Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621086 | Sialic acid derivative and method of manufacturing it | Yasuhiro Kajihara, Hisashi Kodama | 1997-04-15 |
| 5468881 | Method of producing cis-whiskey lactone | Katsuya Matsumoto, Koshi Koseki, Hiroshi Kawakami, Hajime Matsushita, Hajime Yoshikoshi +1 more | 1995-11-21 |
| 5457192 | Method of manufacturing D-allosan | Katsuya Matsumoto, Hajime Matsushita | 1995-10-10 |
| 5451689 | Method of preparing epoxide | Katsuya Matsumoto, Koshi Koseki, Koji Okano, Hiroshi Kawakami, Hajime Matsushita | 1995-09-19 |
| 5416204 | Method for preparing 2'-3'-dideoxy-.beta.-nucleosides using 2,2-dideoxy-di(organothio)-pentofuranose intermediates | Hiroshi Kawakami, Katsuya Matsumoto, Koshi Koseki, Hajime Matsushita, Kazuo Itoh +1 more | 1995-05-16 |
| 5412111 | Method of preparing (3R,4R)-3-hydroxy-4-hydroxymethyl-4-butanolide | Katsuya Matsumoto, Koshi Koseki, Koji Okano, Hiroshi Kawakami, Hajime Matsushita | 1995-05-02 |
| 5410038 | method of preparing D-altrose | Katsuya Matsumoto, Hajime Matsushita | 1995-04-25 |
| 5391769 | Method of preparing 3-DPA-lactone | Katsuya Matsumoto, Hiroshi Kawakami, Koshi Koseki, Hajime Matsushita | 1995-02-21 |
| 5374744 | Method for manufacturing 4-substituted-Y-lactone and novel substance | Koshi Koseki, Hiroshi Kawakami, Hajime Matsushita, Mikio Ono | 1994-12-20 |
| 5322955 | Method of manufacturing 3-DPA-lactone | Katsuya Matsumoto, Hiroshi Kawakami, Koshi Koseki, Hajime Matsushita | 1994-06-21 |
| 5319108 | Method for producing (R,Z)-5-tetradecen-4-olide | Hiroshi Kawakami, Koshi Koseki, Hajime Matsushita, Mikio Ono | 1994-06-07 |
| 5284973 | Method of preparing an acid additional salt of delta-aminolevulinic acid | Hiroshi Kawakami, Katsuya Matsumoto, Koshi Koseki, Hajime Matsushita | 1994-02-08 |
| 5264561 | Method of manufacturing 2',3'-dideoxy-2',3'-didehydronucleosides | Hajime Matsushita, Nobuhiro Mizutani, Junji Ohki, Junko Tanaka, Hiromi Kaibara +1 more | 1993-11-23 |
| 5216177 | Method of preparing trans-3,4-disubstituted-.gamma.-lactones | Hajime Matsushita, Hiroshi Kawakami, Koshi Koseki | 1993-06-01 |
| 5112994 | Method of producing (S)-4-hydroxymethyl-.gamma.-lactone | Koshi Koseki, Hiroshi Kawakami, Hajime Matsushita, Kazuo Itoh, Yoshitake Naoi | 1992-05-12 |
| 5006646 | Process for preparing 2'-deoxy-5-trifluoromethyl-beta-uridine | Kazuo Itoh, Yoshitake Naoi, Hajime Matsushita, Hiroshi Kawakami | 1991-04-09 |
| 4994585 | Method of preparing (S)-.gamma.-hydroxymethyl-.alpha., .beta.-butenolide | Koshi Koseki, Hiroshi Kawakami, Hajime Matsushita, Kazuo Itoh, Yoshitake Naoi | 1991-02-19 |