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] => 18221631 [patent_doc_number] => 20230060625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => APPARATUS AND METHOD FOR GENERATING EXTREME ULTRAVIOLET RADIATION [patent_app_type] => utility [patent_app_number] => 17/460108 [patent_app_country] => US [patent_app_date] => 2021-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7344 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17460108 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/460108
Apparatus and method for generating extreme ultraviolet radiation Aug 26, 2021 Issued
Array ( [id] => 18880948 [patent_doc_number] => 20240004317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => ROTARY FOIL TRAP AND LIGHT SOURCE DEVICE [patent_app_type] => utility [patent_app_number] => 18/038514 [patent_app_country] => US [patent_app_date] => 2021-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11961 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18038514 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/038514
ROTARY FOIL TRAP AND LIGHT SOURCE DEVICE Aug 22, 2021 Abandoned
Array ( [id] => 18863735 [patent_doc_number] => 20230418171 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => FOIL TRAP COVER DEVICE AND DEBRIS REDUCTION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/252522 [patent_app_country] => US [patent_app_date] => 2021-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13592 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18252522 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/252522
FOIL TRAP COVER DEVICE AND DEBRIS REDUCTION APPARATUS Aug 22, 2021 Abandoned
Array ( [id] => 18212489 [patent_doc_number] => 20230058753 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => SEMICONDUCTOR PROCESSING TOOL AND METHODS OF OPERATION [patent_app_type] => utility [patent_app_number] => 17/445430 [patent_app_country] => US [patent_app_date] => 2021-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17445430 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/445430
Semiconductor processing tool and methods of operation Aug 18, 2021 Issued
Array ( [id] => 18411764 [patent_doc_number] => 11666290 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-06 [patent_title] => Radioabsorbent assemblies [patent_app_type] => utility [patent_app_number] => 17/402260 [patent_app_country] => US [patent_app_date] => 2021-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 32 [patent_no_of_words] => 8634 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17402260 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/402260
Radioabsorbent assemblies Aug 12, 2021 Issued
Array ( [id] => 18985502 [patent_doc_number] => 11910715 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Method and apparatus for poling polymer thin films [patent_app_type] => utility [patent_app_number] => 17/400039 [patent_app_country] => US [patent_app_date] => 2021-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 27 [patent_no_of_words] => 12408 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17400039 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/400039
Method and apparatus for poling polymer thin films Aug 10, 2021 Issued
Array ( [id] => 18702866 [patent_doc_number] => 11789374 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-17 [patent_title] => Extreme ultraviolet light generation apparatus and electronic device manufacturing method [patent_app_type] => utility [patent_app_number] => 17/397554 [patent_app_country] => US [patent_app_date] => 2021-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 20 [patent_no_of_words] => 9850 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17397554 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/397554
Extreme ultraviolet light generation apparatus and electronic device manufacturing method Aug 8, 2021 Issued
Array ( [id] => 18016259 [patent_doc_number] => 11508565 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-22 [patent_title] => Ion guide device and ion guide method [patent_app_type] => utility [patent_app_number] => 17/393507 [patent_app_country] => US [patent_app_date] => 2021-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 7222 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17393507 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/393507
Ion guide device and ion guide method Aug 3, 2021 Issued
Array ( [id] => 17522353 [patent_doc_number] => 20220108202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => DECREASED CROSSTALK ATOMIC OBJECT DETECTION [patent_app_type] => utility [patent_app_number] => 17/393011 [patent_app_country] => US [patent_app_date] => 2021-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15590 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17393011 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/393011
Decreased crosstalk atomic object detection Aug 2, 2021 Issued
Array ( [id] => 18054005 [patent_doc_number] => 11527397 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-13 [patent_title] => Desorption ion source with dopant-gas assisted ionization [patent_app_type] => utility [patent_app_number] => 17/392592 [patent_app_country] => US [patent_app_date] => 2021-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 6449 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17392592 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/392592
Desorption ion source with dopant-gas assisted ionization Aug 2, 2021 Issued
Array ( [id] => 18125195 [patent_doc_number] => 20230010810 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-12 [patent_title] => SYSTEM AND METHOD FOR SUPPLYING TARGET MATERIAL IN AN EUV LIGHT SOURCE [patent_app_type] => utility [patent_app_number] => 17/372294 [patent_app_country] => US [patent_app_date] => 2021-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5915 [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] => 17372294 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/372294
System and method for supplying target material in an EUV light source Jul 8, 2021 Issued
Array ( [id] => 18629931 [patent_doc_number] => 20230288821 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => EXTREME ULTRAVIOLET LIGHT SOURCE APPARATUS [patent_app_type] => utility [patent_app_number] => 18/018960 [patent_app_country] => US [patent_app_date] => 2021-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8230 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18018960 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/018960
EXTREME ULTRAVIOLET LIGHT SOURCE APPARATUS Jul 8, 2021 Abandoned
Array ( [id] => 17389289 [patent_doc_number] => 20220037141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => MASS SPECTROMETRY [patent_app_type] => utility [patent_app_number] => 17/372034 [patent_app_country] => US [patent_app_date] => 2021-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16991 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17372034 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/372034
Mass spectrometry Jul 8, 2021 Issued
Array ( [id] => 18122171 [patent_doc_number] => 11553581 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Radiation source apparatus and method for using the same [patent_app_type] => utility [patent_app_number] => 17/369740 [patent_app_country] => US [patent_app_date] => 2021-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 11344 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17369740 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/369740
Radiation source apparatus and method for using the same Jul 6, 2021 Issued
Array ( [id] => 18971758 [patent_doc_number] => 20240051850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => UVC IRRADIATION TREATMENT CONTAINER [patent_app_type] => utility [patent_app_number] => 18/013655 [patent_app_country] => US [patent_app_date] => 2021-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5422 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18013655 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/013655
UVC IRRADIATION TREATMENT CONTAINER Jun 29, 2021 Pending
Array ( [id] => 17227230 [patent_doc_number] => 20210353786 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-18 [patent_title] => HANDHELD UV-C SANITIZING APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 17/357893 [patent_app_country] => US [patent_app_date] => 2021-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7887 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17357893 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/357893
HANDHELD UV-C SANITIZING APPARATUS AND METHOD Jun 23, 2021 Pending
Array ( [id] => 18396679 [patent_doc_number] => 20230164900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => APPARATUS FOR AND METHOD OF ACCELERATING DROPLETS IN A DROPLET GENERATOR FOR AN EUV SOURCE [patent_app_type] => utility [patent_app_number] => 18/011593 [patent_app_country] => US [patent_app_date] => 2021-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8550 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -34 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18011593 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/011593
APPARATUS FOR AND METHOD OF ACCELERATING DROPLETS IN A DROPLET GENERATOR FOR AN EUV SOURCE Jun 20, 2021 Pending
Array ( [id] => 18917579 [patent_doc_number] => 11879855 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Muon tomography for 3D nondestructive examination [patent_app_type] => utility [patent_app_number] => 17/349579 [patent_app_country] => US [patent_app_date] => 2021-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1302 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17349579 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/349579
Muon tomography for 3D nondestructive examination Jun 15, 2021 Issued
Array ( [id] => 18498574 [patent_doc_number] => 20230221282 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => METHOD FOR DETECTING ANALYTES [patent_app_type] => utility [patent_app_number] => 18/000876 [patent_app_country] => US [patent_app_date] => 2021-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11334 [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] => 18000876 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/000876
Method for detecting analytes Jun 14, 2021 Issued
Array ( [id] => 18034743 [patent_doc_number] => 20220378958 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => 222 NM EXCIMER BULB FOR UV LIGHT DISINFECTION: ENERGY HARVESTING DUAL PURPOSE MONITORING TEMPERATURE AS A PHM SENSOR [patent_app_type] => utility [patent_app_number] => 17/334042 [patent_app_country] => US [patent_app_date] => 2021-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4080 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17334042 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/334042
Energy harvesting dual purpose monitoring temperature as a PHM sensor May 27, 2021 Issued
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