Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832770 | Method of manufacturing foamed polypropylene resin sheet | Hirokazu Komatsu, Hidehito Shishikura, Masao Horiguchi | 1989-05-23 |
| 4458723 | Heat insulating pipe | Toshio Koreeda, Masao Horiguch | 1984-07-10 |
| 4434251 | Cross-linked polyvinyl chloride resin foam and method of manufacturing the same | Junnosuke Sasajima, Hiroshi Nagai, Kenji Mogi, Naonori Shiina | 1984-02-28 |
| 4424293 | Crosslinkable polypropylene composition | Takashi Sawasaki, Toshio Koreeda | 1984-01-03 |
| 4421867 | Composition for a crosslinked polyolefin foam | Takashi Sawasaki, Isamu Noguchi, Shinji Onobori, Junnosuke Sasazima | 1983-12-20 |
| 4397797 | Method for extrusion coating of a pipe with a foamed cover layer having three integrally formed cellular sub-layers | Toshio Koreeda, Masao Horiguch | 1983-08-09 |
| 4367185 | Method of producing crosslinked polypropylene foam | Takashi Sawasaki, Toshio Koreeda | 1983-01-04 |
| 4247667 | Method of crosslinking poly-.alpha.-olefin series resins | Takashi Sawasaki, Toshio Koreeda | 1981-01-27 |