Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9441723 | Steel gear and manufacturing method for the same | Koji Obayashi, Keita Taguchi, Takaaki Ogiso | 2016-09-13 |
| 9388476 | Steel gear and manufacturing method for the same | Koji Obayashi, Keita Taguchi, Takaaki Ogiso | 2016-07-12 |