Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4455726 | Chamfering apparatus for end faces of tubular members | Yukihiko Komatsu, Hiroshi Yamane | 1984-06-26 |
| 4425062 | Cutting and chamfering apparatus for opposing ends of tubular material | Tadashi Nishimura, Kazuo Akagi, Ryujiro Shitamatsu | 1984-01-10 |
| 4391016 | Degreasing apparatus for elongated materials | Nobuhiko Harada, Yukihiko Komatsu, Masaru Sakai | 1983-07-05 |