Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4578166 | Process of actinic irradiation of shaped polyester imide containing benzophenone tetracarboxylic diimide group and cross-linked product | Keiichi Uno, Hikoichi Nagano | 1986-03-25 |
| 4536550 | Polyethylene composition | Kisoo Moriguchi | 1985-08-20 |
| 4526941 | Polymerization of olefins | Hisaya Sakurai, Masayoshi Miya, Katsuhiko Takaya | 1985-07-02 |
| 4471066 | Polymerization of olefins | Hisaya Sakurai, Yoshihiko Katayama, Masayasu Furusato | 1984-09-11 |
| 4454242 | Catalyst for polymerization of olefins | Katsuhiko Takaya | 1984-06-12 |
| 4451573 | Catalyst for polymerization of olefins | Katsuhiko Takaya, Haruyuki Yoneda | 1984-05-29 |
| 4431568 | Catalyst for polymerization of olefins and polymerization process employing such catalyst | Masayoshi Miya, Hisaya Sakurai | 1984-02-14 |
| 4387045 | Olefin polymerization catalyst and a process for producing polyolefins by the use of said catalyst | Hisaya Sakurai, Hideo Morita, Masayasu Furusato | 1983-06-07 |
| 4381252 | Catalyst for producing polyolefins | Hisaya Sakurai, Yoshihiko Katayama, Masayasu Furusato | 1983-04-26 |
| 4376720 | Olefin polymerization catalyst and olefin polymerization method using such catalyst | Hisaya Sakurai, Yoshihiko Katayama, Shigeo Tsuyama | 1983-03-15 |
| 4342708 | Hydrocarbon-soluble diorganomagnesium compounds, hydrocarbon solutions containing the same and processes for preparation thereof | Hisaya Sakurai, Yoshihiko Katayama, Shigeo Tsuyama | 1982-08-03 |
| 4336352 | Blend of three ethylene polymers | Hisaya Sakurai, Yoshihiko Katayama, Shigeru Mizutani | 1982-06-22 |
| 4335229 | Process for polymerizing an .alpha.-olefin | Hisaya Sakurai, Yoshihiko Katayama, Masayasu Furusato | 1982-06-15 |
| 4330651 | Polymerization of .alpha.-olefins | Hisaya Sakurai, Yoshihiko Katayama, Masayasu Furusato | 1982-05-18 |
| 4330647 | Process for polymerizing .alpha.-olefins | Hisaya Sakurai, Yoshihiko Katayama, Masayasu Furusato | 1982-05-18 |
| 4330646 | Polymerization of an .alpha.-olefin | Hisaya Sakurai, Yoshihiko Katayama, Masayasu Furusato | 1982-05-18 |
| 4264472 | Catalyst for preparing polyethylene | Hisaya Sakurai, Yoshihiko Katayama, Shigeo Tsuyama, Yukitoshi Iwashita | 1981-04-28 |
| 4230831 | Polyethylene blend composition | Hisaya Sakurai, Yoshihiko Katayama, Kisoo Moriguchi, Shigeru Mizutani | 1980-10-28 |