Inventor · disambiguated record
Yoshiyuki Tsukai
Also filed as: TSUKAI YOSHIYUKI
5 granted patents·146 citations·filing 1983–1996
82Inventor score
Files withPIONEER ELECTRONIC CORP5
Top patents by PatentIndex Score
5 records- 0187US5867315ACrystal optic lens and an optical system for an optical pickup devicePIONEER ELECTRONIC CORP·Filed 1996·Granted Feb 2, 1999·88 cites·29 claims
- 0277US4624526AOptical pickup devicePIONEER ELECTRONIC CORP·Filed 1983·Granted Nov 25, 1986·20 cites·4 claims
- 0368US5710749AMethod and apparatus for determining an optical disc typePIONEER ELECTRONIC CORP·Filed 1996·Granted Jan 20, 1998·21 cites·10 claims
- 0463US4636628AOptically recorded data reading apparatus with inclination controllerPIONEER ELECTRONIC CORP·Filed 1985·Granted Jan 13, 1987·14 cites·8 claims
- 0536US4633454AOptical information pickup apparatusPIONEER ELECTRONIC CORP·Filed 1984·Granted Dec 30, 1986·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →