Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739377 | Phenylalkanoic acid esters and their use as antioxidants | Hisayu Ohsawa, Takaaki Yamazaki, Satoru Naito, Kohtaro Kanetaki | 1998-04-14 |
| 5096948 | Resistant resin compositions | Hisayu Osawa, Toshimasa Toda, Hiromi Tomono, Ryuichi Hasegawa | 1992-03-17 |
| 4572912 | Thiazolidine derivatives, their preparation and compositions containing them | Takao Yoshioka, Eiici Kitazawa, Mitsuo Yamazaki, Kazou Hasegawa | 1986-02-25 |
| 4533688 | Tris(piperidylaminotriazylamino) compounds, their preparation and their use as polymer stabilizers | Toshimasa Toda | 1985-08-06 |
| 4413076 | Polyalkylpiperdine side chain stabilizers for synthetic polymer compositions | Nobuo Soma, Syoji Morimura, Takao Yoshioka | 1983-11-01 |
| 4371644 | Piperidine derivatives and their use as polymer stabilizers | Nobuo Soma, Syoji Moromura, Takao Yoshioka | 1983-02-01 |
| 4321374 | Triazine derivatives | Syoji Morimura, Toshimasa Toda | 1982-03-23 |
| 4265803 | Polymers containing polyalkylpiperidines and use thereof as stabilizers | Nobuo Soma, Syoji Morimura, Takao Yoshioka | 1981-05-05 |
| 4241208 | Piperidine derivatives | Keisuke Murayama, Syoji Morimura, Takao Yoshioka, Toshimasa Toda, Eiko Mori +5 more | 1980-12-23 |
| 4237294 | 2,2,6,6-Tetramethylpiperidine derivatives | Nobuo Soma, Syoji Morimura, Takao Yoshioka | 1980-12-02 |
| 4219465 | Piperidine-spiro-hydantoin derivatives and their use as polymer stabilizers | Nobuo Soma, Syoji Morimura, Takao Yoshioka | 1980-08-26 |
| 4212974 | Piperidine derivatives | Keisuke Murayama, Syoji Morimura, Takao Yoshioka, Toshimasa Toda, Eiko Mori +5 more | 1980-07-15 |
| 4191683 | Derivatives of 4-aminopiperidine as stabilizers for polymers | Heimo Brunetti, Jean Rody, Nobuo Soma | 1980-03-04 |