Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455199 | Nonaqueous electrolyte secondary battery and method for manufacturing negative electrode of the same | Masaki Kitagawa, Hizuru Koshina, Toyoji Sugimoto, Kunio Tsuruta, Shuji Ito +4 more | 2002-09-24 |
| 6258477 | Explosion-proof nonaqueous electrolyte secondary cell and rupture pressure setting method therefor | Katsuhiko Mori, Kenjin Masumoto, Kunio Tsuruta | 2001-07-10 |
| 6242126 | Explosion-proof seal plate for enclosed type cell and production method thereof | Katsuhiko Mori, Yasushi Hirakawa, Kazuo Saito, Kazuhiko Watanabe | 2001-06-05 |