Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343426 | Method of fabricating an annular tank | Katsuyuki Otsuka, Akio Todokoro, Yoshiharu Takahashi, Yoshinobu Ishikawa | 1982-08-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343426 | Method of fabricating an annular tank | Katsuyuki Otsuka, Akio Todokoro, Yoshiharu Takahashi, Yoshinobu Ishikawa | 1982-08-10 |