Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8082409 | Data storage device and data management method in data storage device | Shuhji Yamada, Toshio Kakihara, Katsuhiro Imoto | 2011-12-20 |
| 4680929 | Swivelling working vehicle | Kazushige Ikeda | 1987-07-21 |
| 4552503 | Excavating vehicle | Yoshinobu Tabuchi, Akira Tsuda, Masahiro Tsutsumi, Kazushige Ikeda | 1985-11-12 |