Inventor · disambiguated record
Isamu Shibata
Also filed as: MAEDA IKUO · SHIBATA ISAMU
13 granted patents·368 citations·filing 1975–1992
94Inventor score
Files withRICOH KK13
Top patents by PatentIndex Score
13 records- 0196US4856011ASemiconductor laser control circuitRICOH KK·Filed 1988·Granted Aug 8, 1989·88 cites·6 claims
- 0286US5059774ASeek and track control for a rectangular optical card handling apparatusRICOH KK·Filed 1988·Granted Oct 22, 1991·33 cites·1 claims
- 0385US4663760ASemiconductor laser output control deviceRICOH KK·Filed 1986·Granted May 5, 1987·36 cites·4 claims
- 0483US4763334ALaser beam emitting apparatusRICOH KK·Filed 1986·Granted Aug 9, 1988·38 cites·24 claims
- 0581US4173402AOptoelectronic sensing apparatusRICOH KK·Filed 1978·Granted Nov 6, 1979·35 cites·10 claims
- 0675US4717925AOptical scanner without extra convergent lensRICOH KK·Filed 1986·Granted Jan 5, 1988·38 cites·6 claims
- 0769US4618958ADevice for controlling the radiating output of a semiconductor laserRICOH KK·Filed 1985·Granted Oct 21, 1986·18 cites·3 claims
- 0867US4899344ASemiconductor laser control apparatusRICOH KK·Filed 1988·Granted Feb 6, 1990·21 cites·20 claims
- 0963US4729617AScanning clock generating device for optical scannerRICOH KK·Filed 1986·Granted Mar 8, 1988·18 cites·2 claims
- 1063US4585297ALight deflectorRICOH KK·Filed 1983·Granted Apr 29, 1986·18 cites·5 claims
- 1160US4064443AControl system for D.C. motorRICOH KK·Filed 1975·Granted Dec 20, 1977·12 cites·1 claims
- 1253US5326678AHigh dielectric polymeric optical recording mediumRICOH KK·Filed 1992·Granted Jul 5, 1994·9 cites·18 claims
- 1339US5341355AMultibeam optical pickup and servo method thereofRICOH KK·Filed 1989·Granted Aug 23, 1994·4 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →