Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7244529 | Alkaline dry battery | Shuji Fujiwara, Shigeto Noya, Yasuo Mukai, Michiko Fujiwara, Shinichi Sumiyama +1 more | 2007-07-17 |
| 6566009 | Alkaline battery | Shigeto Noya, Shinichi Sumiyama, Michiko Fujiwara, Yuji Mototani | 2003-05-20 |
| 6235430 | Alkaline storage battery | Miho Okamoto, Noboru Ito, Munehisa Ikoma | 2001-05-22 |
| 5955216 | Sealed alkaline storage battery | Yohei Hattori, Noboru Ito, Nobuyasu Morishita, Munehisa Ikoma | 1999-09-21 |