Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9434253 | Damper and operation unit | Hideto Arigaya, Katsutoshi Kumazawa, Kentaro Yamauchi | 2016-09-06 |
| 9249855 | Damper | Katsutoshi Kumazawa | 2016-02-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9434253 | Damper and operation unit | Hideto Arigaya, Katsutoshi Kumazawa, Kentaro Yamauchi | 2016-09-06 |
| 9249855 | Damper | Katsutoshi Kumazawa | 2016-02-02 |