Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850946 | Bearing bush for use in toggle | Maki Hirayama | 2017-12-26 |
| 9568047 | High-strength brass alloy for sliding member, and sliding member | Maki Hirayama, Kentaro Okubo | 2017-02-14 |