Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877664 | Materials having a deoxidation function and a method of removing oxygen in sealed containers | Tsunetoshi Asai, Hidejiro Asano, Haruyoshi Taguchi | 1989-10-31 |
| 4740402 | Materials having a deoxidation function and a method of removing oxygen in sealed containers | Tsunetoshi Asai, Hidejiro Asano, Haruyoshi Taguchi | 1988-04-26 |
| 4692191 | Method of improving functions of surface of alloy steel by means of irradiation of laser beam, and alloy steel and structure made by the method | Masahiro Yamamoto, Hiroyasu Omata, Hideya Okada | 1987-09-08 |
| 4235947 | Method for the manufacture of a steel sheet adapted for use in ironing processing having good lubrication property | Hidejiro Asano, Yashichi Oyagi | 1980-11-25 |