Inventor · disambiguated record
Tatsuaki Sakurai
Also filed as: SAKURAI TATSUAKI
6 granted patents·82 citations·filing 1988–1999
83Inventor score
Files withRICOH KK6
Top patents by PatentIndex Score
6 records- 0181US5105410AMulti-beam optical pick-upRICOH KK·Filed 1988·Granted Apr 14, 1992·27 cites·25 claims
- 0268US4853934ASemiconductor laser control apparatusRICOH KK·Filed 1988·Granted Aug 1, 1989·19 cites·19 claims
- 0356US5991251AMethod and apparatus for changing laser beam power of an optical storage device for various types of compact disksRICOH KK·Filed 1997·Granted Nov 23, 1999·16 cites·34 claims
- 0449US6128259AOptical pickup apparatus for accurate detection of a tracking error signalRICOH KK·Filed 1998·Granted Oct 3, 2000·11 cites·17 claims
- 0539US5341355AMultibeam optical pickup and servo method thereofRICOH KK·Filed 1989·Granted Aug 23, 1994·4 cites·15 claims
- 0636US6353583B1Signal operational circuit for a multi-beam pick-up deviceRICOH KK·Filed 1999·Granted Mar 5, 2002·5 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →