Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4482420 | Apparatus for producing composite pipes | Toshimi Inai, Takashi Shimizu | 1984-11-13 |
| 4412882 | Method for producing composite pipes | Toshimi Inai, Takashi Shimizu | 1983-11-01 |