Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942773 | Device for sampling steel material | Kaizo Okamoto, Akira Ichihara, Akimune Sato, Kenji Hirata, Katsuhisa Hirayama +4 more | 1990-07-24 |
| 4327466 | Conditioning machine for brushing end face of metal material | Yoshitsugu Yanagida, Mitsuo Higuchi, Yoshiaki Ito, Syogo Ehiro | 1982-05-04 |