TY

Tetsuji Yoshii

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Overall (All Time): #1,292,908 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5434727 Tape recorder having a cassette-shutter opening mechanism Shingo Kage, Yosikazu Yamano, Yasunari Toyama 1995-07-18
5058100 Disc magazine 1991-10-15
4740856 Tape cassette and cassette recorder using the same Eiichi Hanakawa, Yuji Nakamura, Shuji Iwasaki, Teruyuki Takizawa 1988-04-26
4519521 Tape cassette 1985-05-28