Search

Haixia Du

Examiner (ID: 17472, Phone: (571)270-5646 , Office: P/2611 )

Most Active Art Unit
2611
Art Unit(s)
2600, 2628, 2611, 2699, 2677
Total Applications
620
Issued Applications
509
Pending Applications
43
Abandoned Applications
75

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17876813 [patent_doc_number] => 11448823 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-09-20 [patent_title] => Method, system, and apparatus for a LiDAR sensor with a large grating [patent_app_type] => utility [patent_app_number] => 16/104866 [patent_app_country] => US [patent_app_date] => 2018-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 5741 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [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] => 16104866 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/104866
Method, system, and apparatus for a LiDAR sensor with a large grating Aug 16, 2018 Issued
Array ( [id] => 14105589 [patent_doc_number] => 20190094470 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-28 [patent_title] => BEND-LIMITED FLEXIBLE OPTICAL INTERCONNECT DEVICE FOR SIGNAL DISTRIBUTION [patent_app_type] => utility [patent_app_number] => 16/102919 [patent_app_country] => US [patent_app_date] => 2018-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4343 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16102919 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/102919
Bend-limited flexible optical interconnect device for signal distribution Aug 13, 2018 Issued
Array ( [id] => 15494197 [patent_doc_number] => 20200047287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-13 [patent_title] => METHODS AND APPARATUS FOR LASER DEPOSITION [patent_app_type] => utility [patent_app_number] => 16/101371 [patent_app_country] => US [patent_app_date] => 2018-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7733 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16101371 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/101371
Methods and apparatus for laser deposition Aug 9, 2018 Issued
Array ( [id] => 16540131 [patent_doc_number] => 20200406544 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => PRINTING SYSTEM AND WRITING MODULE THEREOF [patent_app_type] => utility [patent_app_number] => 16/635162 [patent_app_country] => US [patent_app_date] => 2018-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20393 [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] => 16635162 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/635162
Printing system and writing module thereof Aug 7, 2018 Issued
Array ( [id] => 13579037 [patent_doc_number] => 20180341067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-29 [patent_title] => Spring Push with Integral Trigger [patent_app_type] => utility [patent_app_number] => 16/054105 [patent_app_country] => US [patent_app_date] => 2018-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2788 [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] => 16054105 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/054105
Spring push with integral trigger Aug 2, 2018 Issued
Array ( [id] => 16215582 [patent_doc_number] => 10731383 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-04 [patent_title] => Symmetric coherent optical mixer [patent_app_type] => utility [patent_app_number] => 16/051965 [patent_app_country] => US [patent_app_date] => 2018-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4735 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16051965 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/051965
Symmetric coherent optical mixer Jul 31, 2018 Issued
Array ( [id] => 15934625 [patent_doc_number] => 20200158946 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => REDUCING LIGHT-INDUCED LOSS IN OPTICAL FIBRE [patent_app_type] => utility [patent_app_number] => 16/632932 [patent_app_country] => US [patent_app_date] => 2018-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4562 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -36 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16632932 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/632932
Reducing light-induced loss in optical fibre Jul 23, 2018 Issued
Array ( [id] => 14280845 [patent_doc_number] => 20190137707 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-09 [patent_title] => HERMETIC OPTICAL FIBER ALIGNMENT ASSEMBLY [patent_app_type] => utility [patent_app_number] => 16/037705 [patent_app_country] => US [patent_app_date] => 2018-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5845 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 16037705 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/037705
Hermetic optical fiber alignment assembly Jul 16, 2018 Issued
Array ( [id] => 13829423 [patent_doc_number] => 20190018196 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-17 [patent_title] => ATHERMALIZED MULTI-PATH INTERFERENCE FILTER [patent_app_type] => utility [patent_app_number] => 16/036866 [patent_app_country] => US [patent_app_date] => 2018-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8847 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16036866 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/036866
ATHERMALIZED MULTI-PATH INTERFERENCE FILTER Jul 15, 2018 Abandoned
Array ( [id] => 16751084 [patent_doc_number] => 20210103093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => OPTICAL TRANSMISSION DEVICE [patent_app_type] => utility [patent_app_number] => 16/982011 [patent_app_country] => US [patent_app_date] => 2018-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7520 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16982011 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/982011
Optical transmission device Jul 11, 2018 Issued
Array ( [id] => 15235227 [patent_doc_number] => 10505346 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-10 [patent_title] => Semiconductor laser device, chip on submount, and semiconductor laser module [patent_app_type] => utility [patent_app_number] => 16/027938 [patent_app_country] => US [patent_app_date] => 2018-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 12303 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16027938 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/027938
Semiconductor laser device, chip on submount, and semiconductor laser module Jul 4, 2018 Issued
Array ( [id] => 15235227 [patent_doc_number] => 10505346 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-10 [patent_title] => Semiconductor laser device, chip on submount, and semiconductor laser module [patent_app_type] => utility [patent_app_number] => 16/027938 [patent_app_country] => US [patent_app_date] => 2018-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 12303 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16027938 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/027938
Semiconductor laser device, chip on submount, and semiconductor laser module Jul 4, 2018 Issued
Array ( [id] => 15235227 [patent_doc_number] => 10505346 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-10 [patent_title] => Semiconductor laser device, chip on submount, and semiconductor laser module [patent_app_type] => utility [patent_app_number] => 16/027938 [patent_app_country] => US [patent_app_date] => 2018-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 12303 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16027938 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/027938
Semiconductor laser device, chip on submount, and semiconductor laser module Jul 4, 2018 Issued
Array ( [id] => 15235227 [patent_doc_number] => 10505346 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-10 [patent_title] => Semiconductor laser device, chip on submount, and semiconductor laser module [patent_app_type] => utility [patent_app_number] => 16/027938 [patent_app_country] => US [patent_app_date] => 2018-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 12303 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16027938 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/027938
Semiconductor laser device, chip on submount, and semiconductor laser module Jul 4, 2018 Issued
Array ( [id] => 15283705 [patent_doc_number] => 10514513 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-24 [patent_title] => Method of coupling optical fiber bundles [patent_app_type] => utility [patent_app_number] => 16/023858 [patent_app_country] => US [patent_app_date] => 2018-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 7610 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16023858 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/023858
Method of coupling optical fiber bundles Jun 28, 2018 Issued
Array ( [id] => 15327281 [patent_doc_number] => 20200003970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => GRATING COUPLERS FOR A SILICON ON INSULATOR WAVEGUIDE, AND METHODS OF DESIGNING, FABRICATING AND USING THE GRATING COUPLERS [patent_app_type] => utility [patent_app_number] => 16/023266 [patent_app_country] => US [patent_app_date] => 2018-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12539 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16023266 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/023266
GRATING COUPLERS FOR A SILICON ON INSULATOR WAVEGUIDE, AND METHODS OF DESIGNING, FABRICATING AND USING THE GRATING COUPLERS Jun 28, 2018 Abandoned
Array ( [id] => 13796223 [patent_doc_number] => 20190011650 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-10 [patent_title] => OPTICAL COUPLING MEMBER AND OPTICAL MODULE [patent_app_type] => utility [patent_app_number] => 16/018666 [patent_app_country] => US [patent_app_date] => 2018-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7055 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16018666 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/018666
OPTICAL COUPLING MEMBER AND OPTICAL MODULE Jun 25, 2018 Abandoned
Array ( [id] => 13737199 [patent_doc_number] => 20180373067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => ELECTROABSORPTION OPTICAL MODULATOR [patent_app_type] => utility [patent_app_number] => 16/017038 [patent_app_country] => US [patent_app_date] => 2018-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4857 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16017038 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/017038
ELECTROABSORPTION OPTICAL MODULATOR Jun 24, 2018 Abandoned
Array ( [id] => 15959971 [patent_doc_number] => 20200163737 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-28 [patent_title] => ILLUMINATION ASSEMBLY FOR USE DURING EYE SURGERY [patent_app_type] => utility [patent_app_number] => 16/625163 [patent_app_country] => US [patent_app_date] => 2018-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5038 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16625163 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/625163
ILLUMINATION ASSEMBLY FOR USE DURING EYE SURGERY Jun 19, 2018 Abandoned
Array ( [id] => 13781469 [patent_doc_number] => 20190004273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-03 [patent_title] => HIGH FIBER COUNT PRE-TERMINATED OPTICAL DISTRIBUTION ASSEMBLY [patent_app_type] => utility [patent_app_number] => 16/011938 [patent_app_country] => US [patent_app_date] => 2018-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4617 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16011938 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/011938
High fiber count pre-terminated optical distribution assembly Jun 18, 2018 Issued
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