Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4458723 | Heat insulating pipe | Akio Nojiri, Masao Horiguch | 1984-07-10 |
| 4424293 | Crosslinkable polypropylene composition | Akio Nojiri, Takashi Sawasaki | 1984-01-03 |
| 4397797 | Method for extrusion coating of a pipe with a foamed cover layer having three integrally formed cellular sub-layers | Akio Nojiri, Masao Horiguch | 1983-08-09 |
| 4367185 | Method of producing crosslinked polypropylene foam | Akio Nojiri, Takashi Sawasaki | 1983-01-04 |
| 4247667 | Method of crosslinking poly-.alpha.-olefin series resins | Akio Nojiri, Takashi Sawasaki | 1981-01-27 |