Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6120653 | Separation and purification method of t-butyl-methylphenol isomer | Susumu Tsukada, Masaaki Toma | 2000-09-19 |
| 5600026 | Process for production of cresols | Yoichi Ikeda, Akira Murakami, Kazushige Okamoto, Tooru Tokumaru, Motoo Hazama | 1997-02-04 |
| 5399791 | Process for production of cresols | Yoichi Ikeda, Akira Murakami, Kazushige Okamoto, Tooru Tokumaru, Motoo Hazama | 1995-03-21 |
| 5202515 | Process for preparing alkyl-substituted aromatic hydrocarbons | Masami Fukao, Takuo Hibi, Gohfu Suzukamo | 1993-04-13 |
| 5118895 | Process for preparing alkyl-substituted aromatic hydrocarbon | Takuo Hibi, Masami Fukao, Gohfu Suzukamo | 1992-06-02 |
| 5097088 | Process for preparing alkyl-substituted aromatic hydrocarbon | Masami Fukao, Takuo Hibi, Gohfu Suzukamo | 1992-03-17 |
| 5043507 | Process for preparing alkyl-substituted aromatic hydrocarbons | Masami Fukao, Takuo Hibi, Gohfu Suzukamo | 1991-08-27 |
| 4962254 | Process for preparing alkyl-substituted aromatic hydrocarbons | Masami Fukao, Takuo Hibi, Gohfu Suzukamo | 1990-10-09 |
| 4709112 | Process for dimerizing lower .alpha.-olefins | Hiroshi Sato, Hideto Tojima, Mikoto Takahashi | 1987-11-24 |
| 4340544 | Process for producing 2-(2'-methyl-1'-propenyl)-4-methyltetrahydropyran | Gohu Suzukamo, Tetsuo Takano, Mitsuhisa Tamura | 1982-07-20 |
| 4338467 | Process for preparing arylacetaldehydes | Tetsuo Takano, Gohu Suzukamo, Masaru Ishino | 1982-07-06 |
| 4317918 | Process for preparing alcohols | Tetsuo Takano, Gohu Suzukamo, Masaru Ishino | 1982-03-02 |
| 4312717 | Process for producing 2-(2'-methyl-1'-propenyl)-4-methyltetrahydropyran | Gohu Suzukamo, Tetsuo Takano, Mitsuhisa Tamura | 1982-01-26 |