Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4397328 | Cleaning apparatus of tubular materials for use in pickling facilities for the same | Yoshiro Tanaka, Hayato Moroi, Kazuo Akagi, Ryujiro Shitamatsu, Tadashi Nishimura | 1983-08-09 |