Search

Chau N Nguyen

Examiner (ID: 17964, Phone: (571)272-1980 , Office: P/2847 )

Most Active Art Unit
2831
Art Unit(s)
2831, 2835, 2841, 3621, 2109, 2950, 2847
Total Applications
2818
Issued Applications
1931
Pending Applications
187
Abandoned Applications
700

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18234473 [patent_doc_number] => 11599029 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Reticle transfer device and exposure system [patent_app_type] => utility [patent_app_number] => 17/542831 [patent_app_country] => US [patent_app_date] => 2021-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6078 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17542831 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/542831
Reticle transfer device and exposure system Dec 5, 2021 Issued
Array ( [id] => 17475444 [patent_doc_number] => 20220082948 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => LITHOGRAPHIC APPARATUS AND A METHOD OF OPERATING THE APPARATUS [patent_app_type] => utility [patent_app_number] => 17/531953 [patent_app_country] => US [patent_app_date] => 2021-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17766 [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] => 17531953 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/531953
LITHOGRAPHIC APPARATUS AND A METHOD OF OPERATING THE APPARATUS Nov 21, 2021 Pending
Array ( [id] => 17599283 [patent_doc_number] => 20220148857 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => DETECTION DEVICE, PROCESSING SYSTEM, AND TRANSFER METHOD [patent_app_type] => utility [patent_app_number] => 17/524950 [patent_app_country] => US [patent_app_date] => 2021-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6815 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17524950 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/524950
DETECTION DEVICE, PROCESSING SYSTEM, AND TRANSFER METHOD Nov 11, 2021 Pending
Array ( [id] => 19168453 [patent_doc_number] => 11984366 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Measurement device and method for semiconductor structure [patent_app_type] => utility [patent_app_number] => 17/509126 [patent_app_country] => US [patent_app_date] => 2021-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 8111 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17509126 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/509126
Measurement device and method for semiconductor structure Oct 24, 2021 Issued
Array ( [id] => 18006676 [patent_doc_number] => 20220365442 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => SEMICONDUCTOR PROCESSING TOOL AND METHODS OF OPERATION [patent_app_type] => utility [patent_app_number] => 17/450100 [patent_app_country] => US [patent_app_date] => 2021-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8637 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17450100 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/450100
Semiconductor processing tool and methods of operation Oct 5, 2021 Issued
Array ( [id] => 18247836 [patent_doc_number] => 11604417 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-14 [patent_title] => Method for detecting flare degree of lens of exposure machine [patent_app_type] => utility [patent_app_number] => 17/492786 [patent_app_country] => US [patent_app_date] => 2021-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5657 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17492786 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/492786
Method for detecting flare degree of lens of exposure machine Oct 3, 2021 Issued
Array ( [id] => 18479588 [patent_doc_number] => 11693324 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-04 [patent_title] => System and method for detecting debris in a photolithography system [patent_app_type] => utility [patent_app_number] => 17/484945 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 18 [patent_no_of_words] => 12021 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17484945 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/484945
System and method for detecting debris in a photolithography system Sep 23, 2021 Issued
Array ( [id] => 17521636 [patent_doc_number] => 20220107485 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => LIGHT SOURCE APPARATUS, EXPOSURE APPARATUS, AND ARTICLE MANUFACTURING METHOD [patent_app_type] => utility [patent_app_number] => 17/482812 [patent_app_country] => US [patent_app_date] => 2021-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5538 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17482812 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/482812
LIGHT SOURCE APPARATUS, EXPOSURE APPARATUS, AND ARTICLE MANUFACTURING METHOD Sep 22, 2021 Pending
Array ( [id] => 17689277 [patent_doc_number] => 20220196570 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => MEASUREMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 17/483150 [patent_app_country] => US [patent_app_date] => 2021-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9025 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 17483150 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/483150
MEASUREMENT SYSTEM Sep 22, 2021 Pending
Array ( [id] => 17976993 [patent_doc_number] => 11493851 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-08 [patent_title] => Lithographic method and lithographic apparatus [patent_app_type] => utility [patent_app_number] => 17/482630 [patent_app_country] => US [patent_app_date] => 2021-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 10028 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17482630 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/482630
Lithographic method and lithographic apparatus Sep 22, 2021 Issued
Array ( [id] => 18795307 [patent_doc_number] => 11829081 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-28 [patent_title] => Lift pin assembly and apparatus for treating substrate with the same [patent_app_type] => utility [patent_app_number] => 17/481307 [patent_app_country] => US [patent_app_date] => 2021-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5212 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17481307 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/481307
Lift pin assembly and apparatus for treating substrate with the same Sep 21, 2021 Issued
Array ( [id] => 17961740 [patent_doc_number] => 20220342321 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => ADVANCED LOAD PORT FOR PHOTOLITHOGRAPHY MASK INSPECTION TOOL [patent_app_type] => utility [patent_app_number] => 17/478300 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12006 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17478300 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/478300
Advanced load port for photolithography mask inspection tool Sep 16, 2021 Issued
Array ( [id] => 18445669 [patent_doc_number] => 11681235 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => System and method for cleaning an EUV mask [patent_app_type] => utility [patent_app_number] => 17/477969 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 9747 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17477969 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/477969
System and method for cleaning an EUV mask Sep 16, 2021 Issued
Array ( [id] => 18291013 [patent_doc_number] => 11619882 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-04 [patent_title] => Method and apparatus for characterizing a microlithographic mask [patent_app_type] => utility [patent_app_number] => 17/470340 [patent_app_country] => US [patent_app_date] => 2021-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 5560 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17470340 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/470340
Method and apparatus for characterizing a microlithographic mask Sep 8, 2021 Issued
Array ( [id] => 18400533 [patent_doc_number] => 11662668 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-30 [patent_title] => Lithography contamination control [patent_app_type] => utility [patent_app_number] => 17/461744 [patent_app_country] => US [patent_app_date] => 2021-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 10497 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17461744 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/461744
Lithography contamination control Aug 29, 2021 Issued
Array ( [id] => 18228973 [patent_doc_number] => 20230067967 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => NOVEL DESIGN OF AN INSPECTION TOOL FOR AN EXTREME ULTRAVIOLET RADIATION SOURCE TO OBSERVE TIN RESIDUAL [patent_app_type] => utility [patent_app_number] => 17/461491 [patent_app_country] => US [patent_app_date] => 2021-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9318 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17461491 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/461491
NOVEL DESIGN OF AN INSPECTION TOOL FOR AN EXTREME ULTRAVIOLET RADIATION SOURCE TO OBSERVE TIN RESIDUAL Aug 29, 2021 Pending
Array ( [id] => 18225766 [patent_doc_number] => 20230064760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => METHOD FOR GENERATING EUV RADIATION [patent_app_type] => utility [patent_app_number] => 17/461302 [patent_app_country] => US [patent_app_date] => 2021-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12791 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17461302 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/461302
METHOD FOR GENERATING EUV RADIATION Aug 29, 2021 Pending
Array ( [id] => 18546687 [patent_doc_number] => 11720035 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-08 [patent_title] => Mitigating long-term energy decay of laser devices [patent_app_type] => utility [patent_app_number] => 17/459749 [patent_app_country] => US [patent_app_date] => 2021-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 6342 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17459749 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/459749
Mitigating long-term energy decay of laser devices Aug 26, 2021 Issued
Array ( [id] => 18030262 [patent_doc_number] => 11513445 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-29 [patent_title] => Tunable wavelength see-through layer stack [patent_app_type] => utility [patent_app_number] => 17/404632 [patent_app_country] => US [patent_app_date] => 2021-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 8926 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17404632 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/404632
Tunable wavelength see-through layer stack Aug 16, 2021 Issued
Array ( [id] => 18275748 [patent_doc_number] => 11614691 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-28 [patent_title] => High throughput and high position accurate method for particle inspection of mask pods [patent_app_type] => utility [patent_app_number] => 17/402043 [patent_app_country] => US [patent_app_date] => 2021-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 7880 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17402043 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/402043
High throughput and high position accurate method for particle inspection of mask pods Aug 12, 2021 Issued
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