IM

Isao Matsumoto

Sumitomo Electric Industries: 2 patents #257 of 1,892Top 15%
SO Sony: 1 patents #281 of 1,124Top 25%
Overall (1994): #12,533 of 165,921Top 8%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5346781 Alkaline storage battery Kohji Yuasa, Munehisa Ikoma, Hiroshi Kawano, Osamu Takahashi 1994-09-13
5329173 Signal detecting circuit apparatus Daisuke Murakami, Kenji Kibayashi, Hideki Yoshida, Mitsuaki Nishie, Satoshi Takahashi +1 more 1994-07-12
5322745 Storage battery system Nobuyuki Yanagihara, Eiji Kadouchi, Munehisa Ikoma 1994-06-21