Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977211 | Water-absorptive resin composition | Shunichi Ohnishi | 1990-12-11 |
| 4778866 | Ethylene copolymer | Takeo Shimada, Iwao Ishino, Noriyuki Okada, Tsutomu Isaka, Akiyoshi Oonishi +1 more | 1988-10-18 |
| 4617365 | Ethylene copolymer | Akiyoshi Oonishi, Takeo Shimada | 1986-10-14 |
| 4456704 | Production of foam | Mikio Fukumura, Hideo Shibata, Tsutomu Isaka, Takayuki Inoue | 1984-06-26 |
| 4446283 | Crosslinkable polyethylene resin composition | Tsutomu Isaka, Shinichiro Iida | 1984-05-01 |
| 4397981 | Ethylene polymer compositions that are flame retardant | Tsutomu Isaka | 1983-08-09 |
| 4351876 | Laminate films and sheets of crosslinked polyethylene resins | Tsutomu Isaka, Shinichiro Iida | 1982-09-28 |