Inventor · disambiguated record
Yoshio Tokuyama
Also filed as: TOKUYAMA YOSHIO
14 granted patents·79 citations·filing 1980–1999
90Inventor score
Files withVICTOR COMPANY OF JAPAN14
Top patents by PatentIndex Score
14 records- 0170US4490755ARecording and reproducing video signals at selectable different tape traveling speeds from plural video head pairsVICTOR COMPANY OF JAPAN·Filed 1982·Granted Dec 25, 1984·16 cites·7 claims
- 0267US4521815AReproducing apparatus capable of performing high-speed reproduction of a video signalVICTOR COMPANY OF JAPAN·Filed 1982·Granted Jun 4, 1985·14 cites·5 claims
- 0363US4307417AVideo signal reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1980·Granted Dec 22, 1981·16 cites·6 claims
- 0461US4510533ASystem for reproducing a video signal in a slow motion or still picture reproductionVICTOR COMPANY OF JAPAN·Filed 1983·Granted Apr 9, 1985·15 cites·11 claims
- 0545US4725898APseudo vertical synchronizing signal producing circuitVICTOR COMPANY OF JAPAN·Filed 1986·Granted Feb 16, 1988·9 cites·14 claims
- 0637US4796103AControl pulse recording circuit for dual tape speed recording and reproducing apparatuses using two pairs of heads selectively for selected speed including recording delayed control pulsesVICTOR COMPANY OF JAPAN·Filed 1986·Granted Jan 3, 1989·4 cites·2 claims
- 0733US5771132ATracking error data detecting apparatus and VTR having the same apparatusVICTOR COMPANY OF JAPAN·Filed 1996·Granted Jun 23, 1998·2 cites·15 claims
- 0830US5381238AHelical scan type playback apparatus for video data recorded on magnetic tapeVICTOR COMPANY OF JAPAN·Filed 1993·Granted Jan 10, 1995·1 cites·4 claims
- 0930US5223941AHelical scan type playback apparatus for video data recorded on magnetic tapeVICTOR COMPANY OF JAPAN·Filed 1990·Granted Jun 29, 1993·1 cites·5 claims
- 1029US6621981B1Video signal recording/reproducing apparatus and reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1999·Granted Sep 16, 2003·0 cites·11 claims
- 1129US4688114ADrum servo circuitVICTOR COMPANY OF JAPAN·Filed 1986·Granted Aug 18, 1987·1 cites·9 claims
- 1229US4577243AControl signal generating circuit for a magnetic recording and/or reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1984·Granted Mar 18, 1986·0 cites·7 claims
- 1328US4680649ABack-space editing control circuit for rotary-head magnetic tape recording and reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1986·Granted Jul 14, 1987·0 cites·8 claims
- 1428US4514668AD.C. Motor driving circuitVICTOR COMPANY OF JAPAN·Filed 1983·Granted Apr 30, 1985·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →