Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4368219 | Method and apparatus for coating the inner surface of long tubes of small diameter | Koji Nagata, Mamoru Nishikawa, Kikuji Tachibana | 1983-01-11 |
| 4335677 | Coating of the inner surface of tubes | Koji Nagata, Akio Ogiso | 1982-06-22 |