Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7569690 | Process for producing oxycarbonyl-substituted piperazine derivative | Masao Morimoto | 2009-08-04 |
| 7358384 | Processes for the recovery of optically active diacyltartaric acids | Seiji Morii, Toshihiro Fujino | 2008-04-15 |
| 6962998 | Processes for producing racemic piperidine derivative and for producing optically active piperidine derivative | Toshihiro Fujino | 2005-11-08 |
| 6706916 | Optically active amino acid derivatives and processes for the preparation of the same | Takae Ohno, Shiho Iwata | 2004-03-16 |
| 6479668 | Method of producing pyrrolidine derivatives | Hideo Muraoka | 2002-11-12 |
| 6348600 | Methods for making optically active 3-aminopyrrolidine-2,5-dione derivative and optically active 3-aminopyrrolidine derivative | Takae Ono | 2002-02-19 |
| 6320069 | Production of optically active ketone | Sakie Nakai, Keiko Funabashi, Shiho Iwata | 2001-11-20 |
| 6130338 | Method of producing pyrrolidine derivatives | Hideo Muraoka | 2000-10-10 |
| 5952503 | Method for producing optically-active 2-piperazinecarboxylic acid derivatives | Toshihiro Fujino | 1999-09-14 |
| 5451687 | Process for producing O,O'-diacyltartaric anhydride and process for producing O,O'-diacyltartaric acid | Sakie Nakai, Toshihiro Fujino | 1995-09-19 |
| 5422255 | Method for producing D-alanine | Noriko Ito, Shinzo Imamura | 1995-06-06 |
| 4904589 | Process for producing D-(31)-tartaric acid | Shinzo Imamura | 1990-02-27 |
| 4399289 | 2-Diphenylmethyleneamino-3-indolylpropionitrile and alkyl esters of 2-diphenylmethylene-amino-3-indolylpropionic acid | Shinzo Imamura, Hiroyoshi Kuramoto | 1983-08-16 |
| 4297477 | Polyamide having --NH--(CH.sub.2).sub.4 --CH(NRR')--CO--units | Minoru Nakata, Shinzo Imamura | 1981-10-27 |