Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5595836 | Manganese dry battery | Eiji Tano, Shohei Nozaki, Hajime Murakami, Kohei Kubota, Akira Kato +1 more | 1997-01-21 |
RA
Ryohei Ashihara
Mitsui Mining & Smelting Co.: 1 patents #5 of 29Top 20%
Overall (1997): #82,021 of 185,788Top 45%
1
Patents 1997