Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8026081 | Method of producing optically active (S)-7-hydroxy-6-methylheptan-2-one and precursor thereof | Hiroshi Maeda, Yuki Sato | 2011-09-27 |
| 7632971 | Method of crystallization of bicalutamide | Tadashi Katsura, Tadashi Mizuno | 2009-12-15 |
| 7268257 | Process for producing tolterodine | Tsukusa Yamada, Masahide Tanaka | 2007-09-11 |
| 7132560 | Crystal of bicalutamide and production method thereof | Tetsuya Shintaku, Tadashi Katsura | 2006-11-07 |
| 7038075 | Production method of racemic 3-hydroxy-3-(2-phenylethyl)hexanoic acid C1-6 alkyl ester | Masahide Tanaka, Kozo Matsui, Tadashi Katsura, Mitsuhiro Iwasaki, Hiroshi Maeda | 2006-05-02 |
| 6815548 | Process for preparing a piperidine derivative | Kiyoshi Sugi, Tadashi Katsura, Masami Igi, Shigeya Yamazaki, Taro Ishibashi +3 more | 2004-11-09 |
| 6740770 | Crystal of bicalutamide and production method thereof | Tetsuya Shintaku, Tadashi Katsura | 2004-05-25 |
| 6730803 | Synthetic intermediate for epothilone derivative and production method thereof | Mitsuhiro Iwasaki, Kiyoshi Sugi, Hideto Miyamoto | 2004-05-04 |
| 6683207 | Production method of (R)-3 hydroxy-3-(2-phenylethyl) hexanoic acid and intermediate thereof | Masahide Tanaka, Kozo Matsui, Tadashi Katsura, Mitsuhiro Iwasaki, Hiroshi Maeda | 2004-01-27 |
| 6649768 | Production methods of imidazole compound and salt thereof and intermediates therefor | Tetsuya Shintaku | 2003-11-18 |
| 6610851 | Process for preparing a piperidine derivative | Kiyoshi Sugi, Tadashi Katsura, Masami Igi, Shigeya Yamazaki, Taro Ishibashi +3 more | 2003-08-26 |
| 6476227 | Piperidine derivative and process for preparing the same | Kiyoshi Sugi, Tadashi Katsura, Masami Igi, Shigeya Yamazaki, Taro Ishibashi +3 more | 2002-11-05 |
| 6376678 | Production method of hydrazine derivative | Kiyoshi Sugi, Kozo Matsui, Tetsuya Shintaku | 2002-04-23 |
| 6369266 | Process for producing tert-butyl 4′-methyl-2-biphenylcarboxlate | Tetsuya Shintaku, Kiyoshi Sugi, Tadashi Katsura | 2002-04-09 |
| 6365745 | Method for producing hydrazine derivative | Kozo Matsui, Kiyoshi Sugi, Hiromi Suga | 2002-04-02 |
| 6350880 | Crystalline or crystallized acid addition salt of losartan and purification method of losartan | Tadashi Katsura, Hiroshi Shiratani | 2002-02-26 |
| 6333430 | Process for preparing tert-alkyl ester from carboxylic acid | Tetsuya Shintaku, Kiyoshi Sugi, Tadashi Katsura | 2001-12-25 |
| 6268503 | 2-phenylpyridine derivative and production method thereof | Kozo Matsui, Kiyoshi Sugi, Yoshihide Umemoto, Tetsuya Shintaku | 2001-07-31 |
| 6242608 | 2-phenylpyridine derivative and production method thereof | Kozo Matsui, Kiyoshi Sugi, Yoshihide Umemoto, Tetsuya Shintaku | 2001-06-05 |
| 6147218 | 2-phenylpyridine derivative and production method thereof | Kozo Matsui, Kiyoshi Sugi, Yoshihide Umemoto, Tetsuya Shintaku | 2000-11-14 |
| 6096894 | Production method of 2-(p-alkylphenyl)pyridine compound | Kozo Matsui, Yoshihide Umemoto, Kiyoshi Sugi, Tetsuya Shintaku | 2000-08-01 |
| 5998652 | Process for preparing 2-cyanobiphenyl compound | Tadashi Katsura, Hiroshi Shiratani, Kiyoshi Sugi | 1999-12-07 |
| 5948914 | Piperidine derivative and process for preparing the same | Kiyoshi Sugi, Tadashi Katsura, Masami Igi, Shigeya Yamazaki, Taro Ishibashi +3 more | 1999-09-07 |
| 5892094 | Process for preparing 4'-methyl-2-cyanobiphenyl | Tadashi Katsura, Hiroshi Shiratani, Kiyoshi Sugi | 1999-04-06 |
| 5770767 | Process for producing 2-fluorocyclopropancecarboxlic acid | Ryuhei Wakita, Asako Kubo, Mikio Sasaki, Takashi Namba, Yusuke Yukimoto | 1998-06-23 |