Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7818942 | Method of building a floor for a boiler cage | Kazuhito Nakamitsu, Shigeyoshi Kawaguchi, Shinichirou Takeshita, Yuusuke Yoshida, Yuuji Yokoi +2 more | 2010-10-26 |
| 4469312 | Melting furnace of a rigid structure | Koichi Konda | 1984-09-04 |