Inventor · disambiguated record
Katsuya Yokoyama
Also filed as: YOKOYAMA KATSUYA
5 granted patents·37 citations·filing 1979–1996
79Inventor score
Top patents by PatentIndex Score
5 records- 0156US4234898ADigital magnetic recording and reproducing apparatusJAPAN BROADCASTING CORP·Filed 1979·Granted Nov 18, 1980·9 cites·9 claims
- 0245US4875610AMethod of and system for driving magnetic tapeFUJI PHOTO FILM CO LTD·Filed 1988·Granted Oct 24, 1989·6 cites·21 claims
- 0341US5837332AMethod and apparatus for preparing crystal thin films by using a surface acoustic waveNIHON VICTOR KABUSHIKI KAISHA·Filed 1996·Granted Nov 17, 1998·11 cites·12 claims
- 0439US4809118APCM helical-scan magnetic record/playback systemsJAPAN BROADCASTING CORP·Filed 1986·Granted Feb 28, 1989·7 cites·4 claims
- 0534US4839744AVideo signal recording method and associated recording/reproducing apparatusJAPAN BROADCASTING CORP·Filed 1987·Granted Jun 13, 1989·4 cites·4 claims
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