Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4735876 | Zinc-alkaline battery | Akira Miura, Ryoji Okazaki, Kanji Takata | 1988-04-05 |
TO
Tsukasa Ohira
Mitsui Mining & Smelting Co.: 1 patents #444 of 838Top 55%
Overall (All Time): #3,949,550 of 4,157,543Top 95%
1
Patents All Time