Search

Keath T. Chen

Examiner (ID: 12362, Phone: (571)270-1870 , Office: P/1716 )

Most Active Art Unit
1716
Art Unit(s)
1792, 1762, 1716, 1712
Total Applications
1366
Issued Applications
431
Pending Applications
136
Abandoned Applications
842

Applications

Application numberTitle of the applicationFiling DateStatus
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] => 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] => 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] => 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] => 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] => 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
Array ( [id] => 17505620 [patent_doc_number] => 20220098722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => VAPORIZING SYSTEM, SUBSTRATE PROCESSING APPARATUS AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/476843 [patent_app_country] => US [patent_app_date] => 2021-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13980 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17476843 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/476843
VAPORIZING SYSTEM, SUBSTRATE PROCESSING APPARATUS AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE Sep 15, 2021 Pending
Array ( [id] => 17505620 [patent_doc_number] => 20220098722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => VAPORIZING SYSTEM, SUBSTRATE PROCESSING APPARATUS AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/476843 [patent_app_country] => US [patent_app_date] => 2021-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13980 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17476843 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/476843
VAPORIZING SYSTEM, SUBSTRATE PROCESSING APPARATUS AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE Sep 15, 2021 Pending
Array ( [id] => 17339347 [patent_doc_number] => 20220005678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => SUBSTRATE PROCESSING APPARATUS, REFLECTOR AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/475407 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9597 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17475407 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/475407
SUBSTRATE PROCESSING APPARATUS, REFLECTOR AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE Sep 14, 2021 Pending
Array ( [id] => 17339347 [patent_doc_number] => 20220005678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => SUBSTRATE PROCESSING APPARATUS, REFLECTOR AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/475407 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9597 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17475407 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/475407
SUBSTRATE PROCESSING APPARATUS, REFLECTOR AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE Sep 14, 2021 Pending
Array ( [id] => 19029875 [patent_doc_number] => 11929239 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-12 [patent_title] => Plasma processing apparatus and semiconductor device manufacturing method using the same [patent_app_type] => utility [patent_app_number] => 17/466184 [patent_app_country] => US [patent_app_date] => 2021-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 5771 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17466184 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/466184
Plasma processing apparatus and semiconductor device manufacturing method using the same Sep 2, 2021 Issued
Array ( [id] => 17274930 [patent_doc_number] => 20210381128 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => VAPOR PHASE GROWTH APPARATUS [patent_app_type] => utility [patent_app_number] => 17/411829 [patent_app_country] => US [patent_app_date] => 2021-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7359 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17411829 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/411829
VAPOR PHASE GROWTH APPARATUS Aug 24, 2021 Abandoned
Array ( [id] => 20414423 [patent_doc_number] => 12497696 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Gas supply structure and substrate processing apparatus [patent_app_type] => utility [patent_app_number] => 17/379273 [patent_app_country] => US [patent_app_date] => 2021-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1175 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 297 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17379273 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/379273
Gas supply structure and substrate processing apparatus Jul 18, 2021 Issued
Array ( [id] => 18406186 [patent_doc_number] => 20230167537 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => METAL MASK, EVAPORATION METHOD, DISPLAY PANEL AND DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/922785 [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] => 4773 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17922785 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/922785
METAL MASK, EVAPORATION METHOD, DISPLAY PANEL AND DISPLAY DEVICE Jul 4, 2021 Pending
Array ( [id] => 18406186 [patent_doc_number] => 20230167537 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => METAL MASK, EVAPORATION METHOD, DISPLAY PANEL AND DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/922785 [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] => 4773 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17922785 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/922785
METAL MASK, EVAPORATION METHOD, DISPLAY PANEL AND DISPLAY DEVICE Jul 4, 2021 Pending
Array ( [id] => 18615711 [patent_doc_number] => 20230282450 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => REMOTE PLASMA SOURCE SHOWERHEAD ASSEMBLY WITH ALUMINUM FLUORIDE PLASMA EXPOSED SURFACE [patent_app_type] => utility [patent_app_number] => 18/011582 [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] => 6609 [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] => 18011582 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/011582
REMOTE PLASMA SOURCE SHOWERHEAD ASSEMBLY WITH ALUMINUM FLUORIDE PLASMA EXPOSED SURFACE Jun 23, 2021 Abandoned
Array ( [id] => 18530375 [patent_doc_number] => 20230235445 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => COATING DEVICE FOR DEPOSITING A COATING MATERIAL ON A SUBSTRATE [patent_app_type] => utility [patent_app_number] => 18/014659 [patent_app_country] => US [patent_app_date] => 2021-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4956 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18014659 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/014659
COATING DEVICE FOR DEPOSITING A COATING MATERIAL ON A SUBSTRATE Jun 21, 2021 Pending
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