Search

Xue H. Liu

Examiner (ID: 6090, Phone: (571)270-5522 , Office: P/1742 )

Most Active Art Unit
1742
Art Unit(s)
1791, 1742
Total Applications
944
Issued Applications
615
Pending Applications
85
Abandoned Applications
261

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16579300 [patent_doc_number] => 20210013701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-14 [patent_title] => QUANTUM CASCADE LASER [patent_app_type] => utility [patent_app_number] => 16/906079 [patent_app_country] => US [patent_app_date] => 2020-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7077 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16906079 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/906079
QUANTUM CASCADE LASER Jun 18, 2020 Abandoned
Array ( [id] => 16529298 [patent_doc_number] => 20200403379 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => VERTICAL CAVITY SURFACE EMITTING LASER DIODE (VCSEL) WITH MULTIPLE CURRENT CONFINEMENT LAYERS [patent_app_type] => utility [patent_app_number] => 16/906067 [patent_app_country] => US [patent_app_date] => 2020-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9266 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 16906067 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/906067
VERTICAL CAVITY SURFACE EMITTING LASER DIODE (VCSEL) WITH MULTIPLE CURRENT CONFINEMENT LAYERS Jun 18, 2020 Pending
Array ( [id] => 16905517 [patent_doc_number] => 20210184433 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => Method of Fabricating Laser Devices Having Optical Modes Adjustable [patent_app_type] => utility [patent_app_number] => 16/904769 [patent_app_country] => US [patent_app_date] => 2020-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1119 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 16904769 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/904769
Method of Fabricating Laser Devices Having Optical Modes Adjustable Jun 17, 2020 Abandoned
Array ( [id] => 18121045 [patent_doc_number] => 11552448 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Semiconductor optical amplifier integrated laser [patent_app_type] => utility [patent_app_number] => 16/901872 [patent_app_country] => US [patent_app_date] => 2020-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4757 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16901872 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/901872
Semiconductor optical amplifier integrated laser Jun 14, 2020 Issued
Array ( [id] => 19094306 [patent_doc_number] => 11955775 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Quantum cascade laser and method for manufacturing same [patent_app_type] => utility [patent_app_number] => 16/898535 [patent_app_country] => US [patent_app_date] => 2020-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 3365 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16898535 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/898535
Quantum cascade laser and method for manufacturing same Jun 10, 2020 Issued
Array ( [id] => 18875112 [patent_doc_number] => 11862938 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Semiconductor laser diode [patent_app_type] => utility [patent_app_number] => 16/898612 [patent_app_country] => US [patent_app_date] => 2020-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 54 [patent_no_of_words] => 15678 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16898612 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/898612
Semiconductor laser diode Jun 10, 2020 Issued
Array ( [id] => 16488287 [patent_doc_number] => 20200381897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => VERTICAL-CAVITY SURFACE-EMITTING LASER WITH CHARACTERISTIC WAVELENGTH OF 910 NM [patent_app_type] => utility [patent_app_number] => 16/890149 [patent_app_country] => US [patent_app_date] => 2020-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7907 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 16890149 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/890149
VERTICAL-CAVITY SURFACE-EMITTING LASER WITH CHARACTERISTIC WAVELENGTH OF 910 NM Jun 1, 2020 Pending
Array ( [id] => 16509725 [patent_doc_number] => 20200388981 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => WAVELENGTH CONVERSION DEVICE [patent_app_type] => utility [patent_app_number] => 16/889279 [patent_app_country] => US [patent_app_date] => 2020-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4529 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 16889279 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/889279
Wavelength conversion device May 31, 2020 Issued
Array ( [id] => 17086040 [patent_doc_number] => 20210281047 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => BROADENED SPECTRUM LASER DIODE FOR DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 16/886530 [patent_app_country] => US [patent_app_date] => 2020-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16406 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16886530 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/886530
BROADENED SPECTRUM LASER DIODE FOR DISPLAY DEVICE May 27, 2020 Abandoned
Array ( [id] => 17765454 [patent_doc_number] => 20220239068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => III-NITRIDE-BASED VERTICAL CAVITY SURFACE EMITTING LASER (VCSEL) CONFIGURATIONS [patent_app_type] => utility [patent_app_number] => 17/613659 [patent_app_country] => US [patent_app_date] => 2020-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17357 [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] => 17613659 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/613659
III-NITRIDE-BASED VERTICAL CAVITY SURFACE EMITTING LASER (VCSEL) CONFIGURATIONS May 27, 2020 Pending
Array ( [id] => 16545674 [patent_doc_number] => 20200412089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => SURFACE EMITTING LASER [patent_app_type] => utility [patent_app_number] => 16/877952 [patent_app_country] => US [patent_app_date] => 2020-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5873 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16877952 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/877952
SURFACE EMITTING LASER May 18, 2020 Abandoned
Array ( [id] => 17225118 [patent_doc_number] => 11177631 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-16 [patent_title] => Multi-wavelength semiconductor comb lasers [patent_app_type] => utility [patent_app_number] => 15/930955 [patent_app_country] => US [patent_app_date] => 2020-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 4756 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15930955 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/930955
Multi-wavelength semiconductor comb lasers May 12, 2020 Issued
Array ( [id] => 17189535 [patent_doc_number] => 20210336420 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => VCSEL WITH INTRA-CAVITY OXIDE CONFINEMENT STRUCTURE [patent_app_type] => utility [patent_app_number] => 16/858909 [patent_app_country] => US [patent_app_date] => 2020-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3292 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 16858909 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/858909
VCSEL WITH INTRA-CAVITY OXIDE CONFINEMENT STRUCTURE Apr 26, 2020 Abandoned
Array ( [id] => 17723947 [patent_doc_number] => 20220216669 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => SINGLE-MODE HYBRID III-V ON SILICON LASER OF SIMPLIFIED CONSTRUCTION [patent_app_type] => utility [patent_app_number] => 17/609024 [patent_app_country] => US [patent_app_date] => 2020-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3968 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17609024 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/609024
Single-mode hybrid III-V on silicon laser of simplified construction Apr 23, 2020 Issued
Array ( [id] => 16440924 [patent_doc_number] => 20200358251 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => SURFACE-EMITTING LASER, ELECTRONIC DEVICE, AND METHOD OF MANUFACTURING SURFACE-EMITTING LASER [patent_app_type] => utility [patent_app_number] => 16/856261 [patent_app_country] => US [patent_app_date] => 2020-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16856261 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/856261
SURFACE-EMITTING LASER, ELECTRONIC DEVICE, AND METHOD OF MANUFACTURING SURFACE-EMITTING LASER Apr 22, 2020 Abandoned
Array ( [id] => 17509834 [patent_doc_number] => 20220102938 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => SUBSTRATE-TRANSFER VERTICAL CAVITY SURFACE EMITTING LASER AND METHOD FOR MANUFACTURE THEREOF [patent_app_type] => utility [patent_app_number] => 17/425065 [patent_app_country] => US [patent_app_date] => 2020-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4871 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17425065 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/425065
SUBSTRATE-TRANSFER VERTICAL CAVITY SURFACE EMITTING LASER AND METHOD FOR MANUFACTURE THEREOF Apr 15, 2020 Abandoned
Array ( [id] => 17909017 [patent_doc_number] => 11462886 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-04 [patent_title] => Buried-type semiconductor optical device [patent_app_type] => utility [patent_app_number] => 16/845223 [patent_app_country] => US [patent_app_date] => 2020-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5335 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16845223 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/845223
Buried-type semiconductor optical device Apr 9, 2020 Issued
Array ( [id] => 16365004 [patent_doc_number] => 20200321755 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => Output-Programmed Vertical Cavity Surface Emitting Laser Array [patent_app_type] => utility [patent_app_number] => 16/843830 [patent_app_country] => US [patent_app_date] => 2020-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5645 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16843830 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/843830
Output-Programmed Vertical Cavity Surface Emitting Laser Array Apr 7, 2020 Abandoned
Array ( [id] => 17811458 [patent_doc_number] => 20220263293 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => SEMICONDUCTOR LASER AND MATERIAL MACHINING METHOD USING A SEMICONDUCTOR LASER [patent_app_type] => utility [patent_app_number] => 17/594399 [patent_app_country] => US [patent_app_date] => 2020-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6563 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17594399 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/594399
SEMICONDUCTOR LASER AND MATERIAL MACHINING METHOD USING A SEMICONDUCTOR LASER Apr 7, 2020 Abandoned
Array ( [id] => 17677388 [patent_doc_number] => 20220190555 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => COMPOUND SEMICONDUCTOR LAYER STACK, METHOD OF FORMING THE SAME, AND LIGHT-EMITTING DEVICE [patent_app_type] => utility [patent_app_number] => 17/602630 [patent_app_country] => US [patent_app_date] => 2020-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10460 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17602630 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/602630
COMPOUND SEMICONDUCTOR LAYER STACK, METHOD OF FORMING THE SAME, AND LIGHT-EMITTING DEVICE Mar 30, 2020 Pending
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