Inventor · disambiguated record
Kiyoshi Toyota
Also filed as: TOYOTA KIYOSHI
15 granted patents·91 citations·filing 1985–2009
91Inventor score
Top patents by PatentIndex Score
15 records- 0180US5742577APrism has a plurality of reflective regions each with a predetermined phase differenceSONY CORP·Filed 1996·Granted Apr 21, 1998·26 cites·9 claims
- 0278US7821905B2Optical pickup device and optical disk deviceSONY CORP·Filed 2008·Granted Oct 26, 2010·4 cites·9 claims
- 0372US6529454B1Integrated optical component, optical pickup, and optical disc deviceSONY CORP·Filed 1999·Granted Mar 4, 2003·25 cites·27 claims
- 0457US7064900B2Optical pickup device and optical disk device and optical device and composite optical elementSONY CORP·Filed 2002·Granted Jun 20, 2006·3 cites·20 claims
- 0557US5563869APrism has a plurality of reflective regions each with a predetermined phase differenceSONY CORP·Filed 1995·Granted Oct 8, 1996·9 cites·5 claims
- 0656US7152159B2Encrypted mail transmission systemPANASONIC COMM CO LTD·Filed 2001·Granted Dec 19, 2006·6 cites·13 claims
- 0754US7345982B2Optical pickup device, optical disk drive, optical device and composite optical elementSONY CORP·Filed 2002·Granted Mar 18, 2008·2 cites·50 claims
- 0847US8125876B2Objective lens, optical pickup apparatus using the same, optical recording/reproduction apparatus using the same, and method of correcting aberration using the sameAIBA MOTOO·Filed 2009·Granted Feb 28, 2012·0 cites·17 claims
- 0946US7616548B2Optical pickup apparatus and optical disc apparatusSONY CORP·Filed 2005·Granted Nov 10, 2009·0 cites·2 claims
- 1043US5577018APhase changing apparatus and optical pickup apparatus for magneto-optic storage device using sameSONY CORP·Filed 1993·Granted Nov 19, 1996·4 cites·46 claims
- 1142US8226245B2Composite optical element and projection optical deviceUEDA MITSUNORI·Filed 2007·Granted Jul 24, 2012·0 cites·12 claims
- 1242US7248544B2Optical head and recording and/or reproducing apparatus employing sameSONY CORP·Filed 2004·Granted Jul 24, 2007·0 cites·30 claims
- 1341US5448535AHead position control deviceSONY CORP·Filed 1994·Granted Sep 5, 1995·5 cites·5 claims
- 1435US5732060AOptical pickup and optical recording medium reproducing apparatus having a wire grid unitSONY CORP·Filed 1996·Granted Mar 24, 1998·2 cites·14 claims
- 1535US4777356AReader for optical type record cardSONY CORP·Filed 1985·Granted Oct 11, 1988·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →