Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202127 | Moth-proofing method using trioxane as sole active | Minoru Kakuda, Masafumi Shimpo | 1993-04-13 |
| 5187311 | Methylthiophenol derivatives and p-methylthiophenyl chloroformates and processes for producing these derivatives | Isao Hagiwara, Fumiya Zaima, Shuzabu Sakaguchi | 1993-02-16 |
| 5149857 | Process for production of sulfonium compounds | Isao Hagiwara, Fumiya Zaima, Shuzabu Sakaguchi | 1992-09-22 |
| 5094846 | Trioxane composition and insect-proofing agent | Minoru Kakuda, Masafumi Shimpo, Kiyoshi Yoshida | 1992-03-10 |
| 5075476 | Process for production of sulfonium compounds and novel methylthiphenol derivatives | Isao Hagiwara, Fumiya Zaima, Shuzabu Sakaguchi | 1991-12-24 |
| 5071870 | Trioxane composition and insect-proofing agent | Minoru Kakuda, Kiyoshi Yoshida, Toshie Takahashi, Masafumi Shimpo | 1991-12-10 |
| 5043351 | Hygroscopic insect-proofing composition | Minoru Kakuda, Masafumi Shimpo, Kiyoshi Yoshida | 1991-08-27 |
| 5026875 | Stability-improved trioxane composition | Minoru Kakuda, Masafumi Shimpo, Kiyoshi Yoshida | 1991-06-25 |
| 5021197 | Process for production of sulfonium compounds | Masamichi Mizukami, Yasumasa Norisue, Isao Hagiwara, Fumiya Zaima | 1991-06-04 |
| 4366305 | Process for heat stabilizing oxymethylene copolymers | Akira Amemiya, Tadashi Kunii, Tomotaka Furusawa, Katsumasa Tanaka, Toshikazu Umemura +4 more | 1982-12-28 |
| 4343929 | Process for continuously polymerizing trioxane | Akitoshi Sugio, Kazuyoshi Taka, Akira Amemiya, Tomotaka Furusawa, Katsumasa Tanaka +2 more | 1982-08-10 |
| 4339569 | Process for continuous production of oxymethylene polymer or copolymer | Akitoshi Sugio, Akira Amemiya, Tadashi Kunii, Tomotaka Furusawa, Katsumasa Tanaka +1 more | 1982-07-13 |
| 4301273 | Process for stabilizing oxymethylene copolymers | Akitoshi Sugio, Akira Amemiya, Tadashi Kunii, Tomotaka Furusawa, Katsumasa Tanaka +1 more | 1981-11-17 |
| 4224435 | Method for mixing raw materials for producing oxymethylene copolymers | Akitoshi Sugio, Akira Amamiya, Tadashi Kunii, Tomotaka Furusawa, Katsumasa Tanaka +2 more | 1980-09-23 |
| 4189565 | Process for polymerizing trioxane | Akitoshi Sugio, Akira Amemiya, Tetsuya Abe, Tomotaka Furusawa, Takeo Suzumori +6 more | 1980-02-19 |