Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6120707 | Secondary battery | Takafumi Fujiwara, Hiroki Muraoka, Shoichiro Watanabe, Shigeo Kobayashi | 2000-09-19 |
| 6071648 | Non-aqueous electrolyte secondary batteries | Shoichiro Watanabe, Noriko Tanaka, Toshitada Sato, Shigeo Kobayashi | 2000-06-06 |