Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4690558 | Method of laser emission spectroscopical analysis and apparatus therefor | Kouzou Tsunoyama, Yoshiharu Ohashi, Yasuko Furunushi | 1987-09-01 |
| 4589931 | Method of producing a thin steel sheet having baking hardenability and adapted for drawing | Akira Yasuda, Toshio Irie | 1986-05-20 |
| 4206004 | Process of pretreating cold-rolled steel sheet for annealing | Nobuo Ohashi, Minoru Nishida, Yukio Inokuchi | 1980-06-03 |