Inventor · disambiguated record
Tsuyoshi Nagasawa
Also filed as: NAGASAWA TSUYOSHI
4 granted patents·36 citations·filing 1986–1992
75Inventor score
Technology areasG11B
Files withSONY CORP4
Top patents by PatentIndex Score
4 records- 0156US5151832ATape loading deviceSONY CORP·Filed 1990·Granted Sep 29, 1992·13 cites·16 claims
- 0255US4908723ACompact recording and/or reproducing apparatus with oblique rotary headSONY CORP·Filed 1986·Granted Mar 13, 1990·11 cites·41 claims
- 0348US5291352AMechanism for loading and unloading a cassette tapeSONY CORP·Filed 1992·Granted Mar 1, 1994·9 cites·7 claims
- 0434US4777546ACassette-type magnetic tape recording and/or reproducing apparatus with single motor for tape loading and unloading and for pinch roller actuationSONY CORP·Filed 1986·Granted Oct 11, 1988·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →