Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5409531 | Releasing agent for die casting | Masato Hakoiwa | 1995-04-25 |
| 4760310 | Cathode-ray tubes and coating materials therefor | Toshiya Yamamoto, Koichi Sakai, Shigemi Hirasawa, Tadao Kubo, Yoshifumi Tomita | 1988-07-26 |