Search

Kenneth W. Chang

Examiner (ID: 16000, Phone: (571)270-7530 , Office: P/2438 )

Most Active Art Unit
2438
Art Unit(s)
2438
Total Applications
759
Issued Applications
630
Pending Applications
50
Abandoned Applications
103

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20647010 [patent_doc_number] => 12601951 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-14 [patent_title] => Beam-steering device and method for spatial steering of a light beam [patent_app_type] => utility [patent_app_number] => 18/558466 [patent_app_country] => US [patent_app_date] => 2022-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3517 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18558466 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/558466
Beam-steering device and method for spatial steering of a light beam May 2, 2022 Issued
Array ( [id] => 20265454 [patent_doc_number] => 12436440 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Phase shift keying modulator [patent_app_type] => utility [patent_app_number] => 17/734962 [patent_app_country] => US [patent_app_date] => 2022-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 29 [patent_no_of_words] => 10376 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17734962 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/734962
Phase shift keying modulator May 1, 2022 Issued
Array ( [id] => 17831692 [patent_doc_number] => 20220268996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => Integrated Oxide Device [patent_app_type] => utility [patent_app_number] => 17/733777 [patent_app_country] => US [patent_app_date] => 2022-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7671 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17733777 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/733777
Integrated oxide device Apr 28, 2022 Issued
Array ( [id] => 19779778 [patent_doc_number] => 12228808 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Semiconductor-based optical modulator [patent_app_type] => utility [patent_app_number] => 17/733587 [patent_app_country] => US [patent_app_date] => 2022-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6764 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17733587 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/733587
Semiconductor-based optical modulator Apr 28, 2022 Issued
Array ( [id] => 20316871 [patent_doc_number] => 12455421 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Rapid fiber optic alignment techniques for optical switching [patent_app_type] => utility [patent_app_number] => 17/731606 [patent_app_country] => US [patent_app_date] => 2022-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 24 [patent_no_of_words] => 6043 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17731606 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/731606
Rapid fiber optic alignment techniques for optical switching Apr 27, 2022 Issued
Array ( [id] => 18437741 [patent_doc_number] => 20230185036 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => LIGHT GUIDING DEVICE FOR APPLYING TO SILICON PHOTONICS STRUCTURE [patent_app_type] => utility [patent_app_number] => 17/728908 [patent_app_country] => US [patent_app_date] => 2022-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3291 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17728908 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/728908
Light guiding device and light guiding device applied to silicon photonics structure Apr 24, 2022 Issued
Array ( [id] => 17961180 [patent_doc_number] => 20220341760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => SYSTEM AND METHOD FOR ARBITRARY OPTICAL WAVEFORM GENERATION [patent_app_type] => utility [patent_app_number] => 17/660115 [patent_app_country] => US [patent_app_date] => 2022-04-21 [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] => -18 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17660115 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/660115
System and method for arbitrary optical waveform generation Apr 20, 2022 Issued
Array ( [id] => 18059604 [patent_doc_number] => 20220390690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => OPTICAL DEVICE, METHOD OF MANUFACTURING OPTICAL DEVICE, AND METHOD OF MANUFACTURING OPTICAL DEVICE CHIP [patent_app_type] => utility [patent_app_number] => 17/723463 [patent_app_country] => US [patent_app_date] => 2022-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5729 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17723463 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/723463
Optical device, method of manufacturing optical device, and method of manufacturing optical device chip Apr 18, 2022 Issued
Array ( [id] => 18519483 [patent_doc_number] => 11709373 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-25 [patent_title] => Waveguide laser illuminator incorporating a despeckler [patent_app_type] => utility [patent_app_number] => 17/659639 [patent_app_country] => US [patent_app_date] => 2022-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 31 [patent_no_of_words] => 6925 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [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] => 17659639 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/659639
Waveguide laser illuminator incorporating a despeckler Apr 17, 2022 Issued
Array ( [id] => 19143799 [patent_doc_number] => 20240142691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => BACKLIGHT MODULE AND DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/772211 [patent_app_country] => US [patent_app_date] => 2022-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5387 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17772211 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/772211
Backlight module and display device Apr 11, 2022 Issued
Array ( [id] => 17931314 [patent_doc_number] => 20220326439 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => SENSING LAYERS AND PROTECTION LAYERS USING ATOMIC LAYER DEPOSITION SYNTHESIS OF OXIDES ON SILICA OPTICAL FIBERS [patent_app_type] => utility [patent_app_number] => 17/658334 [patent_app_country] => US [patent_app_date] => 2022-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3925 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17658334 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/658334
Sensing and/or protection layers for optical fiber-based sensors using atomic layer deposition synthesis on optical fibers Apr 6, 2022 Issued
Array ( [id] => 18765329 [patent_doc_number] => 11815727 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-14 [patent_title] => Bladed chassis systems [patent_app_type] => utility [patent_app_number] => 17/712950 [patent_app_country] => US [patent_app_date] => 2022-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 46 [patent_figures_cnt] => 47 [patent_no_of_words] => 17881 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17712950 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/712950
Bladed chassis systems Apr 3, 2022 Issued
Array ( [id] => 20358526 [patent_doc_number] => 12474518 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Wedge-shaped light guide plate for collimating backlight module, and collimating backlight module [patent_app_type] => utility [patent_app_number] => 18/285387 [patent_app_country] => US [patent_app_date] => 2022-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18285387 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/285387
Wedge-shaped light guide plate for collimating backlight module, and collimating backlight module Apr 1, 2022 Issued
Array ( [id] => 18621765 [patent_doc_number] => 11754797 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => High-density optical module system [patent_app_type] => utility [patent_app_number] => 17/657593 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3961 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17657593 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/657593
High-density optical module system Mar 30, 2022 Issued
Array ( [id] => 17751052 [patent_doc_number] => 20220229257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => HIGH-DENSITY OPTICAL MODULE SYSTEM [patent_app_type] => utility [patent_app_number] => 17/710849 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3948 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17710849 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/710849
HIGH-DENSITY OPTICAL MODULE SYSTEM Mar 30, 2022 Abandoned
Array ( [id] => 17736214 [patent_doc_number] => 20220221673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => SPLITTER MODULE AND ENCLOSURE FOR USE THEREIN [patent_app_type] => utility [patent_app_number] => 17/709728 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8307 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17709728 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/709728
Splitter module and enclosure for use therein Mar 30, 2022 Issued
Array ( [id] => 18677069 [patent_doc_number] => 20230314706 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => PHOTONIC INTEGRATED CIRCUIT STRUCTURE WITH COUPLER FOR INTERLAYER WAVEGUIDE COUPLING [patent_app_type] => utility [patent_app_number] => 17/709841 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7430 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17709841 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/709841
Photonic integrated circuit structure with coupler for interlayer waveguide coupling Mar 30, 2022 Issued
Array ( [id] => 19077816 [patent_doc_number] => 11947174 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-02 [patent_title] => Rollable optical fibre ribbon with intermittent bonding [patent_app_type] => utility [patent_app_number] => 17/700499 [patent_app_country] => US [patent_app_date] => 2022-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3695 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17700499 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/700499
Rollable optical fibre ribbon with intermittent bonding Mar 21, 2022 Issued
Array ( [id] => 19062988 [patent_doc_number] => 11942235 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Hybrid cable for distributed power connectivity [patent_app_type] => utility [patent_app_number] => 17/691852 [patent_app_country] => US [patent_app_date] => 2022-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6111 [patent_no_of_claims] => 20 [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] => 17691852 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/691852
Hybrid cable for distributed power connectivity Mar 9, 2022 Issued
Array ( [id] => 19513625 [patent_doc_number] => 20240345311 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => IMAGE DISPLAY APPARATUS AND DISPLAY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/683923 [patent_app_country] => US [patent_app_date] => 2022-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11890 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18683923 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/683923
IMAGE DISPLAY APPARATUS AND DISPLAY APPARATUS Mar 8, 2022 Pending
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