Inventor · disambiguated record
Tetsuo Sawa
Also filed as: SAWA TETSUO
4 granted patents·84 citations·filing 1982–1983
78Inventor score
Technology areasG11B
Files withSONY CORP4
Top patents by PatentIndex Score
4 records- 0190US4510546AFlexible magnetic disc cassetteSONY CORP·Filed 1982·Granted Apr 9, 1985·41 cites·19 claims
- 0273US4544977AMagnetic disc deviceSONY CORP·Filed 1982·Granted Oct 1, 1985·18 cites·5 claims
- 0365US4644435AMicro floppy disc cassetteSONY CORP·Filed 1983·Granted Feb 17, 1987·13 cites·6 claims
- 0464US4581670AFlexible magnetic disc cassette with a slidably mounted shutterSONY CORP·Filed 1982·Granted Apr 8, 1986·12 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →