Inventor · disambiguated record
You Yoshitoshi
Also filed as: YOSHITOSHI YOU
8 granted patents·196 citations·filing 1985–1988
89Inventor score
Files withSONY CORP8
Top patents by PatentIndex Score
8 records- 0190US4731777AOptical disk playerSONY CORP·Filed 1985·Granted Mar 15, 1988·55 cites·7 claims
- 0284US4794588AOptical disk playerSONY CORP·Filed 1987·Granted Dec 27, 1988·43 cites·3 claims
- 0378US4823331AFocusing detection apparatusSONY CORP·Filed 1987·Granted Apr 18, 1989·24 cites·11 claims
- 0472US4873429AOptical pick-up head without pick-up of stray lightSONY CORP·Filed 1988·Granted Oct 10, 1989·18 cites·5 claims
- 0572US4687296AOptical pickupSONY CORP·Filed 1985·Granted Aug 18, 1987·18 cites·5 claims
- 0665US4893296AOptical pickup deviceSONY CORP·Filed 1988·Granted Jan 9, 1990·15 cites·14 claims
- 0764US4772784ASemiconductor laser apparatus for optical headSONY CORP·Filed 1987·Granted Sep 20, 1988·13 cites·5 claims
- 0856US4897828AOptical pickup deviceSONY CORP·Filed 1988·Granted Jan 30, 1990·10 cites·14 claims
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