Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6337459 | Multi-layered anti-coking heat resisting metal tube and the method for manufacturing thereof | Kiyoshi Morii, Yuko Takeuchi, Yoshihisa Kato, Hitoshi Hayakawa, Naoki Nishimura | 2002-01-08 |