YI

Yoichi Izumi

Sumitomo Electric Industries: 23 patents #806 of 21,551Top 4%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
SU Subaru: 1 patents #677 of 1,436Top 50%
SU Subaru: 1 patents #819 of 1,684Top 50%
Overall (All Time): #141,459 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
5837317 Method of producing hydrogen storage alloy for battery Yoshio Moriwaki, Yasuharu Yamamura, Hideo Kaiya 1998-11-17
5389468 Alkaline storage battery Shozo Fujiwara, Yoshio Moriwaki, Isao Matsumoto 1995-02-14