Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6242654 | Preparation process of fluorine substituted aromatic compound | Kenichi Goto, Kouki Fukumura, Hiroshi Sonoda, Junko Naruse, Hideaki Oikawa | 2001-06-05 |
| 6222046 | Tetraalkylfluoroformamidinium trifluoroacetate and preparation process of same | Hiroshi Sonoda, Kenichi Goto, Kouki Fukumura, Junko Naruse, Teruyuki Nagata | 2001-04-24 |
| 6127583 | Process for preparing acetylene derivative from a ketone compound | Hiroshi Sonoda, Kazunari Okada, Kenichi Goto, Kouki Fukumura, Junko Naruse +2 more | 2000-10-03 |
| 5750779 | Preparation process of acyl halide or sulfonyl halide | Teruyuki Nagata, Hideki Mizuta | 1998-05-12 |
| 4268625 | Photographic light-sensitive element for the color diffusion transfer process | Shinsaku Fujita, Shigetoshi Ono, Yoshinobu Yoshida, Tooru Harada | 1981-05-19 |
| 4246414 | 2-Alkoxyalkoxy-5-nitrobenzenesulfonic acid and salt thereof | Shinsaku Fujita, Shigetoshi Ono | 1981-01-20 |