Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4587098 | Method of stabilized operation of acid digestion kettle of tantalum | Katsuyuki Ohtsuka, Ryukichi Mizuno, Hitoshi Miyazaki, Toshio Fukuzuka, Kazutoshi Shimogori +1 more | 1986-05-06 |