MK

Mitsuyoshi Koyama

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
📍 Yuki, JP: #33 of 59 inventorsTop 60%
Overall (All Time): #3,950,920 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4740948 Disc cartridge Yoshiyuki Nakamori, Seiichi Matsushima, Yasunori Kanazawa, Shinichi Abe, Nobuyuki Fujimoto 1988-04-26