Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9920663 | Hollow poppet valve | Atsuyuki Ichimiya | 2018-03-20 |
| 9790822 | Hollow poppet valve | Masaaki Inoue | 2017-10-17 |
| 9611953 | Hollow poppet valve | Naoya Ishihara | 2017-04-04 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9920663 | Hollow poppet valve | Atsuyuki Ichimiya | 2018-03-20 |
| 9790822 | Hollow poppet valve | Masaaki Inoue | 2017-10-17 |
| 9611953 | Hollow poppet valve | Naoya Ishihara | 2017-04-04 |