Inventor · disambiguated record
Katsuharu Sato
Also filed as: SATO KATSUHARU
9 granted patents·132 citations·filing 1981–1990
89Inventor score
Top patents by PatentIndex Score
9 records- 0186US4773052ADual mode disk player/recorderPIONEER ELECTRONIC CORP·Filed 1985·Granted Sep 20, 1988·35 cites·9 claims
- 0285US4406520ABeam splitter optical system of signal pickup deviceUNIVERSAL PIONEER CORP·Filed 1981·Granted Sep 27, 1983·29 cites·11 claims
- 0361US5132950AOptical head having a prism for splitting a beam of light into two polarized light beamsPIONEER ELECTRONIC CORP·Filed 1990·Granted Jul 21, 1992·14 cites·9 claims
- 0461US4663750AFocus error detection device for an optical recording/playing back systemPIONEER ELECTRONIC CORP·Filed 1984·Granted May 5, 1987·11 cites·2 claims
- 0555US4658391AFocus error detection device for an optical recording/playing back systemPIONEER ELECTRONIC CORP·Filed 1984·Granted Apr 14, 1987·9 cites·2 claims
- 0653US4429378AOptical pickup device for use in a video and/or audio disc playerUNIVERSAL PIONEER CORP·Filed 1981·Granted Jan 31, 1984·8 cites·9 claims
- 0751US4513408AError detecting system of video/audio disc playerPIONEER VIDEO CORP·Filed 1982·Granted Apr 23, 1985·12 cites·3 claims
- 0848US5162661APosition detector for maintaining a fixed distance between two objectsPIONEER ELECTRONIC CORP·Filed 1990·Granted Nov 10, 1992·13 cites·26 claims
- 0930US5124970AOptical head having a prismPIONEER ELECTRONIC CORP·Filed 1990·Granted Jun 23, 1992·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →