Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4471066 | Polymerization of olefins | Hisaya Sakurai, Tadashi Ikegami, Masayasu Furusato | 1984-09-11 |
| 4423185 | Thermoplastic resinous composition | Koichi Matsumoto, Hisaya Sakurai | 1983-12-27 |
| 4410595 | Laminate of thermoplastic resinous composition | Koichi Matsumoto, Hisaya Sakurai | 1983-10-18 |
| 4381252 | Catalyst for producing polyolefins | Hisaya Sakurai, Tadashi Ikegami, Masayasu Furusato | 1983-04-26 |
| 4376720 | Olefin polymerization catalyst and olefin polymerization method using such catalyst | Hisaya Sakurai, Tadashi Ikegami, Shigeo Tsuyama | 1983-03-15 |
| 4342708 | Hydrocarbon-soluble diorganomagnesium compounds, hydrocarbon solutions containing the same and processes for preparation thereof | Hisaya Sakurai, Tadashi Ikegami, Shigeo Tsuyama | 1982-08-03 |
| 4336352 | Blend of three ethylene polymers | Hisaya Sakurai, Tadashi Ikegami, Shigeru Mizutani | 1982-06-22 |
| 4335229 | Process for polymerizing an .alpha.-olefin | Hisaya Sakurai, Tadashi Ikegami, Masayasu Furusato | 1982-06-15 |
| 4330651 | Polymerization of .alpha.-olefins | Hisaya Sakurai, Tadashi Ikegami, Masayasu Furusato | 1982-05-18 |
| 4330646 | Polymerization of an .alpha.-olefin | Hisaya Sakurai, Tadashi Ikegami, Masayasu Furusato | 1982-05-18 |
| 4330647 | Process for polymerizing .alpha.-olefins | Hisaya Sakurai, Tadashi Ikegami, Masayasu Furusato | 1982-05-18 |
| 4264472 | Catalyst for preparing polyethylene | Tadashi Ikegami, Hisaya Sakurai, Shigeo Tsuyama, Yukitoshi Iwashita | 1981-04-28 |
| 4230831 | Polyethylene blend composition | Hisaya Sakurai, Tadashi Ikegami, Kisoo Moriguchi, Shigeru Mizutani | 1980-10-28 |
| 4219453 | Inorganic filler-incorporated ethylene polymer film | Hisaya Sakurai, Kisoo Moriguchi | 1980-08-26 |