Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421674 | Work machine | — | 2025-09-23 |
| 11384711 | Engine | Soji Kashima, Toshiro Kiura | 2022-07-12 |
| 11384725 | Engine decompression device and engine | Naotoshi NIO, Kentaro Sugimura | 2022-07-12 |
| 11313319 | Engine | Soji Kashima, Toshiro Kiura | 2022-04-26 |
| 8960072 | Multilayer lubrication coating film and internal combustion engine piston using the coating film | Kenji Suto, Tomonori Saito, Yoshimi Kuroda | 2015-02-24 |
| 8763569 | Vertical, multi-link, adjustable-stroke type engine | Gaku Naoe, Kotaro Sugi | 2014-07-01 |