Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643775 | Trehalose phosphorylase and preparation thereof | Eisaku Takahashi, Eiichi Takahashi, KOHKI SAITOH, Toshihiko Wada | 1997-07-01 |
| 5565341 | Process for producing trehalose | Eisaku Takahashi, Toshihiko Wada | 1996-10-15 |
| 5087742 | Process for preparing aromatic polycarboxylic acids | Kazuo Yoshida, Nobuyuki Okubo, Toshiharu Matsuda | 1992-02-11 |
| RE33779 | Preparation process of 4,4-dihydroxybiphenyl | Tadashi Nakamura, Takayuki Tanonaka, Kazuo Yoshida, Yoshihisa Machida | 1991-12-24 |
| 4970338 | Preparation process of biphenyl-4,4'-dicarboxylic acid | Toshiharu Matsuda, Tadashi Nakamura, Atsushi Sasakawa, Shoichiro Hayashi | 1990-11-13 |
| 4960945 | Process for the production of halobenzophenone derivatives | Takashi Terauchi, Kazuo Yoshida, Yoshihisa Machida, Nobuyuki Okubo | 1990-10-02 |
| 4873366 | Process for producing 2,6-naphthalenedicarboxylic acid | Toshiharu Matsuda, Atsushi Sasakawa, Shoichiro Hayashi | 1989-10-10 |
| 4825007 | Oxidation process of aromatic compounds | Kazuo Yoshida, Masatoshi Hino | 1989-04-25 |
| 4814521 | Process for producing 2,6-dihydroxynaphthalene and 2,6-diacetoxynaphthalene | Takayuki Tanonaka, Takashi Yamauchi, Hiroyuki Enari | 1989-03-21 |
| 4804788 | Preparation process of 4,4-dihydroxybiphenyl | Tadashi Nakamura, Takayuki Tanonaka, Kazuo Yoshida, Yoshihisa Machida | 1989-02-14 |
| 4794195 | Process for producing 2,6-naphthalenedicarboxylic acid by oxidizing 2,6-diisopropylnaphthalene | Shoichiro Hayashi, Toshiharu Matsuda, Atsushi Sasakawa | 1988-12-27 |
| 4668815 | Derivatives of phenylacetic ester, a process for producing the same and insecticidal compositions containing the same as an active ingredient | Hiroyuki Enari, Uichi Akiba, Masayo Ito | 1987-05-26 |
| 4638087 | 6-substituted naphthalene-2-carboxylic acids and process for producing the same | Akira Iizuka, Takashi Yamauchi, Shoichiro Hayashi | 1987-01-20 |
| 4614620 | Process for producing i-brassicasterol | Shoichiro Hayashi, Yoshikazu Kubota, Kouichi Kodama | 1986-09-30 |
| 4607117 | Methyl 2-(2-hydroperoxy-2-propyl)naphthalene-6-carboxylate and process for producing the same | Akira Iizuka, Takashi Yamauchi, Shoichiro Hayashi | 1986-08-19 |