Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196578 | Purification process of methacrylic acid | Morimasa Kuragano, Takeshi Isobe, Nobutaka Ueda, Minoru Koshibe, Yoshihiro Sezaki +2 more | 1993-03-23 |
| 5118487 | Process for producing chlorosulfonyl isocyanate | Akira Nakamura, Matsuo Ono, Toshiei Ataka, Hideo Shirakawa, Shizuo Noguchi | 1992-06-02 |
| 5028735 | Purification and preparation processes for methyl methacrylate | Norio Ishikawa, Katsuji Yoguchi, Morimasa Kuragano, Minoru Koshibe | 1991-07-02 |
| 4987252 | Quenching process of reaction product gas containing methacrylic acid and treatment method of quenched liquid | Morimasa Kuragano, Kozo Iwasaki, Takeshi Isobe, Isao Fukada, Minoru Koshibe +2 more | 1991-01-22 |
| 4968846 | Method for the prevention of post oxidation of methacrolein | Morimasa Kuragano, Kozo Iwasaki, Yoshio Koyama, Takeshi Isobe, Katsuji Yoguchi | 1990-11-06 |
| 4460403 | 2,3-Dicyano 6 phenyl pyrazine herbicides | Tetsuo Takematsu, Takamaro Miura, Toshiei Ataka, Michio Chatani, Akira Nakamura | 1984-07-17 |
| 4275174 | Neutron shielding polymer composition and a process for producing the same | Shin-ichi Tadokoro | 1981-06-23 |