Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407691 | Method and apparatus for performing hot air welding of thermoplastic resin parts | Masami Ishii, Nobuharu Kato | 1983-10-04 |
| 4315791 | Method and apparatus for performing hot air welding of thermoplastic resin parts | Masami Ishii, Nobuharu Kato | 1982-02-16 |