Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9441723 | Steel gear and manufacturing method for the same | Koji Obayashi, Keita Taguchi, Yasutaka Miyake | 2016-09-13 |
| 9388476 | Steel gear and manufacturing method for the same | Koji Obayashi, Keita Taguchi, Yasutaka Miyake | 2016-07-12 |
| 9034116 | Composite steel part and manufacturing method for the same | Koji Obayashi, Daisuke Kasai, Keita Taguchi, Tsutomu Sato | 2015-05-19 |