Inventor · disambiguated record
Tohru Musha
Also filed as: MUSHA TOHRU
11 granted patents·255 citations·filing 1981–1986
92Inventor score
Files withOLYMPUS OPTICAL CO11
Top patents by PatentIndex Score
11 records- 0195US4644516AOptical headOLYMPUS OPTICAL CO·Filed 1984·Granted Feb 17, 1987·50 cites·11 claims
- 0291US4425636AMethod and apparatus for reproducing optically an information recorded on a record medium along tracksOLYMPUS OPTICAL CO·Filed 1981·Granted Jan 10, 1984·39 cites·39 claims
- 0389US4423495AMethod and apparatus for recording optically an information signal on a record medium along tracksOLYMPUS OPTICAL CO·Filed 1981·Granted Dec 27, 1983·35 cites·33 claims
- 0488US4422168AMethod and apparatus for detecting a focussing condition of an objective lensOLYMPUS OPTICAL CO·Filed 1981·Granted Dec 20, 1983·31 cites·58 claims
- 0579US4455085AMethod and apparatus for detecting a focussing condition of an objective lensOLYMPUS OPTICAL CO·Filed 1981·Granted Jun 19, 1984·21 cites·36 claims
- 0677US4453239AMethod and apparatus for controlling the focusing and tracking of a light beam using a main and secondary light beam in association with multiple detectorsOLYMPUS OPTICAL CO·Filed 1981·Granted Jun 5, 1984·20 cites·10 claims
- 0768US4525825AMethod and apparatus for detecting focussing and tracking error signalsOLYMPUS OPTICAL CO·Filed 1981·Granted Jun 25, 1985·14 cites·32 claims
- 0863US4505584AMethod and apparatus for detecting focussing error signal of objective lensOLYMPUS OPTICAL CO·Filed 1982·Granted Mar 19, 1985·18 cites·28 claims
- 0954US4715024AOptical head with provision for tracking and focussing controlOLYMPUS OPTICAL CO·Filed 1986·Granted Dec 22, 1987·8 cites·3 claims
- 1050US4507764AObjective lens drive device with tracking error correction with flux of opposite directionOLYMPUS OPTICAL CO·Filed 1981·Granted Mar 26, 1985·12 cites·8 claims
- 1142US4509830ALight beam separation methodOLYMPUS OPTICAL CO·Filed 1982·Granted Apr 9, 1985·7 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →