Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8822715 | Method for producing aromatic diphosphates | Katsuichi Ohtsuki, Hiroshi Tsuji, Hiroki Sato | 2014-09-02 |
| 6706907 | Method of purifying organic phosphoric ester | Masasuke Oda | 2004-03-16 |
| 5880308 | Process for preparing aromatic bisphosphates | Shigeru Kawata, Kazuo Noguchi | 1999-03-09 |
| 5679824 | Method of pulverizing aromatic phosphates | Shouji Oda, Yukio Omoda | 1997-10-21 |