Search

Hanway Chang

Examiner (ID: 19053, Phone: (571)270-5766 , Office: P/2881 )

Most Active Art Unit
2881
Art Unit(s)
2881, 4183
Total Applications
1086
Issued Applications
925
Pending Applications
96
Abandoned Applications
97

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18617626 [patent_doc_number] => 20230284366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => LITHOGRAPHY THERMAL CONTROL [patent_app_type] => utility [patent_app_number] => 18/298927 [patent_app_country] => US [patent_app_date] => 2023-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14825 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18298927 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/298927
Lithography thermal control Apr 10, 2023 Issued
Array ( [id] => 18694405 [patent_doc_number] => 20230324816 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => DEBRIS MITIGATION IN LASER PRODUCED PLASMAS USING THREE-DIMENSIONAL MAGNETIC NULLS [patent_app_type] => utility [patent_app_number] => 18/131473 [patent_app_country] => US [patent_app_date] => 2023-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18131473 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/131473
DEBRIS MITIGATION IN LASER PRODUCED PLASMAS USING THREE-DIMENSIONAL MAGNETIC NULLS Apr 5, 2023 Pending
Array ( [id] => 18661193 [patent_doc_number] => 20230307206 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => Charged Particle Beam Apparatus [patent_app_type] => utility [patent_app_number] => 18/121289 [patent_app_country] => US [patent_app_date] => 2023-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8340 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18121289 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/121289
Charged Particle Beam Apparatus Mar 13, 2023 Pending
Array ( [id] => 19507700 [patent_doc_number] => 12119129 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => EUV lithography apparatus [patent_app_type] => utility [patent_app_number] => 18/120905 [patent_app_country] => US [patent_app_date] => 2023-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 8627 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18120905 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/120905
EUV lithography apparatus Mar 12, 2023 Issued
Array ( [id] => 19495673 [patent_doc_number] => 12114411 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Apparatus and method for generating extreme ultraviolet radiation [patent_app_type] => utility [patent_app_number] => 18/118039 [patent_app_country] => US [patent_app_date] => 2023-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 19 [patent_no_of_words] => 7372 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18118039 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/118039
Apparatus and method for generating extreme ultraviolet radiation Mar 5, 2023 Issued
Array ( [id] => 18880949 [patent_doc_number] => 20240004318 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => EUV SOURCE STABILIZATION APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 18/118023 [patent_app_country] => US [patent_app_date] => 2023-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8618 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18118023 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/118023
EUV SOURCE STABILIZATION APPARATUS AND METHOD Mar 5, 2023 Pending
Array ( [id] => 18473008 [patent_doc_number] => 20230207296 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => SURFACE-ASSISTED LASER DESORPTION/IONIZATION METHOD, MASS SPECTROMETRY METHOD AND MASS SPECTROMETRY DEVICE [patent_app_type] => utility [patent_app_number] => 18/117632 [patent_app_country] => US [patent_app_date] => 2023-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9417 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18117632 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/117632
Surface-assisted laser desorption/ionization method, mass spectrometry method and mass spectrometry device Mar 5, 2023 Issued
Array ( [id] => 19107110 [patent_doc_number] => 11960210 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Laser interference fringe control for higher EUV light source and EUV throughput [patent_app_type] => utility [patent_app_number] => 18/114805 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 10963 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18114805 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/114805
Laser interference fringe control for higher EUV light source and EUV throughput Feb 26, 2023 Issued
Array ( [id] => 18456149 [patent_doc_number] => 20230197430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => MULTI-ATOMIC OBJECT CRYSTAL TRANSPORT THROUGH ATOMIC OBJECT CONFINEMENT APPARATUS JUNCTION [patent_app_type] => utility [patent_app_number] => 18/106434 [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] => 22091 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18106434 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/106434
Multi-atomic object crystal transport through atomic object confinement apparatus junction Feb 5, 2023 Issued
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] => 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] => 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] => 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] => 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] => 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
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