Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806724 | Laser beam machining device | Akira Kishida, Shiroh Yokoama, Ichiku Yokoyama, Goudai Yokoyama | 1989-02-21 |
| 4741193 | Method and apparatus for cooling rolling mill rolls | Tomoaki Kimura, Yoshio Takakura, Sakae Nishimura, Nobuyoshi Sasaki, Toshio Ohki | 1988-05-03 |
| 4623777 | Apparatus for butt welding steel strips by using a laser beam in a steel strip-processing line | Masaki Aihara, Noboru Tsuruta, Hiroaki Sasaki | 1986-11-18 |