Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6308871 | Pressure tube | David B. Orr, James N. Karamanos, Noriaki Yamauchi | 2001-10-30 |
| 6216924 | Pressure tube | David B. Orr, James N. Karamanos, Noriaki Yamauchi | 2001-04-17 |
| 4560405 | Process for desulfurizing molten steel | Yoshiharu Miyawaki, Masayuki Hanmyo, Yasuhiro Matsuda, Yoshimi Komatsu, Tsuneo Kondo +1 more | 1985-12-24 |
| 4539043 | Bottom-blown gas blowing nozzle | Yoshiharu Miyawaki, Masayuki Hanmyo, Teruyuki Hasegawa, Yoichi Nimura, Noriyuki Hiraga | 1985-09-03 |