Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929707 | Polyurethane base lens resin, plastic lens comprising the resin and preparation method of the lens | Teruyuki Nagata, Koju Okazaki, Nobuyuki Kajimoto, Yoshinobu Kanemura, Katsuyoshi Sasagawa | 1990-05-29 |
| 4894487 | Preparation process of 4-(4-hydroxyphenyl)-cyclohexanol | Masayuki Furuya, Teruyuki Nagata | 1990-01-16 |
| 4877907 | Preparation process of 4,4'-biphenol, precursor of same and preparation process of precursor | Teruyuki Nagata, Koju Okazaki, Masayuki Furuya, Emiko Nishida | 1989-10-31 |
| 4873374 | Preparation process of 4,4'-biphenol, precursor of same and preparation process of precursor | Teruyuki Nagata, Koju Okazaki, Masayuki Furuya, Emiko Nishida | 1989-10-10 |
| 4851590 | Method of purifying 2,4-xylenol | Katsuju Watanabe, Hitoshi Nakayama, Masayuki Furuya, Teruyuki Nagata | 1989-07-25 |
| 4814488 | 4,4-bis(4-hydroxyphenyl)cyclohexanecarboxylic acid derivatives and process for preparing same | Teruyuki Nagata | 1989-03-21 |
| 4785132 | Process for preparing cyclohexanonecarboxylic acid compounds | Teruyuki Nagata, Hideki Mizuta | 1988-11-15 |
| 4755616 | 4,4-bis(4-hydroxyphenyl)cyclohexanecarboxylic acid derivatives and process for preparing same | Teruyuki Nagata | 1988-07-05 |
| 4755617 | Process for the preparation of 4'-hydroxybiphenyl-4-carboxyl acid | Teruyuki Nagata, Hideki Mizuta | 1988-07-05 |
| 4723046 | Process for the preparation of 4,4'-biphenol | Teruyuki Nagata | 1988-02-02 |