Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9457451 | Method of manufacturing a gear | Hiroyoshi Tawa, Masahiko Mitsubayashi, Keisuke Kadota | 2016-10-04 |
| 8172957 | Method of manufacturing carburized parts | Koji Inagaki, Masahiko Mitsubayashi, Takuya SHIMIZU | 2012-05-08 |