TS

Tetsuo Sawa

SO Sony: 4 patents #8,966 of 25,231Top 40%
Overall (All Time): #1,305,271 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4644435 Micro floppy disc cassette Tsuneo Nemoto 1987-02-17
4581670 Flexible magnetic disc cassette with a slidably mounted shutter Tsuneo Nemoto, Kazuo Ozawa 1986-04-08
4544977 Magnetic disc device Kazuo Ozawa 1985-10-01
4510546 Flexible magnetic disc cassette Shojiro Asami, Kazuo Ozawa 1985-04-09