Search

Hanway Chang

Examiner (ID: 270, Phone: (571)270-5766 , Office: P/2881 )

Most Active Art Unit
2881
Art Unit(s)
2881, 4183, 2878
Total Applications
1116
Issued Applications
943
Pending Applications
84
Abandoned Applications
103

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18437905 [patent_doc_number] => 20230185200 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => CONTROL OF DYNAMIC GAS LOCK FLOW INLETS OF AN INTERMEDIATE FOCUS CAP [patent_app_type] => utility [patent_app_number] => 18/164959 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10629 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18164959 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/164959
Control of dynamic gas lock flow inlets of an intermediate focus cap Feb 5, 2023 Issued
Array ( [id] => 18374660 [patent_doc_number] => 20230149739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => RADIOTHERAPY SYSTEM AND METHOD FOR CONTROLLING SAFETY INTERLOCK THEREOF [patent_app_type] => utility [patent_app_number] => 18/099316 [patent_app_country] => US [patent_app_date] => 2023-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18210 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18099316 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/099316
RADIOTHERAPY SYSTEM AND METHOD FOR CONTROLLING SAFETY INTERLOCK THEREOF Jan 19, 2023 Pending
Array ( [id] => 19335500 [patent_doc_number] => 20240249930 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => Ion Beam Focusing [patent_app_type] => utility [patent_app_number] => 18/156502 [patent_app_country] => US [patent_app_date] => 2023-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8680 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18156502 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/156502
Ion Beam Focusing Jan 18, 2023 Pending
Array ( [id] => 20477913 [patent_doc_number] => 20260020134 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-15 [patent_title] => TARGET MATERIAL, HIGH-BRIGHTNESS EUV SOURCE AND METHOD FOR GENERATING EUV RADIATION [patent_app_type] => utility [patent_app_number] => 18/707625 [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] => 0 [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] => 18707625 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/707625
TARGET MATERIAL, HIGH-BRIGHTNESS EUV SOURCE AND METHOD FOR GENERATING EUV RADIATION Jan 16, 2023 Pending
Array ( [id] => 19446231 [patent_doc_number] => 12096543 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Method for using radiation source apparatus [patent_app_type] => utility [patent_app_number] => 18/151930 [patent_app_country] => US [patent_app_date] => 2023-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 11222 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18151930 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/151930
Method for using radiation source apparatus Jan 8, 2023 Issued
Array ( [id] => 18533140 [patent_doc_number] => 20230238215 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => CHARGED-PARTICLE MULTI-BEAM COLUMN, CHARGED-PARTICLE MULTI-BEAM COLUMN ARRAY, INSPECTION METHOD [patent_app_type] => utility [patent_app_number] => 18/150745 [patent_app_country] => US [patent_app_date] => 2023-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16719 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18150745 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/150745
CHARGED-PARTICLE MULTI-BEAM COLUMN, CHARGED-PARTICLE MULTI-BEAM COLUMN ARRAY, INSPECTION METHOD Jan 4, 2023 Pending
Array ( [id] => 19285586 [patent_doc_number] => 20240222063 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => CHARGED PARTICLE BEAM COLUMN, CHARGED PARTICLE BEAM CHROMATIC ABERRATION CORRECTOR, AND METHOD OF CORRECTING CHARGED PARTICLE BEAM CHROMATIC ABERRATION [patent_app_type] => utility [patent_app_number] => 18/091808 [patent_app_country] => US [patent_app_date] => 2022-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11333 [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] => 18091808 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/091808
CHARGED PARTICLE BEAM COLUMN, CHARGED PARTICLE BEAM CHROMATIC ABERRATION CORRECTOR, AND METHOD OF CORRECTING CHARGED PARTICLE BEAM CHROMATIC ABERRATION Dec 29, 2022 Pending
Array ( [id] => 18481068 [patent_doc_number] => 11694819 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-07-04 [patent_title] => Electromagnetic wave-trapping device [patent_app_type] => utility [patent_app_number] => 18/090379 [patent_app_country] => US [patent_app_date] => 2022-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 4872 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18090379 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/090379
Electromagnetic wave-trapping device Dec 27, 2022 Issued
Array ( [id] => 19889330 [patent_doc_number] => 20250114642 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => GANTRY CONFIGURED FOR TRANSLATIONAL MOVEMENT [patent_app_type] => utility [patent_app_number] => 18/726204 [patent_app_country] => US [patent_app_date] => 2022-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24408 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -35 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18726204 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/726204
GANTRY CONFIGURED FOR TRANSLATIONAL MOVEMENT Dec 27, 2022 Pending
Array ( [id] => 18488334 [patent_doc_number] => 20230215682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => ELECTROSTATIC MIRROR CHROMATIC ABERRATION CORRECTORS [patent_app_type] => utility [patent_app_number] => 18/083433 [patent_app_country] => US [patent_app_date] => 2022-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8863 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18083433 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/083433
ELECTROSTATIC MIRROR CHROMATIC ABERRATION CORRECTORS Dec 15, 2022 Pending
Array ( [id] => 19628651 [patent_doc_number] => 12167526 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Method and system for generating droplets for EUV photolithography processes [patent_app_type] => utility [patent_app_number] => 18/064858 [patent_app_country] => US [patent_app_date] => 2022-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 8216 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 18064858 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/064858
Method and system for generating droplets for EUV photolithography processes Dec 11, 2022 Issued
Array ( [id] => 18937583 [patent_doc_number] => 20240032722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => Electric Pot Capable of Sterilizing Remaining Water [patent_app_type] => utility [patent_app_number] => 18/063485 [patent_app_country] => US [patent_app_date] => 2022-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3852 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18063485 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/063485
Electric Pot Capable of Sterilizing Remaining Water Dec 7, 2022 Pending
Array ( [id] => 20116840 [patent_doc_number] => 12366540 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Device and method for measuring correlation between fatigue performance and microstructure of one-dimensional (1D) nanomaterial in situ in transmission electron microscope (TEM) [patent_app_type] => utility [patent_app_number] => 17/990962 [patent_app_country] => US [patent_app_date] => 2022-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [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] => 17990962 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/990962
Device and method for measuring correlation between fatigue performance and microstructure of one-dimensional (1D) nanomaterial in situ in transmission electron microscope (TEM) Nov 20, 2022 Issued
Array ( [id] => 19176025 [patent_doc_number] => 20240161999 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => Laser Thermal Epitaxy in a Charged Particle Microscope [patent_app_type] => utility [patent_app_number] => 18/054880 [patent_app_country] => US [patent_app_date] => 2022-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6027 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18054880 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/054880
Laser Thermal Epitaxy in a Charged Particle Microscope Nov 10, 2022 Pending
Array ( [id] => 19164822 [patent_doc_number] => 11980704 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Flexible ion generator device [patent_app_type] => utility [patent_app_number] => 17/978622 [patent_app_country] => US [patent_app_date] => 2022-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 10937 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17978622 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/978622
Flexible ion generator device Oct 31, 2022 Issued
Array ( [id] => 18363949 [patent_doc_number] => 20230145540 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => DEVICE FOR DESORPTION SCANNING OF ANALYTE MATERIAL ON A SAMPLE SUPPORT [patent_app_type] => utility [patent_app_number] => 18/051772 [patent_app_country] => US [patent_app_date] => 2022-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9545 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18051772 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/051772
Device for desorption scanning of analyte material on a sample support Oct 31, 2022 Issued
Array ( [id] => 19507784 [patent_doc_number] => 12119214 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Ion guide with varying multipoles [patent_app_type] => utility [patent_app_number] => 17/975493 [patent_app_country] => US [patent_app_date] => 2022-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 20 [patent_no_of_words] => 12404 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17975493 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/975493
Ion guide with varying multipoles Oct 26, 2022 Issued
Array ( [id] => 20804846 [patent_doc_number] => 12669752 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-30 [patent_title] => Extreme ultraviolet light generation system and electronic device manufacturing method [patent_app_type] => utility [patent_app_number] => 18/047587 [patent_app_country] => US [patent_app_date] => 2022-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 24 [patent_no_of_words] => 6379 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18047587 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/047587
Extreme ultraviolet light generation system and electronic device manufacturing method Oct 17, 2022 Issued
Array ( [id] => 18163541 [patent_doc_number] => 20230030134 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => EXTREME ULTRAVIOLET CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/963054 [patent_app_country] => US [patent_app_date] => 2022-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6614 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17963054 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/963054
Extreme ultraviolet control system Oct 9, 2022 Issued
Array ( [id] => 18178397 [patent_doc_number] => 20230039126 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => SYSTEM AND METHOD FOR SAFELY IRRADICATING PATHOGENS [patent_app_type] => utility [patent_app_number] => 17/955168 [patent_app_country] => US [patent_app_date] => 2022-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17955168 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/955168
System and method for safely irradicating pathogens Sep 27, 2022 Issued
Menu