Search

Wai Lun Leung

Examiner (ID: 4304, Phone: (571)272-5504 , Office: P/2637 )

Most Active Art Unit
2637
Art Unit(s)
2633, 2637, 2613
Total Applications
639
Issued Applications
506
Pending Applications
9
Abandoned Applications
130

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 12264511 [patent_doc_number] => 20180083707 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-22 [patent_title] => 'APPARATUS AND METHODS FOR DIGITAL SIGNAL CONSTELLATION TRANSFORMATION' [patent_app_type] => utility [patent_app_number] => 15/820304 [patent_app_country] => US [patent_app_date] => 2017-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 12905 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15820304 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/820304
Apparatus and methods for digital signal constellation transformation Nov 20, 2017 Issued
Array ( [id] => 13058583 [patent_doc_number] => 10050702 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-08-14 [patent_title] => Real-time Raman gain monitoring [patent_app_type] => utility [patent_app_number] => 15/698001 [patent_app_country] => US [patent_app_date] => 2017-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 12065 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15698001 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/698001
Real-time Raman gain monitoring Sep 6, 2017 Issued
Array ( [id] => 12309837 [patent_doc_number] => 09939651 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-04-10 [patent_title] => Wavelength division monolithic optical device [patent_app_type] => utility [patent_app_number] => 15/664424 [patent_app_country] => US [patent_app_date] => 2017-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 9449 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15664424 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/664424
Wavelength division monolithic optical device Jul 30, 2017 Issued
Array ( [id] => 12296088 [patent_doc_number] => 09935720 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-04-03 [patent_title] => Control of LO signal frequency offset between optical transmitters and receivers [patent_app_type] => utility [patent_app_number] => 15/644084 [patent_app_country] => US [patent_app_date] => 2017-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 6702 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15644084 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/644084
Control of LO signal frequency offset between optical transmitters and receivers Jul 6, 2017 Issued
Array ( [id] => 11998220 [patent_doc_number] => 20170302376 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-19 [patent_title] => 'RECONSTRUCTING LIGHT-BASED COMMUNICATION SIGNALS CAPTURED WITH A ROLLING SHUTTER IMAGE CAPTURE DEVICE' [patent_app_type] => utility [patent_app_number] => 15/636659 [patent_app_country] => US [patent_app_date] => 2017-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11917 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15636659 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/636659
Reconstructing light-based communication signals captured with a rolling shutter image capture device Jun 28, 2017 Issued
Array ( [id] => 12555279 [patent_doc_number] => 10014658 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-07-03 [patent_title] => Semiconductor optical amplifier with asymmetric mach-zehnder interferometers [patent_app_type] => utility [patent_app_number] => 15/599083 [patent_app_country] => US [patent_app_date] => 2017-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4470 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15599083 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/599083
Semiconductor optical amplifier with asymmetric mach-zehnder interferometers May 17, 2017 Issued
Array ( [id] => 12473607 [patent_doc_number] => 09989786 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-05 [patent_title] => Optical transmission device, optical modulator, and bias control method [patent_app_type] => utility [patent_app_number] => 15/477763 [patent_app_country] => US [patent_app_date] => 2017-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5931 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15477763 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/477763
Optical transmission device, optical modulator, and bias control method Apr 2, 2017 Issued
Array ( [id] => 11825536 [patent_doc_number] => 20170214473 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-27 [patent_title] => 'SIGNAL EQUALIZER IN A COHERENT OPTICAL RECEIVER' [patent_app_type] => utility [patent_app_number] => 15/425507 [patent_app_country] => US [patent_app_date] => 2017-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7054 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15425507 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/425507
SIGNAL EQUALIZER IN A COHERENT OPTICAL RECEIVER Feb 5, 2017 Abandoned
Array ( [id] => 11593572 [patent_doc_number] => 20170117984 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-27 [patent_title] => 'Optical Line Terminal Communication Method and Device With Data Structure' [patent_app_type] => utility [patent_app_number] => 15/397410 [patent_app_country] => US [patent_app_date] => 2017-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 9900 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15397410 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/397410
Optical line terminal communication method and device with data structure Jan 2, 2017 Issued
Array ( [id] => 11877811 [patent_doc_number] => 09749600 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-29 [patent_title] => 'Systems and methods for enhancing media with optically narrowcast content' [patent_app_type] => utility [patent_app_number] => 15/395866 [patent_app_country] => US [patent_app_date] => 2016-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 65 [patent_figures_cnt] => 93 [patent_no_of_words] => 69471 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15395866 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/395866
Systems and methods for enhancing media with optically narrowcast content Dec 29, 2016 Issued
Array ( [id] => 12175683 [patent_doc_number] => 09893834 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-02-13 [patent_title] => 'Locally powered optical communication network' [patent_app_type] => utility [patent_app_number] => 15/378478 [patent_app_country] => US [patent_app_date] => 2016-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 8768 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15378478 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/378478
Locally powered optical communication network Dec 13, 2016 Issued
Array ( [id] => 11533515 [patent_doc_number] => 20170093496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-30 [patent_title] => 'NETWORK NODE AND A METHOD THEREIN ENABLING A FIRST UNIT TO CONNECT OR TO BE CONNECTED AD-HOC TO A SECOND UNIT' [patent_app_type] => utility [patent_app_number] => 15/377074 [patent_app_country] => US [patent_app_date] => 2016-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5947 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15377074 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/377074
Network node and a method therein enabling a first unit to connect or to be connected ad-hoc to a second unit Dec 12, 2016 Issued
Array ( [id] => 12438873 [patent_doc_number] => 09979478 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-22 [patent_title] => Pico projector with visible light communication (VLC) and method for VLC using the same [patent_app_type] => utility [patent_app_number] => 15/359627 [patent_app_country] => US [patent_app_date] => 2016-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3124 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15359627 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/359627
Pico projector with visible light communication (VLC) and method for VLC using the same Nov 22, 2016 Issued
Array ( [id] => 12337137 [patent_doc_number] => 09948384 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-04-17 [patent_title] => Identifying network faults [patent_app_type] => utility [patent_app_number] => 15/360616 [patent_app_country] => US [patent_app_date] => 2016-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 12062 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15360616 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/360616
Identifying network faults Nov 22, 2016 Issued
Array ( [id] => 12013479 [patent_doc_number] => 09806811 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-31 [patent_title] => 'Visible light communications personal area network controller and access point systems and methods' [patent_app_type] => utility [patent_app_number] => 15/354350 [patent_app_country] => US [patent_app_date] => 2016-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 8683 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 15354350 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/354350
Visible light communications personal area network controller and access point systems and methods Nov 16, 2016 Issued
Array ( [id] => 11504588 [patent_doc_number] => 20170078773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-16 [patent_title] => 'OPTICAL ACCESS NETWORK' [patent_app_type] => utility [patent_app_number] => 15/344168 [patent_app_country] => US [patent_app_date] => 2016-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4723 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15344168 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/344168
Optical access network Nov 3, 2016 Issued
Array ( [id] => 13683959 [patent_doc_number] => 20160380716 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-29 [patent_title] => METHOD AND SYSTEM FOR REMOVING A PILOT TONE FROM AN OPTICAL SIGNAL [patent_app_type] => utility [patent_app_number] => 15/258661 [patent_app_country] => US [patent_app_date] => 2016-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5672 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15258661 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/258661
Method and system for removing a pilot tone from an optical signal Sep 6, 2016 Issued
Array ( [id] => 11533519 [patent_doc_number] => 20170093499 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-30 [patent_title] => 'TIME SAMPLED PHOTODETECTOR DEVICES AND METHODS' [patent_app_type] => utility [patent_app_number] => 15/248582 [patent_app_country] => US [patent_app_date] => 2016-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8535 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15248582 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/248582
Time sampled photodetector devices and methods Aug 25, 2016 Issued
Array ( [id] => 11940335 [patent_doc_number] => 20170244486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-24 [patent_title] => 'OPTICAL SIGNAL TRANSMISSION SYSTEM AND METHOD OF ALLOCATING CENTER FREQUENCIES OF INTERMEDIATE FREQUENCY (IF) CARRIERS FOR FREQUENCY DIVISION MULTIPLEXING (FDM) OPTICAL FIBER LINK' [patent_app_type] => utility [patent_app_number] => 15/245315 [patent_app_country] => US [patent_app_date] => 2016-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4168 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15245315 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/245315
Optical signal transmission system and method of allocating center frequencies of intermediate frequency (IF) carriers for frequency division multiplexing (FDM) optical fiber link Aug 23, 2016 Issued
Array ( [id] => 12250848 [patent_doc_number] => 09923640 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-03-20 [patent_title] => 'Transmission apparatus and transmission system' [patent_app_type] => utility [patent_app_number] => 15/244169 [patent_app_country] => US [patent_app_date] => 2016-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 30 [patent_no_of_words] => 11409 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15244169 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/244169
Transmission apparatus and transmission system Aug 22, 2016 Issued
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