Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671375 | Telephone circuit | Toshihiko Umeda, Yoshiro Hasegawa | 2003-12-30 |
| 5965295 | Alkaline secondary battery, paste type positive electrode for alkaline secondary battery, method for manufacturing alkaline secondary battery | Naomi Bando, Tetsuya Yamane, Masayoshi Hiruma, Makoto Wakabayashi, Kunihiko Miyamoto +3 more | 1999-10-12 |
| 5707764 | Alkali secondary battery | Kunihiko Miyamoto, Ken Sugimoto | 1998-01-13 |
| 5506076 | Alkali secondary battery | Kunihiko Miyamoto, Ken Sugimoto | 1996-04-09 |