Issued Patents All Time
Showing 26–50 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538160 | Process for producing &agr;-aminohalomethyl ketone derivatives | Tomoyuki Onishi, Yasuyuki Otake, Masakazu Nakazawa | 2003-03-25 |
| 6500985 | Process for producing alpha-aminoketones | Tomoyuki Onishi, Takashi Nakano, Naoko Hirose, Masakazu Nakazawa | 2002-12-31 |
| 6500946 | Methods for producing nucleoside derivatives and intermediates therefor | Satoshi Takamatsu, Satoshi Katayama, Naoko Hirose, Tokumi Maruyama | 2002-12-31 |
| 6482978 | Production method of aromatic carboxylic acid derivative | Daisuke Takahashi, Masakazu Nakazawa | 2002-11-19 |
| 6339170 | Method for producing optically active phenylpropionic acid derivative | Takayuki Suzuki, Takayuki Hamada | 2002-01-15 |
| 6316660 | Process for producing cyclohexylamino acids | Takahiro Sato, Yutaka Honda | 2001-11-13 |
| 6258975 | Process for producing optically active 2-hydroxy-4-arylbutyric acid or its ester | Masahiko Kurauchi, Yoshimasa Hagiwara, Hiroyuki Matsueda, Takashi Nakano | 2001-07-10 |
| 6252075 | Process for producing purine derivatives | Hiroshi Shiragami, Keizo Yamashita, Satoshi Katayama | 2001-06-26 |
| 6245910 | Process for producing purine derivatives | Hiroshi Shiragami, Keizo Yamashita | 2001-06-12 |
| 6242635 | Process for producing propionic acid derivatives | Takayuki Suzuki, Takayuki Hamada | 2001-06-05 |
| 6239308 | Method for producing .alpha.-hydroxy-.beta.-aminocarboxylic acids | Takayuki Suzuki, Yutaka Honda | 2001-05-29 |
| 6197552 | Process for preparing 2,6-diaminopurine-2'-deoxyriboside and 2'-deoxyguanosine | Kenzo Yokozeki, Takashi Tsuji | 2001-03-06 |
| 6169200 | Method for producing .alpha.-hydroxy-.beta.-aminocarboxylic acids | Takayuki Suzuki, Yutaka Honda | 2001-01-02 |
| 6093846 | Process for preparing optically active 2-hydroxy-methyl-3-phenylpropionic acid | Hiroyuki Nohira, Takayuki Suzuki, Takayuki Hamada | 2000-07-25 |
| 6090937 | Methods for producing nucleoside derivatives and intermediates therefor | Satoshi Takamatsu, Satoshi Katayama, Naoko Hirose, Tokumi Maruyama | 2000-07-18 |
| 6087497 | Process for producing purine derivatives | Hiroshi Shiragami, Keizo Yamashita | 2000-07-11 |
| 6087526 | Process for producing optically active 2-hydroxy-4-arylbutyric acid or its ester | Masahiko Kurauchi, Yoshimasa Hagiwara, Hiroyuki Matsueda, Takashi Nakano | 2000-07-11 |
| 6031121 | Method for producing optically active phenylpropionic acid derivative | Takayuki Suzuki, Takayuki Hamada | 2000-02-29 |
| 6028217 | Optically active salts of 2-hydroxymethyl-3-phenylpropionic acid with cis-1-amino-2-indanol, .alpha.-methylbenzylamine, or 3-methyl-2-phenyl-1-butylamine | Hiroyuki Nohira, Takayuki Suzuki, Takayuki Hamada | 2000-02-22 |
| 5994545 | Process for producing optically active amides | Takahiro Sato | 1999-11-30 |
| 5959139 | Process for producing optically active 2-hydroxy-4-arylbutyric acid or its ester | Masahiko Kurauchi, Yoshimasa Hagiwara, Hiroyuki Matsueda, Takashi Nakano | 1999-09-28 |
| 5942617 | Process for producing purine derivatives | Hiroshi Shiragami, Yumiko Uchida, Keizo Yamashita, Satoshi Katayama | 1999-08-24 |
| 5902887 | Process for producing 3-amino-2-oxo-1-halogenopropane derivatives | Yutaka Honda, Satoshi Katayama, Masakazu Nakazawa, Takayuki Suzuki, Naoko Kanno | 1999-05-11 |
| 5883284 | Method for producing .alpha.-hydroxy-.beta.-aminocarboxylic acids | Takayuki Suzuki, Yutaka Honda | 1999-03-16 |
| 5831092 | Process for producing purine derivatives | Hiroshi Shiragami, Keizo Yamashita | 1998-11-03 |