Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364859 | Method for producing oxide powder | Katsuyuki Ohtsuka, Jin Ohuchi | 1982-12-21 |
| 4343426 | Method of fabricating an annular tank | Katsuyuki Otsuka, Akio Todokoro, Kazuhito Hiroe, Yoshinobu Ishikawa | 1982-08-10 |