Inventor · disambiguated record
Atsuo Matsuyama
Also filed as: MATSUYAMA ATSUO
5 granted patents·79 citations·filing 1974–1995
81Inventor score
Files withSONY CORP5
Top patents by PatentIndex Score
5 records- 0179US4390915AHelical scan type video tape recorderSONY CORP·Filed 1980·Granted Jun 28, 1983·24 cites·15 claims
- 0278US4507691AEditing control method and apparatus for video tape recordersSONY CORP·Filed 1982·Granted Mar 26, 1985·22 cites·34 claims
- 0357US4259625ARotational direction indicating apparatusSONY CORP·Filed 1978·Granted Mar 31, 1981·16 cites·15 claims
- 0455US3964096ACassette ejecting device for cassette-type video recording and/or reproducing apparatusSONY CORP·Filed 1974·Granted Jun 15, 1976·8 cites·13 claims
- 0550US5828841AVideo signal recording and reproduction apparatusSONY CORP·Filed 1995·Granted Oct 27, 1998·9 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →