Search

Chris H. Chu

Examiner (ID: 9521, Phone: (571)272-8655 , Office: P/2874 )

Most Active Art Unit
2874
Art Unit(s)
2874
Total Applications
966
Issued Applications
562
Pending Applications
87
Abandoned Applications
335

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19068786 [patent_doc_number] => 20240103212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => Optical Apparatus, Modules and Devices [patent_app_type] => utility [patent_app_number] => 18/038772 [patent_app_country] => US [patent_app_date] => 2021-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10052 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18038772 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/038772
Optical Apparatus, Modules and Devices Nov 9, 2021 Pending
Array ( [id] => 17429865 [patent_doc_number] => 20220057574 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => POLYMER OPTICAL WAVEGUIDE AND COMPOSITE OPTICAL WAVEGUIDE [patent_app_type] => utility [patent_app_number] => 17/453906 [patent_app_country] => US [patent_app_date] => 2021-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8182 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17453906 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/453906
Polymer optical waveguide and composite optical waveguide Nov 7, 2021 Issued
Array ( [id] => 17706213 [patent_doc_number] => 20220206219 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => OPTICAL WAVEGUIDE DEVICE THAT CONVERTS POLARIZATION OF LIGHT [patent_app_type] => utility [patent_app_number] => 17/521050 [patent_app_country] => US [patent_app_date] => 2021-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 342 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17521050 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/521050
Optical waveguide device that converts polarization of light Nov 7, 2021 Issued
Array ( [id] => 19911302 [patent_doc_number] => 12287510 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Integration of an unprocessed, direct-bandgap chip into a silicon photonic device [patent_app_type] => utility [patent_app_number] => 17/520467 [patent_app_country] => US [patent_app_date] => 2021-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 34 [patent_no_of_words] => 5626 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17520467 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/520467
Integration of an unprocessed, direct-bandgap chip into a silicon photonic device Nov 4, 2021 Issued
Array ( [id] => 18323746 [patent_doc_number] => 20230121874 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => Integrated Optical Switch Having Doped Fiber/Waveguide Amplifiers Packaged in A Transposer [patent_app_type] => utility [patent_app_number] => 17/519411 [patent_app_country] => US [patent_app_date] => 2021-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6386 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17519411 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/519411
Integrated Optical Switch Having Doped Fiber/Waveguide Amplifiers Packaged in A Transposer Nov 3, 2021 Pending
Array ( [id] => 17580434 [patent_doc_number] => 20220137289 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => SINGLE-MODE FIBER WITH LOW DISPERSION SLOPE [patent_app_type] => utility [patent_app_number] => 17/514060 [patent_app_country] => US [patent_app_date] => 2021-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8323 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17514060 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/514060
SINGLE-MODE FIBER WITH LOW DISPERSION SLOPE Oct 28, 2021 Abandoned
Array ( [id] => 17580641 [patent_doc_number] => 20220137496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => WAVELENGTH CONVERSION DEVICE AND PROJECTION DEVICE [patent_app_type] => utility [patent_app_number] => 17/511557 [patent_app_country] => US [patent_app_date] => 2021-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3448 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17511557 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/511557
WAVELENGTH CONVERSION DEVICE AND PROJECTION DEVICE Oct 26, 2021 Abandoned
Array ( [id] => 18337182 [patent_doc_number] => 20230129131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => METHOD FOR MANUFACTURING A SEMICONDUCTOR STRUCTURE [patent_app_type] => utility [patent_app_number] => 17/452197 [patent_app_country] => US [patent_app_date] => 2021-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6136 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17452197 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/452197
METHOD FOR MANUFACTURING A SEMICONDUCTOR STRUCTURE Oct 24, 2021 Pending
Array ( [id] => 17387333 [patent_doc_number] => 20220035185 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/502487 [patent_app_country] => US [patent_app_date] => 2021-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11457 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17502487 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/502487
LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF Oct 14, 2021 Abandoned
Array ( [id] => 19227967 [patent_doc_number] => 12007601 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-11 [patent_title] => Multi-core optical fiber and multi-core optical fiber cable [patent_app_type] => utility [patent_app_number] => 17/499981 [patent_app_country] => US [patent_app_date] => 2021-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 16196 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 458 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17499981 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/499981
Multi-core optical fiber and multi-core optical fiber cable Oct 12, 2021 Issued
Array ( [id] => 18621764 [patent_doc_number] => 11754796 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Independently translatable modules and fiber optic equipment trays in fiber optic equipment [patent_app_type] => utility [patent_app_number] => 17/499244 [patent_app_country] => US [patent_app_date] => 2021-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 39 [patent_no_of_words] => 9944 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17499244 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/499244
Independently translatable modules and fiber optic equipment trays in fiber optic equipment Oct 11, 2021 Issued
Array ( [id] => 17401136 [patent_doc_number] => 20220043226 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => PRECONNECTORIZED CABLE ASSEMBLIES FOR INDOOR/OUTDOOR/DATACENTER APPLICATIONS [patent_app_type] => utility [patent_app_number] => 17/497129 [patent_app_country] => US [patent_app_date] => 2021-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10824 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17497129 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/497129
PRECONNECTORIZED CABLE ASSEMBLIES FOR INDOOR/OUTDOOR/DATACENTER APPLICATIONS Oct 7, 2021 Abandoned
Array ( [id] => 17506877 [patent_doc_number] => 20220099980 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => SPATIALLY MULTIPLEXED VOLUME BRAGG GRATINGS WITH VARIED REFRACTIVE INDEX MODULATIONS FOR WAVEGUIDE DISPLAY [patent_app_type] => utility [patent_app_number] => 17/496550 [patent_app_country] => US [patent_app_date] => 2021-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34657 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17496550 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/496550
Spatially multiplexed volume Bragg gratings with varied refractive index modulations for waveguide display Oct 6, 2021 Issued
Array ( [id] => 18981636 [patent_doc_number] => 11906805 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Fiber optic cable assembly with pulling grip assembly [patent_app_type] => utility [patent_app_number] => 17/495931 [patent_app_country] => US [patent_app_date] => 2021-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 8949 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 362 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17495931 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/495931
Fiber optic cable assembly with pulling grip assembly Oct 6, 2021 Issued
Array ( [id] => 18818995 [patent_doc_number] => 20230393335 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => PHOTONIC INTEGRATED CIRCUIT DESIGN FOR PLUG-AND-PLAY MEASUREMENT DEVICE INDEPENDENT-QUANTUM KEY DISTRIBUTION (MDI-QKD) [patent_app_type] => utility [patent_app_number] => 17/483968 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29916 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17483968 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/483968
PHOTONIC INTEGRATED CIRCUIT DESIGN FOR PLUG-AND-PLAY MEASUREMENT DEVICE INDEPENDENT-QUANTUM KEY DISTRIBUTION (MDI-QKD) Sep 23, 2021 Pending
Array ( [id] => 19061421 [patent_doc_number] => 11940649 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Optical fiber bundle structure, optical connector, optical fiber connection structure, and method of manufacturing optical fiber bundle structure [patent_app_type] => utility [patent_app_number] => 17/479343 [patent_app_country] => US [patent_app_date] => 2021-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 31 [patent_no_of_words] => 6615 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17479343 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/479343
Optical fiber bundle structure, optical connector, optical fiber connection structure, and method of manufacturing optical fiber bundle structure Sep 19, 2021 Issued
Array ( [id] => 18810168 [patent_doc_number] => 20230384503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => OPTICAL WAVEGUIDE FOR AUGMENTED REALITY DISPLAY [patent_app_type] => utility [patent_app_number] => 18/246147 [patent_app_country] => US [patent_app_date] => 2021-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3188 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18246147 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/246147
Optical waveguide for augmented reality display Sep 19, 2021 Issued
Array ( [id] => 17483822 [patent_doc_number] => 20220091326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => OPTICAL LIGHT GUIDE INCLUDING FLUORESCENT MATERIAL [patent_app_type] => utility [patent_app_number] => 17/447755 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5953 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17447755 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/447755
OPTICAL LIGHT GUIDE INCLUDING FLUORESCENT MATERIAL Sep 14, 2021 Abandoned
Array ( [id] => 18154301 [patent_doc_number] => 11567277 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-01-31 [patent_title] => Distributed Bragg reflectors including periods with airgaps [patent_app_type] => utility [patent_app_number] => 17/472846 [patent_app_country] => US [patent_app_date] => 2021-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3356 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17472846 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/472846
Distributed Bragg reflectors including periods with airgaps Sep 12, 2021 Issued
Array ( [id] => 19732196 [patent_doc_number] => 12210190 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Optical fiber with a tapered core [patent_app_type] => utility [patent_app_number] => 17/447373 [patent_app_country] => US [patent_app_date] => 2021-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5811 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17447373 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/447373
Optical fiber with a tapered core Sep 9, 2021 Issued
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