Inventor · disambiguated record
Akiyoshi Toyama
Also filed as: TOYAMA AKIYOSHI
5 granted patents·62 citations·filing 1985–1988
80Inventor score
Technology areasG11B
Top patents by PatentIndex Score
5 records- 0164US4953161AMagnetic head tracking device using plural gapsSANKYO SEIKI SEISAKUSHO KK·Filed 1988·Granted Aug 28, 1990·15 cites·9 claims
- 0263US4796120AMagnetic tape drive machineSANKYO SEIKI KEISAKUSHO KK·Filed 1987·Granted Jan 3, 1989·18 cites·11 claims
- 0363US4648001ARecording and reproducing disk cassette with improved, slidable shutter plateSANKYO SEIKI SEISAKUSHO KK·Filed 1985·Granted Mar 3, 1987·14 cites·8 claims
- 0454US4802040ADisk-type recording and reproducing apparatusSANKYO SEIKI SEISAKUSHO KK·Filed 1987·Granted Jan 31, 1989·10 cites·3 claims
- 0539US4953047AMagnetic head sandwich assembly having reduced thicknessSANKYO SEIKI SEISAKUSHO KK·Filed 1986·Granted Aug 28, 1990·5 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →