Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5462816 | Air cell | Okiyoshi Okamura, Katsuma Sakai | 1995-10-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5462816 | Air cell | Okiyoshi Okamura, Katsuma Sakai | 1995-10-31 |