Inventor · disambiguated record
Kazuhisa Takagi
Also filed as: TAKAGI KAZUHISA
52 granted patents·14 pending applications·895 citations·filing 1988–2020
98Inventor score
Files withMITSUBISHI ELECTRIC CORP42TAKAGI KAZUHISA8ASAHI RUBBER INC5ASAHI FR R&D CO LTD3ISHIMURA EITARO2
Top patents by PatentIndex Score
66 records- 0197US6521915B2Light-emitting diode deviceASAHI RUBBER INC·Filed 2001·Granted Feb 18, 2003·189 cites·15 claims
- 0297US6319425B1Transparent coating member for light-emitting diodes and a fluorescent color light sourceASAHI RUBBER INC·Filed 2000·Granted Nov 20, 2001·192 cites·48 claims
- 0387US6542525B1Light modulator and integrated semiconductor laser-light modulatorMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Apr 1, 2003·26 cites·10 claims
- 0486US8655116B2Optical modulatorISHIMURA EITARO·Filed 2011·Granted Feb 18, 2014·6 cites·6 claims
- 0585US8780949B2Optical semiconductor deviceTAKAGI KAZUHISA·Filed 2013·Granted Jul 15, 2014·6 cites·6 claims
- 0685US6777718B2Semiconductor optical deviceMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Aug 17, 2004·37 cites·10 claims
- 0784US6778751B2Optical modulator and photonic semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Aug 17, 2004·28 cites·15 claims
- 0884US6391233B1Method of producing a porous productASAHI RUBBER INC·Filed 2000·Granted May 21, 2002·26 cites·8 claims
- 0982US8526478B2Semiconductor optical integrated elementISHIMURA EITARO·Filed 2011·Granted Sep 3, 2013·7 cites·6 claims
- 1081US8724933B2Optical deviceTAKAGI KAZUHISA·Filed 2012·Granted May 13, 2014·6 cites·14 claims
- 1179US9698566B1Optical moduleMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Jul 4, 2017·2 cites·7 claims
- 1276US8279905B2Method of manufacturing semiconductor optical elementTAKAGI KAZUHISA·Filed 2012·Granted Oct 2, 2012·2 cites·3 claims
- 1375US9042008B2Optical semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2014·Granted May 26, 2015·2 cites·10 claims
- 1475US8068527B2Semiconductor optical elementTAKAGI KAZUHISA·Filed 2010·Granted Nov 29, 2011·2 cites·3 claims
- 1574US6455338B1Method of manufacturing an integrated semiconductor laser-modulator deviceMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Sep 24, 2002·39 cites·4 claims
- 1673US8715533B2Dielectric raw material, antenna device, portable phone and electromagnetic wave shielding bodyTAKAGI KAZUHISA·Filed 2005·Granted May 6, 2014·8 cites·14 claims
- 1773US8062466B2Base material for adhesion and silicone rubber-adhered article using thereofMORI KUNIO·Filed 2008·Granted Nov 22, 2011·1 cites·8 claims
- 1873US6999485B2Semiconductor optical deviceMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Feb 14, 2006·11 cites·11 claims
- 1972US7706422B2Semiconductor optical elementMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Apr 27, 2010·2 cites·2 claims
- 2071US5636234ASemiconductor laser device including heat sink with pn junctionMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Jun 3, 1997·35 cites·5 claims
- 2170US7397833B2Semiconductor laserMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Jul 8, 2008·2 cites·11 claims
- 2266US7773652B2Gain-coupled distributed feedback semiconductor laser having an improved diffraction gratingMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Aug 10, 2010·2 cites·2 claims
- 2366US6993213B2Semiconductor optical waveguide device including s-shaped waveguidesMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Jan 31, 2006·9 cites·9 claims
- 2465US7092145B2Optical wavelength converterMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Aug 15, 2006·9 cites·12 claims
- 2564US6667529B2Semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Dec 23, 2003·12 cites·8 claims
- 2663US6396854B1Encased semiconductor laser device in contact with a fluid and method of producing the laser deviceMITSUBISHI ELECTRIC CORP·Filed 1997·Granted May 28, 2002·25 cites·18 claims
- 2762US2011171480A1Three-dimensional silicone-rubber bonded objectASAHI RUBBER INC·Filed 2009·Application pending·0 cites
- 2861US6198854B1Mach-Zehnder modulatorMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Mar 6, 2001·29 cites·4 claims
- 2960US7365904B2Optical wavelength converterMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Apr 29, 2008·1 cites·7 claims
- 3060US7274953B2Portable telephone with reduced specific absorption rate and improved efficiencyFINE RUBBER KENKYUUSHO KK·Filed 2004·Granted Sep 25, 2007·7 cites·11 claims
- 3160US6623670B2Method of molding a transparent coating member for light-emitting diodesASAHI RUBBER INC·Filed 2001·Granted Sep 23, 2003·9 cites·15 claims
- 3260US6226310B1Semiconductor optical deviceMITSUBISHI ELECTRIC CORP·Filed 1998·Granted May 1, 2001·23 cites·4 claims
- 3360US5751754ASemiconductor laser including tunnel diode for reducing contact resistanceMITSUBISHI ELECTRIC CORP·Filed 1996·Granted May 12, 1998·23 cites·9 claims
- 3460US5684816ALight Interactive semiconductor device including wire connection at internal light distribution maximumMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Nov 4, 1997·23 cites·10 claims
- 3560US2012028042A1Base material for adhesion and silicone rubber-adhered article using thereofMORI KUNIO·Filed 2011·Application pending·0 cites
- 3657US7177337B2Semiconductor optical integrated circuitMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Feb 13, 2007·4 cites·8 claims
- 3757US2023335278A1Diagnosis assistance apparatus, diagnosis assistance method, and computer readable recording mediumNEC CORP·Filed 2020·Application pending·0 cites
- 3856US7773651B2Semiconductor laserMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Aug 10, 2010·0 cites·4 claims
- 3956US7218658B2Semiconductor laser deviceMITSUBISHI ELECTRIC CORP·Filed 2004·Granted May 15, 2007·4 cites·6 claims
- 4054US8179942B2Semiconductor optical elementTAKAGI KAZUHISA·Filed 2011·Granted May 15, 2012·0 cites·1 claims
- 4153US5721752ASemiconductor laser deviceMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Feb 24, 1998·17 cites·11 claims
- 4252US2013208350A1Optical semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2012·Application pending·0 cites
- 4351US8144741B2Semiconductor laserTAKAGI KAZUHISA·Filed 2010·Granted Mar 27, 2012·0 cites·1 claims
- 4451US6760141B2Semiconductor optical modulator and semiconductor optical deviceMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Jul 6, 2004·3 cites·8 claims
- 4550US9147997B2Optical semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Sep 29, 2015·0 cites·7 claims
- 4650US2015171592A1Modulator integrated laser deviceMITSUBISHI ELECTRIC CORP·Filed 2015·Application pending·0 cites
- 4749US5781578AOptical semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jul 14, 1998·15 cites·4 claims
- 4849US2016325278A1Three-dimensional microchemical chipASAHI FR R&D CO LTD·Filed 2014·Application pending·0 cites
- 4948US6845205B2Semiconductor optical deviceMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Jan 18, 2005·1 cites·7 claims
- 5048US2014112610A1Semiconductor optical modulatorMITSUBISHI ELECTRIC CORP·Filed 2013·Application pending·0 cites
Showing the top 50 of 66 patent records by PatentIndex Score.
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