Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987252 | Quenching process of reaction product gas containing methacrylic acid and treatment method of quenched liquid | Morimasa Kuragano, Takeshi Isobe, Isao Fukada, Minoru Koshibe, Yoshihiro Sezaki +2 more | 1991-01-22 |
| 4968846 | Method for the prevention of post oxidation of methacrolein | Morimasa Kuragano, Yoshio Koyama, Takeshi Isobe, Hirozo Segawa, Katsuji Yoguchi | 1990-11-06 |
| 4879412 | Purification process of methacrylic acid | Morimasa Kuragano, Minoru Koshibe, Yoshihiro Sezaki, Katsuji Yoguchi, Yoshio Koyama | 1989-11-07 |
| 4529530 | Triurea grease compositions | Shirow Shimizu, Shuichi Takahashi, Kazuo Kato, Koichi Takeuchi, Motofumi Kurahashi +1 more | 1985-07-16 |