YH

Yoichi Hishijima

SO Sony: 2 patents #12,963 of 25,231Top 55%
Overall (All Time): #2,304,723 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5251076 Recording apparatus for electrocardiographs Motoharu Hagiwara, Kazumasa Sato, Isao Tamaki, Tadao Sasaki, Yasukazu Sato +2 more 1993-10-05
4357639 Magnetic tape loading apparatus Hideki Hama 1982-11-02