Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789335 | Shovel | Hideki Kinugawa, Masayuki Komiyama, Masayuki Kagoshima | 2004-09-14 |
| 6635973 | Capacitor-equipped working machine | Masayuki Kagoshima, Hideki Kinugawa, Masayuki Komiyama | 2003-10-21 |