Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9382926 | Oil passage change-over valve | Yasuhiko Arai, Tokio SAKATA | 2016-07-05 |
| 6822962 | Virtual connection switching method and ATM switch | Toshimichi Noake, Mitsumasa Mori, Katsuya Ohwada, Sadato Ando | 2004-11-23 |
| 6684537 | Excavator with a piping structure for absorbing variations in hose length | Takeshi Ikumura | 2004-02-03 |