LexDanaLexDanabeta
Inventor

Junji Yoshida

Inventor
Tokyo, JP

Overview

81→
Patents
1996–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 81 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light31%
H04NPictorial communication, e.g. television12%
B82YSpecific uses or applications of nanostructures10%
G11BInformation storage based on relative movement between record carrier and transducer6%
G02BOptical elements, systems or apparatus5%
H04LTransmission of digital information, e.g. telegraphic communication4%
G06FElectric digital data processing3%
H04BTransmission3%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
10,944,236Optical unit, fixing mechanism for optical unit, and semiconductor laser module202110,938,183Wavelength-variable laser202110,753,008Nickel plated coating and method of manufacturing the same202010,511,150Wavelength-variable laser201910,203,153Refrigerator201910,020,638Optical semiconductor device, semiconductor laser module, and optical fiber amplifier20189,711,945'Method of designing semiconductor laser device, method of designing raman amplifier, methods of manufacturing semiconductor laser device, semiconductor laser device, raman amplifier, and optical communication system'20179,601,905'Optical semiconductor device, semiconductor laser module, and optical fiber amplifier'20179,503,774'Information display device'20169,349,283'Remote operation system and remote controller'20169,083,150'Optical semiconductor device, semiconductor laser module, and optical fiber amplifier'20159,017,830'Shearing die and method for manufacturing the same'20158,746,054'Peel tester, method for evaluating impact peel characteristics, adhesive tape and mobile device'20148,732,751'Audio video system, control apparatus, output apparatus, and program'20148,689,262'Broadcast receiving device'20148,601,520'Input and output switching device and input and output switching method'20138,547,631'Semiconductor optical amplifier'20138,385,379'Optical semiconductor device and pumping light source for optical fiber amplifier'20138,365,232'Method, device, system, program, and integrated circuit for wireless transmission'20138,345,165'Audio video system, control apparatus, output apparatus, and program'20138,322,486'Intake sound generation apparatus for internal combustion engine'20128,307,059'Network system, control apparatus, terminal apparatus, and connection state determining method'20128,284,094'Wireless control system'20128,238,726'Audio-video data synchronization method, video output device, audio output device, and audio-video output system'20128,233,029'Reproduction apparatus and system'20128,189,990'Digital broadcast receiving apparatus, recording apparatus, method and system'20128,127,585'Process for manufacturing outer ring member for constant-velocity joint'20128,072,548'Output control apparatus controlling an output of video or audio by automatically switching an input of a reproduction device and an output control system, a reproduction apparatus and a television for performing the same'20117,975,802'Intake air sound generation device'20117,949,762'Address managing method and communication apparatus'20117,933,485'Audio-video output device, audio output device, audio-video reproduction device, audio-video data reproduction system, and audio-video data reproduction method'20117,721,101'Communication apparatus and authentication apparatus'20107,685,326'Control device, and controlled device'20107,593,448'Semiconductor laser module and optical transmission apparatus using the semiconductor laser module'20097,564,563'Laser gyro and electronic device using the same'20097,246,180'Connection-confirmable information processing system, connection-confirmable information processing apparatus, information processing method by which connection is conformable, recorder, recording system, recording method, method for recognizing correspondence between node and terminal, computer, terminal, and program recor'20077,222,515'Impact test apparatus and impact test method'20077,199,919'Tunable multimode wavelength division multiplex Raman pump and amplifier, and a system, method, and computer program product for controlling tunable Raman pumps, and Raman amplifiers'20077,194,548'Data transmission apparatus, receiving apparatus, and sending apparatus'20077,194,014'Semiconductor laser device, semiconductor laser module, and optical fiber amplifier using the semiconductor laser module'20077,082,152'Semiconductor laser apparatus, semiconductor laser module, optical fiber amplifier and semiconductor laser usage determining method'20067,072,373'Ridge waveguide semiconductor laser diode'20067,072,372'Semiconductor laser device, semiconductor laser module, and optical fiber amplifier'20067,058,081'Transmitting apparatus, transmitting method, source packet generating apparatus, source packet generating method, packet mode determining method, medium and program'20067,006,545'Semiconductor laser device and optical fiber amplifier using the same'20066,996,149'Semiconductor laser device and semiconductor laser module'20066,967,982'Semiconductor laser device with a strain reduction cushion function, semiconductor laser module, and semiconductor laser device fabrication method'20056,950,452'Semiconductor laser module and method for simultaneously reducing relative intensity noise (RIN) and stimulated brillouin scattering (SBS)'20056,947,463'Semiconductor laser device for use in a laser module'20056,937,599'Data source, data conversion device, inverse data conversion device, auxiliary data file generation device, reception method, medium and information aggregate'20056,934,311'Semiconductor laser module and Raman amplifier'20056,925,102'Semiconductor laser device, semiconductor laser module, and Raman amplifier using the device or module'20056,901,095'Semiconductor laser module, optical measuring method and optical measuring apparatus'20056,898,228'Semiconductor laser device, semiconductor laser module, Raman amplifier using the device or module, and method for forming a suitable current blocking layer'20056,876,680'Semiconductor laser device, semiconductor laser module, and optical fiber amplifier'20056,870,871'Semiconductor laser devices, and semiconductor laser modules and optical communication systems using the same'20056,845,117'Semiconductor laser device, semiconductor laser module, and optical fiber amplifier using the device or module'20056,829,285'Semiconductor laser device and method for effectively reducing facet reflectivity'20046,822,982'Device and method for providing a tunable semiconductor laser'20046,810,049'Semiconductor laser device and semiconductor laser module'20046,798,798'Semiconductor laser apparatus and fabrication method of same, and semiconductor laser module'20046,782,028'Semiconductor laser device for use in a semiconductor laser module and an optical amplifier'20046,765,935'Semiconductor laser module, manufacturing method thereof and optical amplifier'20046,760,352'Semiconductor laser device with a diffraction grating and semiconductor laser module'20046,750,478'Semiconductor laser device and method for suppressing fabry perot oscillations'20046,711,343'DATA RECORDING/REPRODUCING DEVICE, FILE MANAGING METHOD, FILE INFORMATION GENERATING METHOD, FILE MANAGING METHOD, MANAGEMENT INFORMATION GENERATING DEVICE, MANAGEMENT INFORMATION ANALYZING DEVICE, AND MEDIUM'20046,704,338'Semiconductor laser device, semiconductor laser module, and semiconductor laser control method'20046,680,960'Semiconductor laser device having a diffraction grating on a light emission side'20046,643,308'Semiconductor laser device and method for suppressing injection current'20036,614,822'Semiconductor laser devices, and semiconductor laser modules and optical communication systems using the same'20036,614,823'Semiconductor laser device having a diffraction grating on a light reflection side'20036,603,785'Semiconductor laser device'20036,567,447'Semiconductor laser device and semiconductor laser module using the same'20036,507,819'Sound signal processor for extracting sound signals from a composite digital sound signal'20036,335,216'Method for fabricating a semiconductor optical device having a ridge stripe'20026,115,116'Waveguide-type variable-sensitivity semiconductor photodetector'20006,060,018'Cold tool steel featuring high size stability, wear-resistance and machinability'20006,049,770'Video and voice signal processing apparatus and sound signal processing apparatus'20005,982,982'Video signal processing apparatus'19995,973,339'Semiconductor photodetector having an optical attenuator'19995,575,662'Methods for connecting flexible circuit substrates to contact objects and structures thereof'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2016Based in Osaka, JP· patent location history
1999–2021Patents assigned to FURUKAWA ELECTRIC CO LTD (44)· patent assignee history
1999–2007Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (8)· patent assignee history
1999–2009Based in Kyoto, JP· patent location history
2002–2021Based in Tokyo, JP· patent location history
2004–2010Based in Neyagawa, JP· patent location history
2004–2007Based in Chiyoda-ku, JP· patent location history
2010–2016Patents assigned to PANASONIC CORP (16)· patent assignee history
2011–2015Patents assigned to YOSHIDA JUNJI (16)· patent assignee history
2011–2013Patents assigned to YAMADA MASAZUMI (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FURUKAWA ELECTRIC CO LTD441999–2021
PANASONIC CORP162010–2016
YOSHIDA JUNJIself162011–2015
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD81999–2007
YAMADA MASAZUMI52011–2013
Locations
LocationPatentsSpan
Tokyo, JP392002–2021
Osaka, JP171996–2016
Neyagawa, JP62004–2010
Kyoto, JP41999–2009
Chiyoda-ku, JP42004–2007