Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658717 | Duplex pipe end working method | Hiromi Takasaki, Nobuo Ichimura, Susumu Sato | 2003-12-09 |
| 6552235 | Process for the preparation of cyclohexanol | Tokitaka Kaneshima | 2003-04-22 |
| 6533328 | Joint for duplex pipes | — | 2003-03-18 |