Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320011 | Oil-containing waste water treating material consisting of modified active carbon | Hiroshi Sato, Yasuo Takenaka | 1982-03-16 |
| 4313844 | Inorganic ion exchanger | Hiroshi Sato, Hiroyuki Uchida | 1982-02-02 |