Inventor · disambiguated record
Junji Yoshida
Also filed as: YAMADA MASAZUMI · YOSHIDA JUNJI
87 granted patents·20 pending applications·735 citations·filing 1994–2025
99Inventor score
Files withFURUKAWA ELECTRIC CO LTD60PANASONIC CORP9MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8YOSHIDA JUNJI6NITTO DENKO CORP2
Top patents by PatentIndex Score
107 records- 0198US8233029B2Reproduction apparatus and systemYOSHIDA JUNJI·Filed 2006·Granted Jul 31, 2012·146 cites·6 claims
- 0297US12009636B2Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2023·Granted Jun 11, 2024·2 cites·11 claims
- 0396US10020638B2Optical semiconductor device, semiconductor laser module, and optical fiber amplifierFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Jul 10, 2018·11 cites·6 claims
- 0495US11581706B2Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2021·Granted Feb 14, 2023·2 cites·12 claims
- 0595US9601905B2Optical semiconductor device, semiconductor laser module, and optical fiber amplifierFURUKAWA ELECTRIC CO LTD·Filed 2015·Granted Mar 21, 2017·11 cites·2 claims
- 0692US9083150B2Optical semiconductor device, semiconductor laser module, and optical fiber amplifierFURUKAWA ELECTRIC CO LTD·Filed 2014·Granted Jul 14, 2015·10 cites·11 claims
- 0791US10511150B2Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2018·Granted Dec 17, 2019·6 cites·6 claims
- 0890US12327983B2Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2024·Granted Jun 10, 2025·0 cites·11 claims
- 0990US8238726B2Audio-video data synchronization method, video output device, audio output device, and audio-video output systemTAKATSUJI AYAKO·Filed 2009·Granted Aug 7, 2012·14 cites·11 claims
- 1090US7975802B2Intake air sound generation deviceNISSAN MOTOR·Filed 2009·Granted Jul 12, 2011·27 cites·12 claims
- 1189US8322486B2Intake sound generation apparatus for internal combustion engineOHTA KATSUHISA·Filed 2011·Granted Dec 4, 2012·18 cites·8 claims
- 1285US2025279629A1Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2025·Application pending·0 cites
- 1383US8601520B2Input and output switching device and input and output switching methodYOSHIDA JUNJI·Filed 2011·Granted Dec 3, 2013·6 cites·11 claims
- 1483US6614822B2Semiconductor laser devices, and semiconductor laser modules and optical communication systems using the sameFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Sep 2, 2003·22 cites·31 claims
- 1582US8345165B2Audio video system, control apparatus, output apparatus, and programPANASONIC CORP·Filed 2006·Granted Jan 1, 2013·6 cites·14 claims
- 1682US7222515B2Impact test apparatus and impact test methodNITTO DENKO CORP·Filed 2005·Granted May 29, 2007·12 cites·14 claims
- 1782US7194548B1Data transmission apparatus, receiving apparatus, and sending apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Mar 20, 2007·16 cites·39 claims
- 1880US8284094B2Wireless control systemHAMAI SHINJI·Filed 2009·Granted Oct 9, 2012·11 cites·10 claims
- 1979US8689262B2Broadcast receiving deviceYAMAMURA TOSHIKI·Filed 2006·Granted Apr 1, 2014·6 cites·19 claims
- 2079US8365232B2Method, device, system, program, and integrated circuit for wireless transmissionPANASONIC CORP·Filed 2010·Granted Jan 29, 2013·4 cites·13 claims
- 2179US6845117B2Semiconductor laser device, semiconductor laser module, and optical fiber amplifier using the device or moduleFURUKAWA ELECTRIC CO LTD·Filed 2002·Granted Jan 18, 2005·16 cites·28 claims
- 2279US5575662AMethods for connecting flexible circuit substrates to contact objects and structures thereofNITTO DENKO CORP·Filed 1994·Granted Nov 19, 1996·64 cites·6 claims
- 2378US11605935B2Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2021·Granted Mar 14, 2023·0 cites·6 claims
- 2478US7199919B2Tunable multimode wavelength division multiplex Raman pump and amplifier, and a system, method, and computer program product for controlling tunable Raman pumps, and Raman amplifiersFURUKAWA ELECTRIC CO LTD·Filed 2003·Granted Apr 3, 2007·14 cites·42 claims
- 2578US6822982B2Device and method for providing a tunable semiconductor laserFURUKAWA ELECTRIC CO LTD·Filed 2002·Granted Nov 23, 2004·14 cites·34 claims
- 2676US6782028B2Semiconductor laser device for use in a semiconductor laser module and an optical amplifierFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Aug 24, 2004·24 cites·35 claims
- 2776US6765935B2Semiconductor laser module, manufacturing method thereof and optical amplifierFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Jul 20, 2004·14 cites·67 claims
- 2874US8307059B2Network system, control apparatus, terminal apparatus, and connection state determining methodKASE HIROSHI·Filed 2008·Granted Nov 6, 2012·3 cites·12 claims
- 2974US6567447B1Semiconductor laser device and semiconductor laser module using the sameFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted May 20, 2003·12 cites·40 claims
- 3073US6614823B2Semiconductor laser device having a diffraction grating on a light reflection sideFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Sep 2, 2003·11 cites·40 claims
- 3172US9017830B2Shearing die and method for manufacturing the sameYAMAMOTO KENJI·Filed 2011·Granted Apr 28, 2015·2 cites·8 claims
- 3272US8385379B2Optical semiconductor device and pumping light source for optical fiber amplifierFURUKAWA ELECTRIC CO LTD·Filed 2010·Granted Feb 26, 2013·2 cites·14 claims
- 3372US7949762B2Address managing method and communication apparatusPANASONIC CORP·Filed 2006·Granted May 24, 2011·5 cites·5 claims
- 3472US6901095B2Semiconductor laser module, optical measuring method and optical measuring apparatusFURUKAWA ELECTRIC CO LTD·Filed 2002·Granted May 31, 2005·12 cites·10 claims
- 3572US6750478B2Semiconductor laser device and method for suppressing fabry perot oscillationsFURUKAWA ELECTRIC CO LTD·Filed 2002·Granted Jun 15, 2004·10 cites·48 claims
- 3671US6937599B1Data source, data conversion device, inverse data conversion device, auxiliary data file generation device, reception method, medium and information aggregateMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Aug 30, 2005·15 cites·11 claims
- 3770US2025023316A1Raman amplifier and method for designing raman amplifierFURUKAWA ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 3869US10938183B2Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2019·Granted Mar 2, 2021·0 cites·6 claims
- 3969US7058081B2Transmitting apparatus, transmitting method, source packet generating apparatus, source packet generating method, packet mode determining method, medium and programMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 6, 2006·8 cites·8 claims
- 4067US11322912B2Semiconductor laser array, semiconductor laser element, semiconductor laser module, and wavelength-variable laser assemblyFURUKAWA ELECTRIC CO LTD·Filed 2016·Granted May 3, 2022·1 cites·11 claims
- 4167US6643308B2Semiconductor laser device and method for suppressing injection currentFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Nov 4, 2003·8 cites·44 claims
- 4266US7072373B2Ridge waveguide semiconductor laser diodeFURUKAWA ELECTRIC CO LTD·Filed 2003·Granted Jul 4, 2006·8 cites·23 claims
- 4365US2024332884A1Light source, light source device, method of driving light source, raman amplifier, and raman amplification systemFURUKAWA ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 4464US6798798B2Semiconductor laser apparatus and fabrication method of same, and semiconductor laser moduleFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Sep 28, 2004·7 cites·47 claims
- 4564US6711343B1Data recording/reproducing device, file managing method, file information generating method, file managing method, management information generating device, management information analyzing device, and mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Mar 23, 2004·32 cites·5 claims
- 4664US6335216B1Method for fabricating a semiconductor optical device having a ridge stripeTHE FURUKAWA·Filed 2000·Granted Jan 1, 2002·10 cites·7 claims
- 4764US2023231629A1Light source, light source device, method of driving light source, raman amplifier, and raman amplification systemFURUKAWA ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 4863US6680960B2Semiconductor laser device having a diffraction grating on a light emission sideFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Jan 20, 2004·6 cites·46 claims
- 4962US6603785B2Semiconductor laser deviceFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Aug 5, 2003·6 cites·10 claims
- 5060US7006545B2Semiconductor laser device and optical fiber amplifier using the sameFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Feb 28, 2006·6 cites·18 claims
Showing the top 50 of 107 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →