Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10689349 | Method for producing intermediate of biotin and method for producing biotin | Hiromasa Yamamoto, Kenji Tanaka, Masahiko Seki, Yoshiki SEIKE | 2020-06-23 |
| 7312357 | Process for producing aliphatic dicarboxylic acid compound | Yoshihiro Matsumura, Osamu Onomura | 2007-12-25 |
| 6458948 | Process for producing carboxylic acid derivative and condensing agent comprising quaternary ammonium salt | Shohei Tani, Munetaka Kunishima, Keiji Terao, Michiko Miharu, Naoki Hirano +1 more | 2002-10-01 |
| 6420613 | Process for preparing reductants of unsaturated organic compounds by the use of trichlorosilane and reducing agents | Yoshihiro Matsumura, Osamu Onomura, Kenji Tanaka | 2002-07-16 |
| 6020514 | Process for producing di-tert-butyl dicarbonate | Naoki Hirano | 2000-02-01 |