Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5525725 | Process for producing a high purity caprolactam | Hiroshi Kajikuri, Keisuke Sugita, Hideki Doi, Masanobu Matsubara | 1996-06-11 |
| 5459261 | Process for producing a high purity caprolactam | Hiroshi Kajikuri, Keisuke Sugita, Hideki Doi, Masanobu Matsubara | 1995-10-17 |
| 5362870 | Process for producing a high purity caprolactam | Hiroshi Kajikuri, Keisuke Sugita, Hideki Doi, Masanobu Matsubara | 1994-11-08 |
| 5315039 | Method for inhibiting thermal decomposition of cycloalkanone oximes | Hiroshi Kajikuri, Masaru Kitamura | 1994-05-24 |
| 5304643 | Process for producing epsilon-caprolactam | Hiroshi Kajikuri, Masaru Kitamura | 1994-04-19 |
| 5191136 | Process for production of sec-butylbenzene | Kazuteru Takahashi | 1993-03-02 |
| 5059736 | Process for production of sec-butylbenzene | Mitsuhisa Tamura, Kazuhiro Yamauchi, Kazuteru Takahashi | 1991-10-22 |
| 5017712 | Production of hydrocarbon-soluble salts of molybdenum for epoxidation of olefins | Masahiro Usui | 1991-05-21 |
| 4684758 | Production of 2,5-dimethyl-2,4-hexadiene | Kazuteru Takahashi | 1987-08-04 |
| 4593012 | Production of hydrocarbon-soluble salts of molybdenum for epoxidation of olefins | Masahiro Usui | 1986-06-03 |
| 4469907 | Selective hydrogenation method for hydrocarbons | Masashi Araki | 1984-09-04 |
| 4359365 | Method of purification of .beta.-phenylethyl alcohol | Takashi Deguchi, Masahiro Usui | 1982-11-16 |