MI

Mari Ichikawa

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
Overall (All Time): #3,840,761 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5273860 Information recording medium Tetsuya Nishida, Shinkichi Horigome, Norio Ohta, Shuhei Nakamichi, Akira Gotoh 1993-12-28