Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4694102 | Calcium carboxylate phenol derivative | Akiyoshi Oonishi, Kenji Tanaka, Kazuhiko Konno, Masaki Saito | 1987-09-15 |
| 4633008 | Anti-oxidant phenol derivatives | Akiyoshi Oonishi, Kenji Tanaka, Kazuhiko Konno, Masaki Saito | 1986-12-30 |