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] => 20404370 [patent_doc_number] => 12494350 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Lower electrode assembly and plasma processing device [patent_app_type] => utility [patent_app_number] => 17/585476 [patent_app_country] => US [patent_app_date] => 2022-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17585476 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/585476
Lower electrode assembly and plasma processing device Jan 25, 2022 Issued
Array ( [id] => 17594069 [patent_doc_number] => 20220143642 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => SPATIAL CONTROL OF VAPOR CONDENSATION USING CONVECTION [patent_app_type] => utility [patent_app_number] => 17/582071 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13254 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17582071 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/582071
SPATIAL CONTROL OF VAPOR CONDENSATION USING CONVECTION Jan 23, 2022 Pending
Array ( [id] => 17582905 [patent_doc_number] => 20220139760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => SUBSTRATE PROCESSING APPARATUS, SUSCEPTOR COVER, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND SUBSTRATE PROCESSING METHOD [patent_app_type] => utility [patent_app_number] => 17/580793 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9272 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17580793 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/580793
SUBSTRATE PROCESSING APPARATUS, SUSCEPTOR COVER, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND SUBSTRATE PROCESSING METHOD Jan 20, 2022 Pending
Array ( [id] => 19425351 [patent_doc_number] => 12084754 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Mask plate and evaporation system [patent_app_type] => utility [patent_app_number] => 17/569161 [patent_app_country] => US [patent_app_date] => 2022-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3792 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17569161 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/569161
Mask plate and evaporation system Jan 4, 2022 Issued
Array ( [id] => 17720874 [patent_doc_number] => 20220213594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => PROCESS MODULE, SUBSTRATE PROCESSING SYSTEM, AND PROCESSING METHOD [patent_app_type] => utility [patent_app_number] => 17/645829 [patent_app_country] => US [patent_app_date] => 2021-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7723 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17645829 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/645829
PROCESS MODULE, SUBSTRATE PROCESSING SYSTEM, AND PROCESSING METHOD Dec 22, 2021 Pending
Array ( [id] => 19828693 [patent_doc_number] => 12249484 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-11 [patent_title] => Methods and apparatus for controlling radio frequency electrode impedances in process chambers [patent_app_type] => utility [patent_app_number] => 17/554645 [patent_app_country] => US [patent_app_date] => 2021-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 5250 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17554645 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/554645
Methods and apparatus for controlling radio frequency electrode impedances in process chambers Dec 16, 2021 Issued
Array ( [id] => 17708510 [patent_doc_number] => 20220208518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => Directly Driven Hybrid ICP-CCP Plasma Source [patent_app_type] => utility [patent_app_number] => 17/551244 [patent_app_country] => US [patent_app_date] => 2021-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7125 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17551244 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/551244
Directly Driven Hybrid ICP-CCP Plasma Source Dec 14, 2021 Pending
Array ( [id] => 17505617 [patent_doc_number] => 20220098719 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => MASK AND EVAPORATION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/546384 [patent_app_country] => US [patent_app_date] => 2021-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4029 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17546384 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/546384
MASK AND EVAPORATION SYSTEM Dec 8, 2021 Pending
Array ( [id] => 17505616 [patent_doc_number] => 20220098718 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => MASK AND EVAPORATION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/546371 [patent_app_country] => US [patent_app_date] => 2021-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4028 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17546371 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/546371
MASK AND EVAPORATION SYSTEM Dec 8, 2021 Abandoned
Array ( [id] => 18612800 [patent_doc_number] => 20230279536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => VAPOR DEPOSITION SOURCE FOR VACUUM VAPOR DEPOSITION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/040675 [patent_app_country] => US [patent_app_date] => 2021-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3989 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18040675 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/040675
VAPOR DEPOSITION SOURCE FOR VACUUM VAPOR DEPOSITION APPARATUS Dec 6, 2021 Abandoned
Array ( [id] => 19314335 [patent_doc_number] => 12040160 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Semiconductor-manufacturing apparatus member and plug [patent_app_type] => utility [patent_app_number] => 17/457725 [patent_app_country] => US [patent_app_date] => 2021-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 6606 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17457725 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/457725
Semiconductor-manufacturing apparatus member and plug Dec 5, 2021 Issued
Array ( [id] => 18862482 [patent_doc_number] => 20230416918 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => PEDESTAL INCLUDING SEAL [patent_app_type] => utility [patent_app_number] => 18/035200 [patent_app_country] => US [patent_app_date] => 2021-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5307 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18035200 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/035200
PEDESTAL INCLUDING SEAL Nov 8, 2021 Pending
Array ( [id] => 19305604 [patent_doc_number] => 20240234184 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => LOAD LOCK CHAMBER AND APPARATUS FOR TREATING SUBSTRATE [patent_app_type] => utility [patent_app_number] => 18/278678 [patent_app_country] => US [patent_app_date] => 2021-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11556 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18278678 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/278678
LOAD LOCK CHAMBER AND APPARATUS FOR TREATING SUBSTRATE Nov 1, 2021 Pending
Array ( [id] => 19305604 [patent_doc_number] => 20240234184 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => LOAD LOCK CHAMBER AND APPARATUS FOR TREATING SUBSTRATE [patent_app_type] => utility [patent_app_number] => 18/278678 [patent_app_country] => US [patent_app_date] => 2021-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11556 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18278678 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/278678
LOAD LOCK CHAMBER AND APPARATUS FOR TREATING SUBSTRATE Oct 31, 2021 Pending
Array ( [id] => 18833732 [patent_doc_number] => 20230402259 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => LOCALIZED PLASMA ARC PREVENTION VIA PURGE RING [patent_app_type] => utility [patent_app_number] => 18/250349 [patent_app_country] => US [patent_app_date] => 2021-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16498 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -37 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18250349 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/250349
LOCALIZED PLASMA ARC PREVENTION VIA PURGE RING Oct 21, 2021 Pending
Array ( [id] => 18258275 [patent_doc_number] => 20230085315 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => MASK, AND MANUFACTURING METHOD FOR MASK [patent_app_type] => utility [patent_app_number] => 17/802263 [patent_app_country] => US [patent_app_date] => 2021-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5341 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17802263 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/802263
Mask, and manufacturing method for mask Oct 21, 2021 Issued
Array ( [id] => 17386101 [patent_doc_number] => 20220033953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => MASK [patent_app_type] => utility [patent_app_number] => 17/503734 [patent_app_country] => US [patent_app_date] => 2021-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5991 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17503734 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/503734
MASK Oct 17, 2021 Abandoned
Array ( [id] => 19359739 [patent_doc_number] => 20240261773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => DEVICE AND METHOD FOR PRODUCING THIN-FILM CATALYST [patent_app_type] => utility [patent_app_number] => 18/567025 [patent_app_country] => US [patent_app_date] => 2021-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8580 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18567025 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/567025
DEVICE AND METHOD FOR PRODUCING THIN-FILM CATALYST Oct 11, 2021 Abandoned
Array ( [id] => 17370457 [patent_doc_number] => 20220025509 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => DEPOSITION SOURCE EVAPORATING APPARATUS AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/497851 [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] => 4906 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17497851 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/497851
DEPOSITION SOURCE EVAPORATING APPARATUS AND MANUFACTURING METHOD THEREOF Oct 7, 2021 Abandoned
Array ( [id] => 18812459 [patent_doc_number] => 20230386796 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => SUBSTRATE TREATMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 18/032518 [patent_app_country] => US [patent_app_date] => 2021-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9938 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18032518 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/032518
SUBSTRATE TREATMENT APPARATUS Oct 4, 2021 Pending
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