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] => 20231388 [patent_doc_number] => 20250288707 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => SYSTEMS AND METHODS FOR DISINFECTION [patent_app_type] => utility [patent_app_number] => 19/227137 [patent_app_country] => US [patent_app_date] => 2025-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7742 [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] => 19227137 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/227137
SYSTEMS AND METHODS FOR DISINFECTION Jun 2, 2025 Pending
Array ( [id] => 20139352 [patent_doc_number] => 20250246396 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => HIGH TEMPERATURE ION SOURCE [patent_app_type] => utility [patent_app_number] => 19/039069 [patent_app_country] => US [patent_app_date] => 2025-01-28 [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] => -17 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19039069 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/039069
High temperature ion source Jan 27, 2025 Issued
Array ( [id] => 19852705 [patent_doc_number] => 20250098056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => LIGHT SOURCE SYSTEM AND METHOD OF OPERATION [patent_app_type] => utility [patent_app_number] => 18/959313 [patent_app_country] => US [patent_app_date] => 2024-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16900 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18959313 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/959313
Light source system and method of operation Nov 24, 2024 Issued
Array ( [id] => 19868187 [patent_doc_number] => 20250106973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => SAPPHIRE LAMP FOR LASER SUSTAINED PLASMA BROADBAND LIGHT SOURCE [patent_app_type] => utility [patent_app_number] => 18/884880 [patent_app_country] => US [patent_app_date] => 2024-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6257 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18884880 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/884880
SAPPHIRE LAMP FOR LASER SUSTAINED PLASMA BROADBAND LIGHT SOURCE Sep 12, 2024 Pending
Array ( [id] => 19799076 [patent_doc_number] => 20250065001 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => SYSTEMS AND METHODS FOR DISINFECTION [patent_app_type] => utility [patent_app_number] => 18/822120 [patent_app_country] => US [patent_app_date] => 2024-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12419 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18822120 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/822120
SYSTEMS AND METHODS FOR DISINFECTION Aug 30, 2024 Pending
Array ( [id] => 19694422 [patent_doc_number] => 20250012967 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => HIGH DENSITY ENERGY DIRECTING DEVICE [patent_app_type] => utility [patent_app_number] => 18/768681 [patent_app_country] => US [patent_app_date] => 2024-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15461 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18768681 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/768681
HIGH DENSITY ENERGY DIRECTING DEVICE Jul 9, 2024 Abandoned
Array ( [id] => 19947160 [patent_doc_number] => 12318498 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Systems and methods for disinfection [patent_app_type] => utility [patent_app_number] => 18/750933 [patent_app_country] => US [patent_app_date] => 2024-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 7742 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18750933 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/750933
Systems and methods for disinfection Jun 20, 2024 Issued
Array ( [id] => 19496157 [patent_doc_number] => 20240335175 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => Radioabsorbent Assemblies [patent_app_type] => utility [patent_app_number] => 18/745833 [patent_app_country] => US [patent_app_date] => 2024-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8683 [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] => 18745833 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/745833
Radioabsorbent Assemblies Jun 16, 2024 Pending
Array ( [id] => 19470420 [patent_doc_number] => 20240324090 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => METHODS OF GENERATING EXTREME ULTRAVIOLET RADIATION [patent_app_type] => utility [patent_app_number] => 18/678254 [patent_app_country] => US [patent_app_date] => 2024-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7150 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18678254 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/678254
METHODS OF GENERATING EXTREME ULTRAVIOLET RADIATION May 29, 2024 Pending
Array ( [id] => 19452627 [patent_doc_number] => 20240312757 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => SYSTEM AND METHOD FOR GENERATING AND ANALYZING ROUGHNESS MEASUREMENTS AND THEIR USE FOR PROCESS MONITORING AND CONTROL [patent_app_type] => utility [patent_app_number] => 18/674153 [patent_app_country] => US [patent_app_date] => 2024-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23250 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18674153 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/674153
SYSTEM AND METHOD FOR GENERATING AND ANALYZING ROUGHNESS MEASUREMENTS AND THEIR USE FOR PROCESS MONITORING AND CONTROL May 23, 2024 Pending
Array ( [id] => 19419702 [patent_doc_number] => 20240295825 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => Lithography Apparatus and Method [patent_app_type] => utility [patent_app_number] => 18/660862 [patent_app_country] => US [patent_app_date] => 2024-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8004 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18660862 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/660862
Lithography apparatus and method May 9, 2024 Issued
Array ( [id] => 19640430 [patent_doc_number] => 12171054 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-17 [patent_title] => EUV light source with a beam positioning device [patent_app_type] => utility [patent_app_number] => 18/644458 [patent_app_country] => US [patent_app_date] => 2024-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 5683 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18644458 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/644458
EUV light source with a beam positioning device Apr 23, 2024 Issued
Array ( [id] => 19349128 [patent_doc_number] => 20240258092 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => PLASMA GENERATING DEVICE [patent_app_type] => utility [patent_app_number] => 18/635131 [patent_app_country] => US [patent_app_date] => 2024-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5409 [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] => 18635131 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/635131
Plasma generating device Apr 14, 2024 Issued
Array ( [id] => 19725199 [patent_doc_number] => 20250027950 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => Integrated Sample Processing System with Multiple Detection Capability [patent_app_type] => utility [patent_app_number] => 18/630611 [patent_app_country] => US [patent_app_date] => 2024-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19694 [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] => 18630611 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/630611
Integrated Sample Processing System with Multiple Detection Capability Apr 8, 2024 Pending
Array ( [id] => 20228742 [patent_doc_number] => 12417395 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Decreased crosstalk atomic object detection [patent_app_type] => utility [patent_app_number] => 18/618543 [patent_app_country] => US [patent_app_date] => 2024-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 9850 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18618543 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/618543
Decreased crosstalk atomic object detection Mar 26, 2024 Issued
Array ( [id] => 20226371 [patent_doc_number] => 12415011 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Flexible ion generator device [patent_app_type] => utility [patent_app_number] => 18/608243 [patent_app_country] => US [patent_app_date] => 2024-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 6058 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18608243 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/608243
Flexible ion generator device Mar 17, 2024 Issued
Array ( [id] => 19333976 [patent_doc_number] => 20240248406 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => METHOD OF MANUFACTURING INTEGRATED CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/597563 [patent_app_country] => US [patent_app_date] => 2024-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10995 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18597563 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/597563
Method of manufacturing integrated circuit Mar 5, 2024 Issued
Array ( [id] => 19333976 [patent_doc_number] => 20240248406 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => METHOD OF MANUFACTURING INTEGRATED CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/597563 [patent_app_country] => US [patent_app_date] => 2024-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10995 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18597563 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/597563
Method of manufacturing integrated circuit Mar 5, 2024 Issued
Array ( [id] => 19068961 [patent_doc_number] => 20240103387 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => APPARATUS FOR AND METHOD OF REDUCING CONTAMINATION FROM SOURCE MATERIAL IN AN EUV LIGHT SOURCE [patent_app_type] => utility [patent_app_number] => 18/528933 [patent_app_country] => US [patent_app_date] => 2023-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6102 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18528933 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/528933
APPARATUS FOR AND METHOD OF REDUCING CONTAMINATION FROM SOURCE MATERIAL IN AN EUV LIGHT SOURCE Dec 4, 2023 Pending
Array ( [id] => 19068961 [patent_doc_number] => 20240103387 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => APPARATUS FOR AND METHOD OF REDUCING CONTAMINATION FROM SOURCE MATERIAL IN AN EUV LIGHT SOURCE [patent_app_type] => utility [patent_app_number] => 18/528933 [patent_app_country] => US [patent_app_date] => 2023-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6102 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18528933 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/528933
APPARATUS FOR AND METHOD OF REDUCING CONTAMINATION FROM SOURCE MATERIAL IN AN EUV LIGHT SOURCE Dec 4, 2023 Pending
Menu