Search

Hsien C. Tsai

Examiner (ID: 16195, Phone: (571)272-7438 , Office: P/2881 )

Most Active Art Unit
2881
Art Unit(s)
2881
Total Applications
516
Issued Applications
440
Pending Applications
35
Abandoned Applications
53

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18889084 [patent_doc_number] => 11867852 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-09 [patent_title] => Photonic chip based atomic sensors [patent_app_type] => utility [patent_app_number] => 18/340396 [patent_app_country] => US [patent_app_date] => 2023-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5182 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18340396 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/340396
Photonic chip based atomic sensors Jun 22, 2023 Issued
Array ( [id] => 19596910 [patent_doc_number] => 12154763 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Hydraulic feed system for an ion source [patent_app_type] => utility [patent_app_number] => 18/336337 [patent_app_country] => US [patent_app_date] => 2023-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 10436 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18336337 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/336337
Hydraulic feed system for an ion source Jun 15, 2023 Issued
Array ( [id] => 19346503 [patent_doc_number] => 20240255466 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => FLOW RECIRCULATION FOR MOBILITY SEPARATION IMPROVEMENT [patent_app_type] => utility [patent_app_number] => 18/327698 [patent_app_country] => US [patent_app_date] => 2023-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4522 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18327698 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/327698
Flow recirculation for mobility separation improvement May 31, 2023 Issued
Array ( [id] => 19108514 [patent_doc_number] => 11961627 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Vacuum chamber arrangement for charged particle beam generator [patent_app_type] => utility [patent_app_number] => 18/326935 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 25 [patent_no_of_words] => 17652 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18326935 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/326935
Vacuum chamber arrangement for charged particle beam generator May 30, 2023 Issued
Array ( [id] => 18812442 [patent_doc_number] => 20230386779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => SAMPLE HOLDER, LOADING DEVICE, AND METHOD FOR INSERTING A SAMPLE INTO A SAMPLE HOLDER [patent_app_type] => utility [patent_app_number] => 18/320212 [patent_app_country] => US [patent_app_date] => 2023-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10775 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18320212 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/320212
Sample holder, loading device, and method for inserting a sample into a sample holder May 18, 2023 Issued
Array ( [id] => 20360082 [patent_doc_number] => 12476087 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => System and method for ion source temperature control using symmetric or asymmetric application of force [patent_app_type] => utility [patent_app_number] => 18/143684 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 1207 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143684 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143684
System and method for ion source temperature control using symmetric or asymmetric application of force May 4, 2023 Issued
Array ( [id] => 18570401 [patent_doc_number] => 20230260738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => REFILLABLE ION CHAMBER WITH AUTOMATED PURGING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/306381 [patent_app_country] => US [patent_app_date] => 2023-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5485 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18306381 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/306381
Refillable ion chamber with automated purging system Apr 24, 2023 Issued
Array ( [id] => 19531677 [patent_doc_number] => 20240355579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => HEIGHT SENSING SYSTEM FOR ELECTRON BEAM METROLOGY TOOL [patent_app_type] => utility [patent_app_number] => 18/138709 [patent_app_country] => US [patent_app_date] => 2023-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3722 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18138709 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/138709
HEIGHT SENSING SYSTEM FOR ELECTRON BEAM METROLOGY TOOL Apr 23, 2023 Pending
Array ( [id] => 19023035 [patent_doc_number] => 20240079206 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => SCANNING ELECTRON MICROSCOPE (SEM) MEASUREMENT METHOD AND APPARATUS [patent_app_type] => utility [patent_app_number] => 18/301568 [patent_app_country] => US [patent_app_date] => 2023-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9146 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18301568 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/301568
Scanning electron microscope (SEM) measurement method and apparatus Apr 16, 2023 Issued
Array ( [id] => 18774184 [patent_doc_number] => 20230369015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => COVERAGE CALCULATING METHOD, CHARGED PARTICLE BEAM WRITING METHOD, COVERAGE CALCULATING DEVICE, CHARGED PARTICLE BEAM WRITING APPARATUS, AND COMPUTER-READABLE STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/299749 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4756 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18299749 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/299749
Coverage calculating method, charged particle beam writing method, coverage calculating device, charged particle beam writing apparatus, and computer-readable storage medium Apr 12, 2023 Issued
Array ( [id] => 20716338 [patent_doc_number] => 12631580 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Method for analyzing quality of thin surface layer of PCB [patent_app_type] => utility [patent_app_number] => 18/300165 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 352 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18300165 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/300165
Method for analyzing quality of thin surface layer of PCB Apr 12, 2023 Issued
Array ( [id] => 20305326 [patent_doc_number] => 12451323 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Flow for high resolution stereoscopic measurements [patent_app_type] => utility [patent_app_number] => 18/131840 [patent_app_country] => US [patent_app_date] => 2023-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 19 [patent_no_of_words] => 5049 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18131840 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/131840
Flow for high resolution stereoscopic measurements Apr 5, 2023 Issued
Array ( [id] => 20581330 [patent_doc_number] => 12573584 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Stage device, charged particle beam device, and vacuum device [patent_app_type] => utility [patent_app_number] => 18/296103 [patent_app_country] => US [patent_app_date] => 2023-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 0 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18296103 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/296103
Stage device, charged particle beam device, and vacuum device Apr 4, 2023 Issued
Array ( [id] => 19407083 [patent_doc_number] => 20240290594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => METHOD FOR EVALUATING THERMIONIC ELECTRON EMITTER IN SITU [patent_app_type] => utility [patent_app_number] => 18/176195 [patent_app_country] => US [patent_app_date] => 2023-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5805 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18176195 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/176195
METHOD FOR EVALUATING THERMIONIC ELECTRON EMITTER IN SITU Feb 27, 2023 Abandoned
Array ( [id] => 18600123 [patent_doc_number] => 20230274924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => METHOD AND APPARATUS OF MASS ANALYSING POSITIVELY CHARGED IONS AND NEGATIVELY CHARGED IONS [patent_app_type] => utility [patent_app_number] => 18/114674 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20390 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18114674 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/114674
METHOD AND APPARATUS OF MASS ANALYSING POSITIVELY CHARGED IONS AND NEGATIVELY CHARGED IONS Feb 26, 2023 Pending
Array ( [id] => 18394744 [patent_doc_number] => 20230162965 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => SYSTEMS AND METHODS FOR CONDUCTING REACTIONS AND SCREENING FOR REACTION PRODUCTS [patent_app_type] => utility [patent_app_number] => 18/101265 [patent_app_country] => US [patent_app_date] => 2023-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5762 [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] => 18101265 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/101265
Systems and methods for conducting reactions and screening for reaction products Jan 24, 2023 Issued
Array ( [id] => 18379632 [patent_doc_number] => 20230154721 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => ION GUN AND VACUUM PROCESSING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/155177 [patent_app_country] => US [patent_app_date] => 2023-01-17 [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] => -21 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18155177 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/155177
Ion gun and vacuum processing apparatus Jan 16, 2023 Issued
Array ( [id] => 20229241 [patent_doc_number] => 12417896 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Multi-electron beam writing apparatus and multi-electron beam writing method [patent_app_type] => utility [patent_app_number] => 18/148761 [patent_app_country] => US [patent_app_date] => 2022-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 24 [patent_no_of_words] => 8351 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18148761 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/148761
Multi-electron beam writing apparatus and multi-electron beam writing method Dec 29, 2022 Issued
Array ( [id] => 20345938 [patent_doc_number] => 12469673 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Mems platform for thin film nanomechanics characterization [patent_app_type] => utility [patent_app_number] => 18/082543 [patent_app_country] => US [patent_app_date] => 2022-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 20 [patent_no_of_words] => 6177 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18082543 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/082543
Mems platform for thin film nanomechanics characterization Dec 14, 2022 Issued
Array ( [id] => 19146199 [patent_doc_number] => 20240145228 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => ION SOURCES FOR IMPROVED ROBUSTNESS [patent_app_type] => utility [patent_app_number] => 18/050532 [patent_app_country] => US [patent_app_date] => 2022-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4079 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 18050532 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/050532
Ion sources for improved robustness Oct 27, 2022 Issued
Menu