Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6696199 | Battery | Hiroaki Yoshida, Takefumi Inoue, Nobutaka Imamura, Tatsuya Iwamoto, Taro Naoi +4 more | 2004-02-24 |
| 5128218 | Sealed lead-acid battery | Akio Tokunaga, Toshiaki Hayashi, Masahiko Kosai, Takao Omae | 1992-07-07 |
| 4720440 | Monoblock sealed lead-acid storage battery | Kunio Yonezu, Masaharu Tsubota | 1988-01-19 |