Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE47823 | Direct-acting valve lifter of internal combustion engine | — | 2020-01-21 |
| 9657606 | Direct-acting valve lifter of internal combustion engine | — | 2017-05-23 |
| 9473854 | Electrodynamic exciter and vehicle lamp employing the same | Yasunori Tsukuda, Atsushi Sugimoto, Osamu Endo, Naoki Tatara | 2016-10-18 |