Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10514074 | Railway vehicle disc brake apparatus | — | 2019-12-24 |
| 10286801 | Charge system to improve battery operational life | Takayuki Shimizu, Akihisa Yokoyama, Kunihiko Kumita | 2019-05-14 |