Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5763718 | Process for producing octadienes | Tomoyasu Tsuda | 1998-06-09 |
| 5606005 | Polyurethane and molded article comprising the same | Tatuya Oshita, Kimio Nakayama, Michihiro Ishiguro, Koji Hirai, Shigeaki Suzuki | 1997-02-25 |
| 5118885 | Process for producing octa-2,7-dien-1-ol | Yasuo Tokitoh, Tamio Higashi, Kenichi Hino, Masami Murasawa | 1992-06-02 |
| 5100854 | Phosphonium salts and processes for production of and uses for the same | Toshihiko Maeda, Yasuo Tokitoh | 1992-03-31 |
| 5070172 | Process for producing polyurethane | Koji Hirai, Shunro Taniguchi, Michihiro Ishiguro, Yoshifumi Murata, Shinichi Yokota +2 more | 1991-12-03 |
| 5057631 | Process for continuous production of octa-2,7-dien-1-ol | Yasuo Tokitoh | 1991-10-15 |
| 4997971 | Stabilized poly (.beta.-methyl-.delta.-valerolactone) | Toshihiko Maeda | 1991-03-05 |
| 4992609 | Phosphonium salts and processes for production of and uses for the same | Toshihiko Maeda, Yasuo Tokitoh | 1991-02-12 |
| 4965404 | Process for the preparation of lithium diphenylphosphinobenzene-m-monosulfonate | Toshihiko Maeda | 1990-10-23 |
| 4935488 | Trimethylolheptanes and use thereof | Toshihiro Omatsu, Yasuo Tokitoh, Masao Ishida, Makoto Yano, Koji Hirai +2 more | 1990-06-19 |
| 4927960 | Phosphonium salts and processes for production of and uses for the same | Toshihiko Maeda, Yasuo Tokitoh | 1990-05-22 |
| 4871880 | Hydroformylation process | Toshihiro Omatsu, Yasuo Tokitoh | 1989-10-03 |
| 4861922 | Hydroformylation of 3-methyl-3-buten-1-ol and analogs thereof and use of such hydroformylation products | Yasuo Tokitoh | 1989-08-29 |
| 4808756 | Method for production of .alpha.,.omega.-dialdehydes | Yasuo Tokitoh | 1989-02-28 |
| 4808737 | Process for producing 2-hydroxy-4-methyltetrahydropyran | Yasuo Tokitoh | 1989-02-28 |
| 4743547 | Method of producing L-phenylalanine | Takanori Kitamura, Yoichi Matsumoto | 1988-05-10 |
| 4663468 | Hydroformylation of 3-methyl-3-buten-1-ol and analogs thereof and use of such hydroformylation products | Yasuo Tokitoh | 1987-05-05 |
| 4639471 | Process for producing polyester polyurethane | Koji Hirai, Shunro Taniguchi, Michihiro Ishiguro, Yoshifumi Murata, Shinichi Yokota +2 more | 1987-01-27 |
| 4551518 | Process for production of polyurethane | Mitsuo Matsumoto, Koji Hirai, Takayuki Okamura | 1985-11-05 |
| 4510331 | Processes for producing 7-octen-1-al and derivatives thereof | Masuhiko Tamura | 1985-04-09 |
| 4510332 | Process for producing 1,9-nonanedial | Mitsuo Matsumoto, Masuhiko Tamura | 1985-04-09 |
| 4420640 | Method of producing 1,9-nonanedial and 9-hydroxy-7-nonen-1-al | Mitsuo Matsumoto, Masuhiko Tamura | 1983-12-13 |
| 4417079 | Process for producing normal-octanol | Masuhiko Tamura | 1983-11-22 |
| 4356333 | Process for preparing n-octadienol | Masuhiko Tamura | 1982-10-26 |
| 4334117 | Process for producing alkadienes | Masuhiko Tamura | 1982-06-08 |