Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9732395 | Ingot for bearing and production process | Kiyoshi Uwai, Shinji Mitao | 2017-08-15 |
| 9618070 | Spring steel and method for manufacturing the same | Kazukuni Hase, Hideto Kimura | 2017-04-11 |