] => 20240282596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => SEMICONDUCTOR PROCESSING DEVICE [patent_app_type] => utility [patent_app_number] => 18/648467 [patent_app_country] => US [patent_app_date] => 2024-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7283 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18648467 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/648467
SEMICONDUCTOR PROCESSING DEVICE Apr 27, 2024 Pending
Array ( [id] => 19384588 [patent_doc_number] => 20240274458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => ELECTROSTATIC CHUCK, ETCHING APPARATUS, AND METHOD OF MANUFACTURING DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/644599 [patent_app_country] => US [patent_app_date] => 2024-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16374 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18644599 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/644599
ELECTROSTATIC CHUCK, ETCHING APPARATUS, AND METHOD OF MANUFACTURING DISPLAY DEVICE Apr 23, 2024 Pending
Array ( [id] => 20291212 [patent_doc_number] => 20250316455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => PLASMA SHOWERHEAD ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/627065 [patent_app_country] => US [patent_app_date] => 2024-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1041 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18627065 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/627065
PLASMA SHOWERHEAD ASSEMBLY Apr 3, 2024 Pending
Array ( [id] => 19546273 [patent_doc_number] => 20240363309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => SUBSTRATE PROCESSING APPARATUS, SEMICONDUCTOR DEVICE MANUFACTURING METHOD, AND SUBSTRATE PROCESSING METHOD [patent_app_type] => utility [patent_app_number] => 18/620246 [patent_app_country] => US [patent_app_date] => 2024-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10719 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18620246 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/620246
SUBSTRATE PROCESSING APPARATUS, SEMICONDUCTOR DEVICE MANUFACTURING METHOD, AND SUBSTRATE PROCESSING METHOD Mar 27, 2024 Pending
Array ( [id] => 19305521 [patent_doc_number] => 20240234101 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => PLASMA SUBSTRATE TREATMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 18/613512 [patent_app_country] => US [patent_app_date] => 2024-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8501 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18613512 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/613512
PLASMA SUBSTRATE TREATMENT APPARATUS Mar 21, 2024 Pending
Array ( [id] => 19345658 [patent_doc_number] => 20240254621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => MATERIAL DEPOSITION SYSTEM EQUIPMENT MAINTENANCE [patent_app_type] => utility [patent_app_number] => 18/604475 [patent_app_country] => US [patent_app_date] => 2024-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15789 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18604475 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/604475
MATERIAL DEPOSITION SYSTEM EQUIPMENT MAINTENANCE Mar 12, 2024 Pending
Array ( [id] => 20235685 [patent_doc_number] => 20250293004 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => SEMICONDUCTOR PROCESSING CHAMBER LID AND SEALING MECHANISM [patent_app_type] => utility [patent_app_number] => 18/603672 [patent_app_country] => US [patent_app_date] => 2024-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2513 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18603672 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/603672
SEMICONDUCTOR PROCESSING CHAMBER LID AND SEALING MECHANISM Mar 12, 2024 Pending
Array ( [id] => 19449378 [patent_doc_number] => 20240309508 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => SUBSTRATE PROCESSING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/600373 [patent_app_country] => US [patent_app_date] => 2024-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6433 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18600373 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/600373
SUBSTRATE PROCESSING APPARATUS Mar 7, 2024 Pending
Array ( [id] => 19420894 [patent_doc_number] => 20240297018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => DISTRIBUTOR AND PLASMA PROCESSING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/589744 [patent_app_country] => US [patent_app_date] => 2024-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10389 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18589744 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/589744
DISTRIBUTOR AND PLASMA PROCESSING APPARATUS Feb 27, 2024 Pending
Array ( [id] => 19528668 [patent_doc_number] => 20240352570 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => DEPOSITION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/443710 [patent_app_country] => US [patent_app_date] => 2024-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14009 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18443710 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/443710
DEPOSITION APPARATUS Feb 15, 2024 Pending
Array ( [id] => 20179874 [patent_doc_number] => 20250263832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => LOCAL PART MASKING FOR IMPROVED UNIFORMITY IN CERAMIC MATRIX COMPOSITES [patent_app_type] => utility [patent_app_number] => 18/442808 [patent_app_country] => US [patent_app_date] => 2024-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18442808 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/442808
LOCAL PART MASKING FOR IMPROVED UNIFORMITY IN CERAMIC MATRIX COMPOSITES Feb 14, 2024 Pending
Array ( [id] => 19817116 [patent_doc_number] => 20250075323 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => SUBSTRATE SUPPORT, THIN FILM PROCESSING DEVICE, AND THIN FILM DEPOSITION CONTROL METHOD USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/442991 [patent_app_country] => US [patent_app_date] => 2024-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8240 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18442991 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/442991
SUBSTRATE SUPPORT, THIN FILM PROCESSING DEVICE, AND THIN FILM DEPOSITION CONTROL METHOD USING THE SAME Feb 14, 2024 Pending
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