Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8894778 | Carburized and high-frequency hardened part having high strength | Toshiyuki Morita, Kouji Ohbayashi, Masaki Kuwabara, Taro Matsukawa, Yutaka Eto | 2014-11-25 |
| 7815750 | Method of production of steel soft nitrided machine part | Makoto Okonogi, Kenichiro Naito, Hideki Matsuda, Seiji Kobayashi | 2010-10-19 |