Inventor · disambiguated record
Fumitaka Kotaka
Also filed as: KOTAKA FUMITAKA
5 granted patents·86 citations·filing 1978–1999
81Inventor score
Top patents by PatentIndex Score
5 records- 0186US4695158AFocus error detectorPIONEER ELECTRONIC CORP·Filed 1985·Granted Sep 22, 1987·38 cites·12 claims
- 0266US6594220B1Volume holographic memory and optical information recording/reproducing apparatusPIONEER CORP·Filed 1999·Granted Jul 15, 2003·18 cites·10 claims
- 0362US4290132AFocus servo device for use in an optical information read-out devicePIONEER ELECTRONIC CORP·Filed 1978·Granted Sep 15, 1981·11 cites·3 claims
- 0461US5420847AReproducing system for an optical discPIONEER ELECTRONIC CORP·Filed 1993·Granted May 30, 1995·13 cites·5 claims
- 0537US4261646ABeam splitter for optical playerUNIVERSAL PIONEER CORP·Filed 1979·Granted Apr 14, 1981·6 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →