IY

Isamu Yoshii

SO Sony: 2 patents #12,963 of 25,231Top 55%
Overall (All Time): #2,368,614 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4362581 Magnetic alloy Hiroshi Kimura, Kenji Abiko, Takashi Sato, Sadao Watanabe, Yutaka Takei 1982-12-07
4299622 Magnetic alloy Hiroshi Kimira, Kenji Abiko, Takashi Sato, Sadao Watanabe, Yutaka Takei 1981-11-10