Inventor · disambiguated record
Ko Ishii
Also filed as: ISHII KO
15 granted patents·150 citations·filing 1975–2007
92Inventor score
Top patents by PatentIndex Score
15 records- 0190US6480456B1Optical pickup apparatus for reading different types of recording media at different reading wavelengthsPIONEER CORP·Filed 2000·Granted Nov 12, 2002·36 cites·11 claims
- 0284US6452880B1Optical pickup apparatusPIONEER CORP·Filed 2000·Granted Sep 17, 2002·21 cites·11 claims
- 0374US6429981B2Optical pickup apparatusPIONEER CORP·Filed 2001·Granted Aug 6, 2002·10 cites·5 claims
- 0471US7680007B2Optical state recognizer, information processor, and optical state recognizing methodPIONEER CORP·Filed 2005·Granted Mar 16, 2010·2 cites·7 claims
- 0568US6798727B2Optical pickup apparatusPIONEER CORP·Filed 2001·Granted Sep 28, 2004·8 cites·6 claims
- 0668US4037020AAdhesive comprising post-chlorinated polyethylene and polyvinyl chlorideSUMITOMO BAKELITE CO·Filed 1975·Granted Jul 19, 1977·20 cites·21 claims
- 0767US4089726AAdhesive comprising post-chlorinated polyethylene and polyvinyl chlorideSUMITOMO BAKELITE CO·Filed 1975·Granted May 16, 1978·19 cites·8 claims
- 0862US8463575B2Gear meshing angle detection method and deviceKIKUCHI TOSHIMASA·Filed 2007·Granted Jun 11, 2013·4 cites·8 claims
- 0961US6781947B2Optical pickup apparatusPIONEER CORP·Filed 2001·Granted Aug 24, 2004·5 cites·6 claims
- 1053US6980496B2Information recording/reproducing apparatusPIONEER CORP·Filed 2002·Granted Dec 27, 2005·2 cites·19 claims
- 1153US4029850AAdhesive comprising post-chlorinated polyethylene and polyvinyl chlorideSUMITOMO BAKELITE CO·Filed 1975·Granted Jun 14, 1977·22 cites·5 claims
- 1249US7764586B2Aberration correcting apparatus, optical pickup, and aberration correcting methodPIONEER CORP·Filed 2006·Granted Jul 27, 2010·0 cites·12 claims
- 1343US7170831B2Optical pickup astigmatism measuring method, optical pickup astigmatism adjusting method, and optical pickup astigmatism measuring systemPIONEER CORP·Filed 2004·Granted Jan 30, 2007·1 cites·5 claims
- 1439US6912234B2Optical pickup apparatus and laser diode chipPIONEER CORP·Filed 2001·Granted Jun 28, 2005·0 cites·5 claims
- 1535US7064308B2Method of and apparatus for adjusting the focus position of an optical pickupPIONEER CORP·Filed 2004·Granted Jun 20, 2006·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →