Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6513462 | Descaling device for steam generator | Tadashi Shiraishi, Takehiko Ichioka, Fumitoshi Nakao, Toshiyuki Kinugasa | 2003-02-04 |
| 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 | Shigeyoshi Maeda, Masahiro Yamamoto, Hiroyasu Omata | 1987-09-08 |