Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4692197 | Method for manufacturing corrugated tubes | Koutarou Ueda, Noboru Hasegawa, Masaharu Kusaka, Kohei Orii, Yoshiro Noguchi | 1987-09-08 |
| 4575400 | Apparatus for manufacturing corrugated tubes | Koutarou Ueda, Noboru Hasegawa, Masaharu Kusaka, Kohei Orii, Yoshiro Noguchi | 1986-03-11 |
| 4368088 | Method of manufacturing corrugated tube | Hiroshi Asakura, Masaharu Kusaka, Mituto Hirata | 1983-01-11 |