Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4937392 | Process for preparing 4,4'-dihydroxydiphenylmethane | Makoto Imanari, Hiroshi Iwane, Takahiro Sugawara, Naoki Suzuki | 1990-06-26 |
| 4906791 | Process for preparing p-cumylphenol | Makoto Imanari, Hiroshi Iwane, Takahiro Sugawara, Masashi Inaba, Mitsugi Kataoka | 1990-03-06 |
| 4604143 | Demolition facilitating agent | Yuichi Suzukawa, Waichi Kobayashi | 1986-08-05 |
| 4366257 | Process for producing a calcia clinker | Yuichi Suzukawa, Waichi Kobayashi | 1982-12-28 |