Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5261638 | Pipe connection device | Toshihiko Onishi, Katsumi Tomioka, Masaaki Inoue, Yuji Kondo | 1993-11-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5261638 | Pipe connection device | Toshihiko Onishi, Katsumi Tomioka, Masaaki Inoue, Yuji Kondo | 1993-11-16 |