
Hanway Chang
Examiner (ID: 18322, Phone: (571)270-5766 , Office: P/2881 )
| Most Active Art Unit | 2881 |
| Art Unit(s) | 2881, 4183 |
| Total Applications | 1088 |
| Issued Applications | 928 |
| Pending Applications | 97 |
| Abandoned Applications | 98 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 19739585
[patent_doc_number] => 12216413
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-02-04
[patent_title] => Device and method to remove debris from an extreme ultraviolet (EUV) lithography system
[patent_app_type] => utility
[patent_app_number] => 18/231170
[patent_app_country] => US
[patent_app_date] => 2023-08-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 8
[patent_no_of_words] => 8199
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 53
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18231170
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/231170 | Device and method to remove debris from an extreme ultraviolet (EUV) lithography system | Aug 6, 2023 | Issued |
Array
(
[id] => 18787600
[patent_doc_number] => 20230375938
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-23
[patent_title] => EUV PHOTOLITHOGRAPHY SYSTEM FUEL SOURCE AND METHODS OF OPERATING THE SAME
[patent_app_type] => utility
[patent_app_number] => 18/366092
[patent_app_country] => US
[patent_app_date] => 2023-08-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7004
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 41
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18366092
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/366092 | EUV photolithography system fuel source and methods of operating the same | Aug 6, 2023 | Issued |
Array
(
[id] => 19757998
[patent_doc_number] => 20250046563
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-02-06
[patent_title] => MAGNETIC FOCUSING DEVICE LOW ENERGY ION BEAMS
[patent_app_type] => utility
[patent_app_number] => 18/362429
[patent_app_country] => US
[patent_app_date] => 2023-07-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9255
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 296
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18362429
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/362429 | MAGNETIC FOCUSING DEVICE LOW ENERGY ION BEAMS | Jul 30, 2023 | Pending |
Array
(
[id] => 19757998
[patent_doc_number] => 20250046563
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-02-06
[patent_title] => MAGNETIC FOCUSING DEVICE LOW ENERGY ION BEAMS
[patent_app_type] => utility
[patent_app_number] => 18/362429
[patent_app_country] => US
[patent_app_date] => 2023-07-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9255
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 296
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18362429
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/362429 | MAGNETIC FOCUSING DEVICE LOW ENERGY ION BEAMS | Jul 30, 2023 | Pending |
Array
(
[id] => 19757996
[patent_doc_number] => 20250046561
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-02-06
[patent_title] => ION GENERATORS OF ION IMPLANTERS WITH MOVABLE REPELLER
[patent_app_type] => utility
[patent_app_number] => 18/362897
[patent_app_country] => US
[patent_app_date] => 2023-07-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7454
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[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] => 18362897
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/362897 | ION GENERATORS OF ION IMPLANTERS WITH MOVABLE REPELLER | Jul 30, 2023 | Pending |
Array
(
[id] => 19749400
[patent_doc_number] => 20250037965
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-01-30
[patent_title] => METHOD OF DETERMINING A BEAM CONVERGENCE OF A CHARGED PARTICLE BEAM, AND CHARGED PARTICLE BEAM SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/225283
[patent_app_country] => US
[patent_app_date] => 2023-07-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11274
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[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] => 18225283
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/225283 | METHOD OF DETERMINING A BEAM CONVERGENCE OF A CHARGED PARTICLE BEAM, AND CHARGED PARTICLE BEAM SYSTEM | Jul 23, 2023 | Pending |
Array
(
[id] => 19749400
[patent_doc_number] => 20250037965
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-01-30
[patent_title] => METHOD OF DETERMINING A BEAM CONVERGENCE OF A CHARGED PARTICLE BEAM, AND CHARGED PARTICLE BEAM SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/225283
[patent_app_country] => US
[patent_app_date] => 2023-07-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11274
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[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] => 18225283
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/225283 | METHOD OF DETERMINING A BEAM CONVERGENCE OF A CHARGED PARTICLE BEAM, AND CHARGED PARTICLE BEAM SYSTEM | Jul 23, 2023 | Pending |
Array
(
[id] => 19204348
[patent_doc_number] => 20240176247
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-05-30
[patent_title] => EUV LIGHT UNIFORMITY CONTROL APPARATUS, EUV EXPOSURE EQUIPMENT INCLUDING THE SAME, AND METHOD OF CONTROLLING EUV LIGHT UNIFORMITY BY USING THE CONTROL APPARATUS
[patent_app_type] => utility
[patent_app_number] => 18/216142
[patent_app_country] => US
[patent_app_date] => 2023-06-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8713
[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] => 18216142
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/216142 | EUV LIGHT UNIFORMITY CONTROL APPARATUS, EUV EXPOSURE EQUIPMENT INCLUDING THE SAME, AND METHOD OF CONTROLLING EUV LIGHT UNIFORMITY BY USING THE CONTROL APPARATUS | Jun 28, 2023 | Pending |
Array
(
[id] => 19204348
[patent_doc_number] => 20240176247
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-05-30
[patent_title] => EUV LIGHT UNIFORMITY CONTROL APPARATUS, EUV EXPOSURE EQUIPMENT INCLUDING THE SAME, AND METHOD OF CONTROLLING EUV LIGHT UNIFORMITY BY USING THE CONTROL APPARATUS
[patent_app_type] => utility
[patent_app_number] => 18/216142
[patent_app_country] => US
[patent_app_date] => 2023-06-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8713
[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] => 18216142
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/216142 | EUV LIGHT UNIFORMITY CONTROL APPARATUS, EUV EXPOSURE EQUIPMENT INCLUDING THE SAME, AND METHOD OF CONTROLLING EUV LIGHT UNIFORMITY BY USING THE CONTROL APPARATUS | Jun 28, 2023 | Pending |
Array
(
[id] => 19102649
[patent_doc_number] => 20240121877
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-04-11
[patent_title] => EXTREME ULTRAVIOLET LIGHT SOURCE DEVICE
[patent_app_type] => utility
[patent_app_number] => 18/338789
[patent_app_country] => US
[patent_app_date] => 2023-06-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6309
[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] => 18338789
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/338789 | EXTREME ULTRAVIOLET LIGHT SOURCE DEVICE | Jun 20, 2023 | Pending |
Array
(
[id] => 19492568
[patent_doc_number] => 12111272
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-10-08
[patent_title] => System for estimating the occurrence of defects, and computer-readable medium
[patent_app_type] => utility
[patent_app_number] => 18/212346
[patent_app_country] => US
[patent_app_date] => 2023-06-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 22
[patent_no_of_words] => 9544
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 125
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18212346
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/212346 | System for estimating the occurrence of defects, and computer-readable medium | Jun 20, 2023 | Issued |
Array
(
[id] => 19644562
[patent_doc_number] => 20240419082
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-12-19
[patent_title] => LITHOGRAPHY SYSTEM AND METHODS
[patent_app_type] => utility
[patent_app_number] => 18/336859
[patent_app_country] => US
[patent_app_date] => 2023-06-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7581
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 83
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18336859
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/336859 | LITHOGRAPHY SYSTEM AND METHODS | Jun 15, 2023 | Pending |
Array
(
[id] => 19086079
[patent_doc_number] => 20240112880
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-04-04
[patent_title] => METHOD OF PROCESSING ION BEAM BASED ON OPTICAL MICROSCOPY IMAGING
[patent_app_type] => utility
[patent_app_number] => 18/334995
[patent_app_country] => US
[patent_app_date] => 2023-06-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6079
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -13
[patent_words_short_claim] => 124
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18334995
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/334995 | METHOD OF PROCESSING ION BEAM BASED ON OPTICAL MICROSCOPY IMAGING | Jun 13, 2023 | Pending |
Array
(
[id] => 19634450
[patent_doc_number] => 20240412899
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-12-12
[patent_title] => SELF-CENTERING VOLTAGE STANDOFF
[patent_app_type] => utility
[patent_app_number] => 18/206907
[patent_app_country] => US
[patent_app_date] => 2023-06-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6205
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 56
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18206907
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/206907 | SELF-CENTERING VOLTAGE STANDOFF | Jun 6, 2023 | Pending |
Array
(
[id] => 19634450
[patent_doc_number] => 20240412899
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-12-12
[patent_title] => SELF-CENTERING VOLTAGE STANDOFF
[patent_app_type] => utility
[patent_app_number] => 18/206907
[patent_app_country] => US
[patent_app_date] => 2023-06-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6205
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 56
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18206907
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/206907 | SELF-CENTERING VOLTAGE STANDOFF | Jun 6, 2023 | Pending |
Array
(
[id] => 18696275
[patent_doc_number] => 20230326711
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-10-12
[patent_title] => SYSTEM AND METHOD FOR GENERATING AND ANALYZING ROUGHNESS MEASUREMENTS
[patent_app_type] => utility
[patent_app_number] => 18/329325
[patent_app_country] => US
[patent_app_date] => 2023-06-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 20314
[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] => 18329325
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/329325 | SYSTEM AND METHOD FOR GENERATING AND ANALYZING ROUGHNESS MEASUREMENTS | Jun 4, 2023 | Abandoned |
Array
(
[id] => 18696275
[patent_doc_number] => 20230326711
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-10-12
[patent_title] => SYSTEM AND METHOD FOR GENERATING AND ANALYZING ROUGHNESS MEASUREMENTS
[patent_app_type] => utility
[patent_app_number] => 18/329325
[patent_app_country] => US
[patent_app_date] => 2023-06-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 20314
[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] => 18329325
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/329325 | SYSTEM AND METHOD FOR GENERATING AND ANALYZING ROUGHNESS MEASUREMENTS | Jun 4, 2023 | Abandoned |
Array
(
[id] => 18989197
[patent_doc_number] => 20240061166
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-02-22
[patent_title] => HIGH DENSITY ENERGY DIRECTING DEVICE
[patent_app_type] => utility
[patent_app_number] => 18/199483
[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] => 15443
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -16
[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] => 18199483
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/199483 | High density energy directing device | May 18, 2023 | Issued |
Array
(
[id] => 19559810
[patent_doc_number] => 20240371602
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-11-07
[patent_title] => Heated Plasma Flood Gun Sweeper
[patent_app_type] => utility
[patent_app_number] => 18/143666
[patent_app_country] => US
[patent_app_date] => 2023-05-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3631
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -13
[patent_words_short_claim] => 68
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143666
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/143666 | Heated Plasma Flood Gun Sweeper | May 4, 2023 | Pending |
Array
(
[id] => 18598726
[patent_doc_number] => 20230273525
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-08-31
[patent_title] => METHOD AND APPARATUS FOR MITIGATING CONTAMINATION
[patent_app_type] => utility
[patent_app_number] => 18/142500
[patent_app_country] => US
[patent_app_date] => 2023-05-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7327
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 87
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18142500
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/142500 | Method and apparatus for mitigating contamination | May 1, 2023 | Issued |