Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979514 | Collector used for an alkali storage battery | Takashi Nagase, Yoshihiro Masuda, Hideyuki Asanuma, Eiji Enishi, Toshiyuki Kondo | 2005-12-27 |
| 6468687 | Alkaline storage battery with reinforced separators | Teruhito Nagae, Kenji Arisawa, Etsuya Fujisaka, Masao Takee, Takeo Hamamatsu +1 more | 2002-10-22 |
| 6103424 | Rectangular battery | Takeo Hamamatsu, Masao Inoue, Takashi Nagase, Nobuyoshi Oi, Hirofumi Sako +3 more | 2000-08-15 |