Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11173754 | Pneumatic tire | Masatoshi Kuwajima, Masataka Koishi | 2021-11-16 |
| 11041658 | Method of producing exterior case for hot water unit, exterior case for hot water unit and hot water unit | Nobuhiro Fukui | 2021-06-22 |