Inventor · disambiguated record
Shigeru Oohchida
Also filed as: OOHCHIDA SHIGERU
8 granted patents·2 pending applications·102 citations·filing 1999–2010
87Inventor score
Top patents by PatentIndex Score
10 records- 0187US6584060B1Optical pick-up device for recording/reading information on optical recording mediumRICOH KK·Filed 1999·Granted Jun 24, 2003·46 cites·14 claims
- 0284US6822771B2Optical pickup unit and optical disk drive for accurate and stable information recording and reproductionRICOH KK·Filed 2002·Granted Nov 23, 2004·19 cites·32 claims
- 0379US7164532B2Diffraction grating, light source unit applying the same therein, and optical head device employing the sameRICOH KK·Filed 2003·Granted Jan 16, 2007·13 cites·15 claims
- 0477US7110180B2Diffraction grating, method of fabricating diffraction optical element, optical pickup device, and optical disk driveRICOH KK·Filed 2003·Granted Sep 19, 2006·10 cites·10 claims
- 0565US8760501B2Stereo camera apparatus and vehicle-mountable monitoring apparatus using sameOOHCHIDA SHIGERU·Filed 2010·Granted Jun 24, 2014·3 cites·11 claims
- 0663US6845077B2Optical pick-up device with convergent light diffraction for recording/reading information on optical recording mediumRICOH KK·Filed 2003·Granted Jan 18, 2005·4 cites·24 claims
- 0761US7511887B2Diffraction grating, method of fabricating diffraction optical element, optical pickup device, and optical disk driveRICOH KK·Filed 2006·Granted Mar 31, 2009·2 cites·17 claims
- 0860US7577076B2Tilt sensor using diffraction gratingRICOH KK·Filed 2004·Granted Aug 18, 2009·5 cites·5 claims
- 0941US2005116137A1Optical pick-up device for recording/reading information on optical recording mediumFiled 2004·Application pending·0 cites
- 1038US2004202088A1Polarizing optical element, diffractive optical element, optical element unit, optical pickup apparatus, and optical disk drive apparatusFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →