Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6431024 | Backpack-type working machine | Kunio Tsutsui, Junichi Miyamoto | 2002-08-13 |
| 6352058 | Air scavenging two-stroke cycle engine | Isao Yoshimizu, Masanori Kobayashi | 2002-03-05 |