Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12098669 | Two-stroke engine | Shirou Yamaguchi, Takuo Yoshizaki | 2024-09-24 |
| 11542880 | Two-stroke engine for working machine and series hybrid device for working machine incorporating the same | Masanori Noguchi, Toshiharu Sawada, Masaru Nozawa, Yuta Kobayashi | 2023-01-03 |
| 10495047 | Handheld engine-driven working machine | Masayoshi Miyamoto | 2019-12-03 |
| 10247165 | Handheld engine-driven working machine | Toshiharu Sawada | 2019-04-02 |