Inventor · disambiguated record
Shozi Yoshikawa
Also filed as: YOSHIKAWA SHOZI
11 granted patents·321 citations·filing 1982–1988
92Inventor score
Files withOLYMPUS OPTICAL CO11
Top patents by PatentIndex Score
11 records- 0191US4734914AStabilized laser apparatusOLYMPUS OPTICAL CO·Filed 1986·Granted Mar 29, 1988·114 cites·8 claims
- 0290US4858219AOptical information recording reproducing memory system with both power control and optical irradiation inhibiting circuitOLYMPUS OPTICAL CO·Filed 1988·Granted Aug 15, 1989·46 cites·16 claims
- 0379US4713819ASemiconductor laser driverOLYMPUS OPTICAL CO·Filed 1986·Granted Dec 15, 1987·36 cites·5 claims
- 0477US4745588ATracking control apparatusOLYMPUS OPTICAL CO·Filed 1986·Granted May 17, 1988·22 cites·10 claims
- 0576US4745610ASemiconductor laser drive device with an abnormal voltage protection circuitOLYMPUS OPTICAL CO·Filed 1986·Granted May 17, 1988·24 cites·7 claims
- 0673US4745609AStabilized laser deviceOLYMPUS OPTICAL CO·Filed 1985·Granted May 17, 1988·21 cites·7 claims
- 0768US4728188ALight source degeradation detecting apparatus for laser deviceOLYMPUS OPTICAL CO·Filed 1986·Granted Mar 1, 1988·21 cites·5 claims
- 0868US4520280AApparatus for detecting input signalOLYMPUS OPTICAL CO·Filed 1982·Granted May 28, 1985·14 cites·12 claims
- 0960US4718068AStabilized laser device of optical information recording/reproduction apparatusOLYMPUS OPTICAL CO·Filed 1985·Granted Jan 5, 1988·12 cites·10 claims
- 1049US4499572AMethod for reading information or defect out of rotating discOLYMPUS OPTICAL CO·Filed 1982·Granted Feb 12, 1985·6 cites·8 claims
- 1142US4748605ABias-magnetic-field generating apparatus in magneto-optical information writing and erasing systemOLYMPUS OPTICAL CO·Filed 1985·Granted May 31, 1988·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →