Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7825531 | Hydraulic power generating device and manufacturing method therefor | Shogo Tanaka, Hideaki Ito, Shinichi Yoshikawa | 2010-11-02 |
| 7256519 | Linear actuator and pump device and compressor device therewith | Hideaki Ito | 2007-08-14 |
| 7005758 | Hydraulic power generating device | Hideo Kumagai | 2006-02-28 |
| 6980072 | Linear actuator, and pump and compressor devices using the actuator | Shohzoh Tanaka, Kazuhiko Ueda | 2005-12-27 |
| 6956306 | Linear actuator, and pump device and compressor device using the same | Hideaki Ito | 2005-10-18 |
| 6876100 | Small power generating device and water faucet device | — | 2005-04-05 |
| 6853100 | Linear actuator and a pump apparatus and compressor apparatus using same | — | 2005-02-08 |
| 6768218 | Small hydroelectric power generator | — | 2004-07-27 |
| 6559553 | Small-sized hydroelectric power generating apparatus | Toshifumi Tsuruta | 2003-05-06 |
| 6509652 | Small-sized hydroelectric power generating apparatus | — | 2003-01-21 |
| 6208047 | Motor | Ikuo Agematsu, Kiyoshi Wakai, Yoshinori Ogawa, Katsumi Matsumoto | 2001-03-27 |