Search

Wei Chan

Examiner (ID: 10212, Phone: (571)272-5177 , Office: P/2844 )

Most Active Art Unit
2844
Art Unit(s)
2845, 2844
Total Applications
808
Issued Applications
598
Pending Applications
81
Abandoned Applications
151

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16319770 [patent_doc_number] => 10779716 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-22 [patent_title] => Light source system, light source control method, first light source apparatus, and endoscope system [patent_app_type] => utility [patent_app_number] => 16/663612 [patent_app_country] => US [patent_app_date] => 2019-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 11543 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16663612 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/663612
Light source system, light source control method, first light source apparatus, and endoscope system Oct 24, 2019 Issued
Array ( [id] => 17343074 [patent_doc_number] => 20220009405 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => Sensing an Object in the Surroundings of a Motor Vehicle [patent_app_type] => utility [patent_app_number] => 17/292638 [patent_app_country] => US [patent_app_date] => 2019-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3710 [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] => 17292638 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/292638
Sensing an object in the surroundings of a motor vehicle Oct 24, 2019 Issued
Array ( [id] => 16114563 [patent_doc_number] => 20200209304 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-02 [patent_title] => METHOD FOR TESTING LIGHT-EMITTING UNIT [patent_app_type] => utility [patent_app_number] => 16/596784 [patent_app_country] => US [patent_app_date] => 2019-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3535 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16596784 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/596784
Method for testing light-emitting unit Oct 8, 2019 Issued
16/591636 MULTI-PATH LED DRIVER CIRCUIT Oct 2, 2019 Abandoned
Array ( [id] => 15745493 [patent_doc_number] => 20200111636 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-09 [patent_title] => Ultra-High Efficiency Single-beam and Multi-beam Inductive Output Tubes [patent_app_type] => utility [patent_app_number] => 16/592116 [patent_app_country] => US [patent_app_date] => 2019-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2490 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16592116 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/592116
Ultra-high efficiency single-beam and multi-beam inductive output tubes Oct 2, 2019 Issued
Array ( [id] => 18188269 [patent_doc_number] => 11578841 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-14 [patent_title] => Color separation lighting devices [patent_app_type] => utility [patent_app_number] => 16/591444 [patent_app_country] => US [patent_app_date] => 2019-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 42 [patent_no_of_words] => 15494 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [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] => 16591444 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/591444
Color separation lighting devices Oct 1, 2019 Issued
Array ( [id] => 17228063 [patent_doc_number] => 20210354619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-18 [patent_title] => METHOD FOR CONTROLLING A LIGHTING DEVICE FOR EMITTING A NON-DAZZLING BEAM FOR LIGHTING THE ROAD [patent_app_type] => utility [patent_app_number] => 17/282246 [patent_app_country] => US [patent_app_date] => 2019-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9441 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17282246 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/282246
Method for controlling a lighting device for emitting a non-dazzling beam for lighting the road Sep 29, 2019 Issued
Array ( [id] => 15803287 [patent_doc_number] => 20200124786 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => DISPLAY DEVICES USING LED BACKLIGHT UNITS AND LED PACKAGES FOR THE BACKLIGHT UNITS [patent_app_type] => utility [patent_app_number] => 16/582901 [patent_app_country] => US [patent_app_date] => 2019-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9669 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16582901 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/582901
DISPLAY DEVICES USING LED BACKLIGHT UNITS AND LED PACKAGES FOR THE BACKLIGHT UNITS Sep 24, 2019 Abandoned
Array ( [id] => 17000300 [patent_doc_number] => 11079103 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-03 [patent_title] => Wheelchair lighting control unit [patent_app_type] => utility [patent_app_number] => 16/582951 [patent_app_country] => US [patent_app_date] => 2019-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 6704 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16582951 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/582951
Wheelchair lighting control unit Sep 24, 2019 Issued
Array ( [id] => 15721307 [patent_doc_number] => 20200107421 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-02 [patent_title] => ILLUMINATION LIGHTING APPARATUS, ILLUMINATION DEVICE, AND ILLUMINATION FIXTURE [patent_app_type] => utility [patent_app_number] => 16/580148 [patent_app_country] => US [patent_app_date] => 2019-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13577 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16580148 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/580148
Illumination lighting apparatus, illumination device, and illumination fixture Sep 23, 2019 Issued
Array ( [id] => 15325351 [patent_doc_number] => 20200003005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => COVERING FOR AN ARCHITECTURAL OPENING INCLUDING MULTIPLE STAGE SPRING ASSEMBLY [patent_app_type] => utility [patent_app_number] => 16/566979 [patent_app_country] => US [patent_app_date] => 2019-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15576 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16566979 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/566979
Covering for an architectural opening including multiple stage spring assembly Sep 10, 2019 Issued
Array ( [id] => 16580541 [patent_doc_number] => 20210014943 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-14 [patent_title] => LIGHT SOURCE DRIVING APPARATUS AND CURRENT ADJUSTING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 16/568220 [patent_app_country] => US [patent_app_date] => 2019-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4058 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 16568220 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/568220
Light source driving apparatus and current adjusting method thereof Sep 10, 2019 Issued
Array ( [id] => 17096271 [patent_doc_number] => 20210284062 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => VEHICLE LIGHT [patent_app_type] => utility [patent_app_number] => 17/273892 [patent_app_country] => US [patent_app_date] => 2019-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2888 [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] => 17273892 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/273892
VEHICLE LIGHT Sep 4, 2019 Abandoned
Array ( [id] => 16678023 [patent_doc_number] => 20210066789 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => ANTENNA AND RELATED COMMUNICATION DEVICE [patent_app_type] => utility [patent_app_number] => 16/560031 [patent_app_country] => US [patent_app_date] => 2019-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4774 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 16560031 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/560031
Antenna and related communication device Sep 3, 2019 Issued
Array ( [id] => 16672401 [patent_doc_number] => 20210061164 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => SYSTEM AND METHOD FOR ILLUMINATING A PATH FOR AN OBJECT BY A VEHICLE [patent_app_type] => utility [patent_app_number] => 16/552432 [patent_app_country] => US [patent_app_date] => 2019-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7363 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16552432 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/552432
SYSTEM AND METHOD FOR ILLUMINATING A PATH FOR AN OBJECT BY A VEHICLE Aug 26, 2019 Abandoned
Array ( [id] => 15361201 [patent_doc_number] => 20200016365 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-16 [patent_title] => SYSTEMS AND METHODS OF DYNAMIC ILLUMINATION AND TEMPORALLY COORDINATED SPECTRAL CONTROL AND BIOLOGICAL DIMMING [patent_app_type] => utility [patent_app_number] => 16/543921 [patent_app_country] => US [patent_app_date] => 2019-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8768 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16543921 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/543921
SYSTEMS AND METHODS OF DYNAMIC ILLUMINATION AND TEMPORALLY COORDINATED SPECTRAL CONTROL AND BIOLOGICAL DIMMING Aug 18, 2019 Abandoned
Array ( [id] => 18704316 [patent_doc_number] => 11790831 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-17 [patent_title] => Active control of light emitting diodes and light emitting diode displays [patent_app_type] => utility [patent_app_number] => 16/542923 [patent_app_country] => US [patent_app_date] => 2019-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 60 [patent_no_of_words] => 35867 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16542923 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/542923
Active control of light emitting diodes and light emitting diode displays Aug 15, 2019 Issued
Array ( [id] => 15907171 [patent_doc_number] => 20200153106 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => POLARIZATION CONVERSION INTEGRATED HORN ANTENNA AND METHOD OF MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 16/542422 [patent_app_country] => US [patent_app_date] => 2019-08-16 [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] => -13 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16542422 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/542422
POLARIZATION CONVERSION INTEGRATED HORN ANTENNA AND METHOD OF MANUFACTURING THE SAME Aug 15, 2019 Abandoned
Array ( [id] => 15533351 [patent_doc_number] => 20200058981 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-20 [patent_title] => ANTENNA STRUCTURE [patent_app_type] => utility [patent_app_number] => 16/542430 [patent_app_country] => US [patent_app_date] => 2019-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5190 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16542430 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/542430
Antenna structure Aug 15, 2019 Issued
Array ( [id] => 15533411 [patent_doc_number] => 20200059011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-20 [patent_title] => Radio Frequency Front End For Full Duplex Wireless Communications [patent_app_type] => utility [patent_app_number] => 16/542839 [patent_app_country] => US [patent_app_date] => 2019-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5350 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16542839 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/542839
Radio frequency front end for full duplex wireless communications Aug 15, 2019 Issued
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