SK

Shoji Karasawa

Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
TO Toyota: 6 patents #4,786 of 26,838Top 20%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #874,480 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7291423 Prismatic sealed battery Hiromi Kajiya, Masato Onishi, Takashi Asahina, Shinji Hamada, Toyohiko Eto 2007-11-06
6965090 Battery manufacturing method and apparatus Yugo Nakagawa, Hiromi Kajiya 2005-11-15
6761993 Electrode plate unit for rechargeable battery and manufacturing method thereof Hiromi Kajiya, Yoshihiro Tokutome, Akihiro Taniguchi, Noriyuki Fujioka, Masaru Masaki 2004-07-13
6746494 Battery manufacturing method and apparatus Yugo Nakagawa, Hiromi Kajiya 2004-06-08
6475667 Electrode plate unit for rechargeable battery and manufacturing method thereof Masato Onishi, Toshiyuki Nishimori 2002-11-05
6440182 Method for bonding collector plates to end faces of electrode plates Hiromi Kajiya, Yoshihiro Tokutome, Masaru Masaki, Shinichi Hibino, You Noguchi 2002-08-27