Inventor · disambiguated record
Hitoshi Tamada
Also filed as: TAMADA HITOSHI
28 granted patents·2 pending applications·392 citations·filing 1983–2005
97Inventor score
Files withSONY CORP29
Top patents by PatentIndex Score
30 records- 0194US4612587AThermomagnetic recording and reproducing systemSONY CORP·Filed 1983·Granted Sep 16, 1986·48 cites·17 claims
- 0291US6987606B2Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatusSONY CORP·Filed 2005·Granted Jan 17, 2006·8 cites·1 claims
- 0391US5748368APolarization optical elementSONY CORP·Filed 1995·Granted May 5, 1998·108 cites·13 claims
- 0486US5426310AMethod of heat-treating an oxide optical crystal and a heat treatment apparatus for carrying out the sameSONY CORP·Filed 1994·Granted Jun 20, 1995·47 cites·12 claims
- 0577US7072097B2Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatusSONY CORP·Filed 2005·Granted Jul 4, 2006·2 cites·19 claims
- 0677US7042627B2Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatusSONY CORP·Filed 2003·Granted May 9, 2006·11 cites·58 claims
- 0776US6992812B2Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatusSONY CORP·Filed 2005·Granted Jan 31, 2006·5 cites·1 claims
- 0876US5459807AOptical waveguide device and second harmonic generator using the sameSONY CORP·Filed 1994·Granted Oct 17, 1995·41 cites·10 claims
- 0970US6987616B2Light reflection/diffraction device, light reflection/diffraction device array, and image displaySONY CORP·Filed 2003·Granted Jan 17, 2006·13 cites·18 claims
- 1070US6559937B2Inspection apparatus and methodSONY CORP·Filed 2000·Granted May 6, 2003·9 cites·13 claims
- 1169US5022729AOptical waveguide and second harmonic generatorSONY CORP·Filed 1989·Granted Jun 11, 1991·26 cites·7 claims
- 1260US6999229B2Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatusSONY CORP·Filed 2005·Granted Feb 14, 2006·1 cites·1 claims
- 1359US6934240B2Optical element, optical head and signal reproducing methodSONY CORP·Filed 2001·Granted Aug 23, 2005·3 cites·7 claims
- 1456US7369289B2Optical modulation device and image display apparatus using the sameSONY CORP·Filed 2004·Granted May 6, 2008·5 cites·16 claims
- 1555US7466470B2Aggregate of electronic device chips, electronic device chip, aggregate of diffraction grating light modulators, and diffraction grating light modulatorSONY CORP·Filed 2005·Granted Dec 16, 2008·1 cites·8 claims
- 1648US6813061B2Electrostatic machine element, light diffraction modulation element and image display deviceSONY CORP·Filed 2003·Granted Nov 2, 2004·2 cites·16 claims
- 1744US6465810B1Semiconductor light emitting device and its manufacturing methodSONY CORP·Filed 1999·Granted Oct 15, 2002·10 cites·15 claims
- 1844US5150447AOptical waveguide which is formed by liquid phase epitaxial growthSONY CORP·Filed 1991·Granted Sep 22, 1992·13 cites·7 claims
- 1939US4642795AThermomagnetic recording systemSONY CORP·Filed 1984·Granted Feb 10, 1987·3 cites·5 claims
- 2039US2005133698A1Optical apparatus and image production apparatusSONY CORP·Filed 2004·Application pending·0 cites
- 2138US4898440AOptical waveguide deviceSONY CORP·Filed 1988·Granted Feb 6, 1990·6 cites·3 claims
- 2238US4745380AYIG thin film microwave apparatusSONY CORP·Filed 1986·Granted May 17, 1988·5 cites·1 claims
- 2337US6282006B1Optical communications apparatus and methodSONY CORP·Filed 1998·Granted Aug 28, 2001·6 cites·20 claims
- 2436US6451492B2Inspection apparatus and methodSONY CORP·Filed 2000·Granted Sep 17, 2002·0 cites·13 claims
- 2536US2002067477A1Patten inspection apparatus, and exposure apparatus control system using sameFiled 2001·Application pending·0 cites
- 2635US5732060AOptical pickup and optical recording medium reproducing apparatus having a wire grid unitSONY CORP·Filed 1996·Granted Mar 24, 1998·2 cites·14 claims
- 2734US6411420B1Electro-optical element, and method of driving and method of manufacturing the sameSONY CORP·Filed 1999·Granted Jun 25, 2002·8 cites·25 claims
- 2834US4746884AYIG thin film microwave apparatusSONY CORP·Filed 1986·Granted May 24, 1988·3 cites·2 claims
- 2933US5168388AOptical waveguide device and optical second harmonic generator using the sameSONY CORP·Filed 1991·Granted Dec 1, 1992·4 cites·12 claims
- 3031US5341450ALiNbO3 thin film optical waveguide device and process for producing the sameSONY CORP·Filed 1992·Granted Aug 23, 1994·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →