Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339247 | Distributed data CAD system | Shigeru Arai, Koichi Mitsuda | 1994-08-16 |
| 4491623 | Double-layer electroplated steel article with corrosion resistance after painting and wet adhesion of paint film | Ichiro Kokubo, Hirohiko Sakai, Masatoshi Iwai | 1985-01-01 |
| 4407900 | Electroplated corrosion resistant steels and method for manufacturing same | Masatoshi Iwai | 1983-10-04 |
| 4385940 | Method for anticorrosive treatment of galvanized steel | Tsutomu Ohshima | 1983-05-31 |