Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4425062 | Cutting and chamfering apparatus for opposing ends of tubular material | Teruaki Kawamura, Tadashi Nishimura, Kazuo Akagi | 1984-01-10 |
| 4398552 | Apparatus for pickling the inner wall of tubular material | Yoshiro Tanaka, Noritsugu Fujii, Kazuo Akagi | 1983-08-16 |
| 4397328 | Cleaning apparatus of tubular materials for use in pickling facilities for the same | Yoshiro Tanaka, Hayato Moroi, Yukihiko Kamatsu, Kazuo Akagi, Tadashi Nishimura | 1983-08-09 |
| 4392267 | Apparatus for continuously pickling the outer surfaces of tubular materials | Yoshiro Tanaka, Hayato Moroi, Yukihiko Komatsu, Kazuo Akagi, Tadashi Nishimura | 1983-07-12 |
| 4392506 | Apparatus for conveying tubular materials in pickling facilities of the same | Yoshiro Tanaka, Hayato Moroi, Yukihiko Komatsu, Kazuo Akagi, Tadashi Nishimura | 1983-07-12 |