Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017378 | Method for production of optically active biphenylalanine compound or salt or ester thereof | Masahide Tanaka, Yoshihiro Kawada, Daisuke Sasayama | 2011-09-13 |
| 7208645 | Process for producing 4-(2-methylphenyl)benzotrifluoride | Masahide Tanaka | 2007-04-24 |
| 6815548 | Process for preparing a piperidine derivative | Nobushige Itaya, Tadashi Katsura, Masami Igi, Shigeya Yamazaki, Taro Ishibashi +3 more | 2004-11-09 |
| 6730803 | Synthetic intermediate for epothilone derivative and production method thereof | Mitsuhiro Iwasaki, Hideto Miyamoto, Nobushige Itaya | 2004-05-04 |
| 6610851 | Process for preparing a piperidine derivative | Nobushige Itaya, Tadashi Katsura, Masami Igi, Shigeya Yamazaki, Taro Ishibashi +3 more | 2003-08-26 |
| 6476227 | Piperidine derivative and process for preparing the same | Nobushige Itaya, Tadashi Katsura, Masami Igi, Shigeya Yamazaki, Taro Ishibashi +3 more | 2002-11-05 |
| 6376678 | Production method of hydrazine derivative | Kozo Matsui, Tetsuya Shintaku, Nobushige Itaya | 2002-04-23 |
| 6369266 | Process for producing tert-butyl 4′-methyl-2-biphenylcarboxlate | Tetsuya Shintaku, Tadashi Katsura, Nobushige Itaya | 2002-04-09 |
| 6365745 | Method for producing hydrazine derivative | Kozo Matsui, Hiromi Suga, Nobushige Itaya | 2002-04-02 |
| 6333430 | Process for preparing tert-alkyl ester from carboxylic acid | Tetsuya Shintaku, Tadashi Katsura, Nobushige Itaya | 2001-12-25 |
| 6268503 | 2-phenylpyridine derivative and production method thereof | Kozo Matsui, Yoshihide Umemoto, Tetsuya Shintaku, Nobushige Itaya | 2001-07-31 |
| 6242608 | 2-phenylpyridine derivative and production method thereof | Kozo Matsui, Yoshihide Umemoto, Tetsuya Shintaku, Nobushige Itaya | 2001-06-05 |
| 6147218 | 2-phenylpyridine derivative and production method thereof | Kozo Matsui, Yoshihide Umemoto, Tetsuya Shintaku, Nobushige Itaya | 2000-11-14 |
| 6096894 | Production method of 2-(p-alkylphenyl)pyridine compound | Kozo Matsui, Yoshihide Umemoto, Tetsuya Shintaku, Nobushige Itaya | 2000-08-01 |
| 5998652 | Process for preparing 2-cyanobiphenyl compound | Tadashi Katsura, Hiroshi Shiratani, Nobushige Itaya | 1999-12-07 |
| 5948914 | Piperidine derivative and process for preparing the same | Nobushige Itaya, 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, Nobushige Itaya | 1999-04-06 |