Search

Chris H. Chu

Examiner (ID: 15942, Phone: (571)272-8655 , Office: P/2874 )

Most Active Art Unit
2874
Art Unit(s)
2874
Total Applications
957
Issued Applications
555
Pending Applications
101
Abandoned Applications
329

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20373666 [patent_doc_number] => 12481098 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Anti-resonance preform with two contact points [patent_app_type] => utility [patent_app_number] => 18/261225 [patent_app_country] => US [patent_app_date] => 2022-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 30 [patent_no_of_words] => 25986 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18261225 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/261225
Anti-resonance preform with two contact points Jan 18, 2022 Issued
Array ( [id] => 17751021 [patent_doc_number] => 20220229226 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => OPTICAL FIBER AND OPTICAL TRANSMISSION MODULE [patent_app_type] => utility [patent_app_number] => 17/647207 [patent_app_country] => US [patent_app_date] => 2022-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8802 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17647207 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/647207
Optical fiber and optical transmission module Jan 5, 2022 Issued
Array ( [id] => 19419566 [patent_doc_number] => 20240295689 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => ANTI-RESONANT OPTICAL COMPONENT AND METHOD FOR THE PRODUCTION OF SAME [patent_app_type] => utility [patent_app_number] => 18/261776 [patent_app_country] => US [patent_app_date] => 2022-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9324 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18261776 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/261776
ANTI-RESONANT OPTICAL COMPONENT AND METHOD FOR THE PRODUCTION OF SAME Jan 4, 2022 Pending
Array ( [id] => 18453511 [patent_doc_number] => 20230194791 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => ELECTRONIC DEVICE INCLUDING A GRIN LENS [patent_app_type] => utility [patent_app_number] => 17/557630 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7952 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17557630 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/557630
ELECTRONIC DEVICE INCLUDING A GRIN LENS Dec 20, 2021 Pending
Array ( [id] => 17689615 [patent_doc_number] => 20220196908 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => OPTICAL FIBER AND OPTICAL FIBER FILTER [patent_app_type] => utility [patent_app_number] => 17/557216 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5740 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17557216 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/557216
OPTICAL FIBER AND OPTICAL FIBER FILTER Dec 20, 2021 Abandoned
Array ( [id] => 18453511 [patent_doc_number] => 20230194791 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => ELECTRONIC DEVICE INCLUDING A GRIN LENS [patent_app_type] => utility [patent_app_number] => 17/557630 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7952 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17557630 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/557630
ELECTRONIC DEVICE INCLUDING A GRIN LENS Dec 20, 2021 Pending
Array ( [id] => 17674447 [patent_doc_number] => 20220187614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => Reduced Speckle Illumination Systems And Methods [patent_app_type] => utility [patent_app_number] => 17/549114 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7914 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17549114 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549114
Reduced Speckle Illumination Systems And Methods Dec 12, 2021 Abandoned
Array ( [id] => 18407078 [patent_doc_number] => 20230168430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => OPTICAL WAVEGUIDE COUPLING USING FABRICATED WAVEGUIDE COUPLING STRUCTURES [patent_app_type] => utility [patent_app_number] => 17/536392 [patent_app_country] => US [patent_app_date] => 2021-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5754 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17536392 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/536392
Optical waveguide coupling using fabricated waveguide coupling structures Nov 28, 2021 Issued
Array ( [id] => 18392873 [patent_doc_number] => 20230161093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => LIGHT GUIDE DISPLAY SYSTEM FOR PROVIDING INCREASED POWER EFFICIENCY [patent_app_type] => utility [patent_app_number] => 17/535450 [patent_app_country] => US [patent_app_date] => 2021-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33006 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17535450 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/535450
LIGHT GUIDE DISPLAY SYSTEM FOR PROVIDING INCREASED POWER EFFICIENCY Nov 23, 2021 Abandoned
Array ( [id] => 17465067 [patent_doc_number] => 20220078373 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => OPTICAL IMAGING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/529673 [patent_app_country] => US [patent_app_date] => 2021-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7994 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17529673 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/529673
OPTICAL IMAGING SYSTEM Nov 17, 2021 Abandoned
Array ( [id] => 17460101 [patent_doc_number] => 20220073406 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => METHOD OF MAKING AN IMAGING FIBRE APPARATUS AND OPTIAL FIBRE APPARATUS WITH DIFFERENT CORE [patent_app_type] => utility [patent_app_number] => 17/529984 [patent_app_country] => US [patent_app_date] => 2021-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11930 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17529984 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/529984
Method of making an imaging fibre apparatus and optial fibre apparatus with different core Nov 17, 2021 Issued
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
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