SS

Shin'ichi Sakamoto

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
Overall (All Time): #3,823,279 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5208502 Sliding current collector made of ceramics Nobuyuki Yamashita, Kazuo Tahara, Akio Chiba, Masahisa Sobue, Toshimi Abukawa +1 more 1993-05-04