Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4504421 | Process for producing an acetal | Shinichiro Uchiumi, Akira Iwayama, Takashi Umezu | 1985-03-12 |
| 4504422 | Process for producing an acetal | Shinichiro Uchiumi, Akira Iwayama, Takashi Umezu | 1985-03-12 |
| 4501705 | Process for producing an acetal | Shinichiro Uchiumi, Akira Iwayama, Takashi Umezu | 1985-02-26 |
| 4440928 | Process for preparation of uracils | Shinichiro Uchiumi, Hideki Asada, Takashi Umezu | 1984-04-03 |
| 4438041 | Process for preparing esters of cyanoacetic acids | Shinichiro Uchiumi, Mitsuo Takahashi, Hideki Asada, Masaru Kurahashi | 1984-03-20 |
| 4260810 | Process for preparing diesters of dicarboxylic acids | Sumio Umemura, Yoshinari Ikeda, Katsuro Masunaga, Takumi Kadota, Kozo Fujii +2 more | 1981-04-07 |
| 4234740 | Process for preparing diesters of dicarboxylic acids | Sumio Umemura, Yoshinari Ikeda, Katsuro Masunaga, Takumi Kadota | 1980-11-18 |
| 4224456 | Process for preparing aliphatic monocarboxylic acid ester of hydroxymethyl-substituted monoaromatic compound | Sumio Umemura, Kunitoshi Koga, Mineo Kuniyoshi | 1980-09-23 |