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] => 18486520 [patent_doc_number] => 20230213865 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => EXTREME ULTRAVIOLET LIGHT SOURCE DEVICE [patent_app_type] => utility [patent_app_number] => 18/007528 [patent_app_country] => US [patent_app_date] => 2021-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5562 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18007528 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/007528
Extreme ultraviolet light source device May 10, 2021 Issued
Array ( [id] => 18415935 [patent_doc_number] => 11670480 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-06 [patent_title] => System and method for generating and analyzing roughness measurements [patent_app_type] => utility [patent_app_number] => 17/316154 [patent_app_country] => US [patent_app_date] => 2021-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 44 [patent_no_of_words] => 20198 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17316154 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/316154
System and method for generating and analyzing roughness measurements May 9, 2021 Issued
Array ( [id] => 18555179 [patent_doc_number] => 20230253196 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => SAMPLE SUPPORT [patent_app_type] => utility [patent_app_number] => 18/015804 [patent_app_country] => US [patent_app_date] => 2021-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6789 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18015804 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/015804
SAMPLE SUPPORT May 9, 2021 Pending
Array ( [id] => 18402041 [patent_doc_number] => 11664188 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-30 [patent_title] => Edge detection system [patent_app_type] => utility [patent_app_number] => 17/316106 [patent_app_country] => US [patent_app_date] => 2021-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 31 [patent_no_of_words] => 13741 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17316106 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/316106
Edge detection system May 9, 2021 Issued
Array ( [id] => 18445528 [patent_doc_number] => 11681091 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => High density energy directing device [patent_app_type] => utility [patent_app_number] => 17/246485 [patent_app_country] => US [patent_app_date] => 2021-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 21 [patent_no_of_words] => 15439 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17246485 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/246485
High density energy directing device Apr 29, 2021 Issued
Array ( [id] => 18031939 [patent_doc_number] => 11515137 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-29 [patent_title] => Ion guide with varying multipoles [patent_app_type] => utility [patent_app_number] => 17/242040 [patent_app_country] => US [patent_app_date] => 2021-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 20 [patent_no_of_words] => 12400 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17242040 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/242040
Ion guide with varying multipoles Apr 26, 2021 Issued
Array ( [id] => 17972937 [patent_doc_number] => 11490499 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-01 [patent_title] => Method of exposure using extreme ultraviolet and method of manufacturing a semiconductor device using the same [patent_app_type] => utility [patent_app_number] => 17/242022 [patent_app_country] => US [patent_app_date] => 2021-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8935 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17242022 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/242022
Method of exposure using extreme ultraviolet and method of manufacturing a semiconductor device using the same Apr 26, 2021 Issued
Array ( [id] => 18055396 [patent_doc_number] => 11528797 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-13 [patent_title] => Method and system for generating droplets for EUV photolithography processes [patent_app_type] => utility [patent_app_number] => 17/233220 [patent_app_country] => US [patent_app_date] => 2021-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 8248 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17233220 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/233220
Method and system for generating droplets for EUV photolithography processes Apr 15, 2021 Issued
Array ( [id] => 18408848 [patent_doc_number] => 20230170201 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => SAMPLE SUPPORT, IONIZATION METHOD, AND MASS SPECTROMETRY METHOD [patent_app_type] => utility [patent_app_number] => 17/921189 [patent_app_country] => US [patent_app_date] => 2021-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12937 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17921189 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/921189
SAMPLE SUPPORT, IONIZATION METHOD, AND MASS SPECTROMETRY METHOD Apr 14, 2021 Abandoned
Array ( [id] => 18400201 [patent_doc_number] => 11662333 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-30 [patent_title] => Systems and methods for two-dimensional mobility based filtering of ions [patent_app_type] => utility [patent_app_number] => 17/223852 [patent_app_country] => US [patent_app_date] => 2021-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 35 [patent_no_of_words] => 28862 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17223852 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/223852
Systems and methods for two-dimensional mobility based filtering of ions Apr 5, 2021 Issued
Array ( [id] => 18047863 [patent_doc_number] => 11521821 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Ion source repeller [patent_app_type] => utility [patent_app_number] => 17/223360 [patent_app_country] => US [patent_app_date] => 2021-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 5564 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [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] => 17223360 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/223360
Ion source repeller Apr 5, 2021 Issued
Array ( [id] => 17924251 [patent_doc_number] => 11467498 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-11 [patent_title] => Extreme ultraviolet control system [patent_app_type] => utility [patent_app_number] => 17/222109 [patent_app_country] => US [patent_app_date] => 2021-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6592 [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] => 17222109 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/222109
Extreme ultraviolet control system Apr 4, 2021 Issued
Array ( [id] => 17801594 [patent_doc_number] => 11415891 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-16 [patent_title] => Extreme ultraviolet light source system [patent_app_type] => utility [patent_app_number] => 17/221388 [patent_app_country] => US [patent_app_date] => 2021-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 6552 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17221388 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/221388
Extreme ultraviolet light source system Apr 1, 2021 Issued
Array ( [id] => 19182033 [patent_doc_number] => 11988618 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Method and system to determine crystal structure [patent_app_type] => utility [patent_app_number] => 17/219627 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5497 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17219627 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/219627
Method and system to determine crystal structure Mar 30, 2021 Issued
Array ( [id] => 16967910 [patent_doc_number] => 20210219409 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => DEVICE AND METHOD FOR MEASURING THE BEAM ANGLE OF A LIGHT BEAM GUIDED BY A BEAM GUIDING OPTICAL UNIT [patent_app_type] => utility [patent_app_number] => 17/217295 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3535 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17217295 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/217295
Device and method for measuring the beam angle of a light beam guided by a beam guiding optical unit Mar 29, 2021 Issued
Array ( [id] => 18439900 [patent_doc_number] => 20230187195 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => PLASMA GENERATING DEVICE [patent_app_type] => utility [patent_app_number] => 17/912226 [patent_app_country] => US [patent_app_date] => 2021-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5337 [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] => 17912226 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/912226
Plasma generating device Mar 28, 2021 Issued
Array ( [id] => 18439900 [patent_doc_number] => 20230187195 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => PLASMA GENERATING DEVICE [patent_app_type] => utility [patent_app_number] => 17/912226 [patent_app_country] => US [patent_app_date] => 2021-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5337 [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] => 17912226 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/912226
Plasma generating device Mar 28, 2021 Issued
Array ( [id] => 18439900 [patent_doc_number] => 20230187195 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => PLASMA GENERATING DEVICE [patent_app_type] => utility [patent_app_number] => 17/912226 [patent_app_country] => US [patent_app_date] => 2021-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5337 [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] => 17912226 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/912226
Plasma generating device Mar 28, 2021 Issued
Array ( [id] => 18379649 [patent_doc_number] => 20230154738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => MASS SPECTRAL ENCODING [patent_app_type] => utility [patent_app_number] => 17/995330 [patent_app_country] => US [patent_app_date] => 2021-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13139 [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] => 17995330 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/995330
MASS SPECTRAL ENCODING Mar 28, 2021 Pending
Array ( [id] => 18439900 [patent_doc_number] => 20230187195 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => PLASMA GENERATING DEVICE [patent_app_type] => utility [patent_app_number] => 17/912226 [patent_app_country] => US [patent_app_date] => 2021-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5337 [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] => 17912226 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/912226
Plasma generating device Mar 28, 2021 Issued
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