Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12407061 | Battery module, electric power unit, and working machine | Keisuke Muraoka, Shuji Nagatani | 2025-09-02 |
| 12029155 | Working machine having multiple modes of operation | Koji Kuriyagawa | 2024-07-09 |
| 11302989 | Battery pack | Keisuke Muraoka, Shuji Nagatani | 2022-04-12 |
| 10439465 | Electric power unit | Nobuyuki Kaneko | 2019-10-08 |
| 7762148 | Magnetostrictive torque sensor and electric power steering apparatus | Yasuo Shimizu | 2010-07-27 |
| 7640815 | Magnetostriction type torque sensor | Atsuhiko Yoneda, Yasuo Shimizu, Yoshihiro Oniwa, Yutaka Arimura, Takashi Miyoshi | 2010-01-05 |
| 7621368 | Magnetostrictive coat forming method, magnetostrictive torque sensor manufacturing method, and electric power steering apparatus employing the sensor | Yasuo Shimizu, Yoshito Nakamura, Nobuhiko Yoshimoto, Koji Kobayashi, Yuichi Fukuda +3 more | 2009-11-24 |
| 7506554 | Magnetostrictive torque sensor system and electric steering system | Yasuo Shimizu, Yoshito Nakamura, Atsuhiko Yoneda | 2009-03-24 |
| 7478568 | Magnetostrictive torque sensor system and electric power steering apparatus employing the same | Atsuhiko Yoneda, Yasuo Shimizu | 2009-01-20 |
| 7386930 | Method for manufacturing a magnetostrictive torque sensor | Yasuo Shimizu, Yoshito Nakamura, Nobuhiko Yoshimoto, Koji Kobayashi, Yuichi Fukuda +3 more | 2008-06-17 |
| 7310870 | Method for forming an annular magnetostrictive coat on an outer peripheral surface of a rotational shaft of magnetostrictive torque sensor | Yasuo Shimizu, Yoshito Nakamura, Nobuhiko Yoshimoto, Koji Kobayashi, Yuichi Fukuda +3 more | 2007-12-25 |
| 7013741 | Torque sensor | Yoshito Nakamura, Yasuo Shimizu | 2006-03-21 |
| 6978686 | Torque sensor | Yasuo Shimizu, Hisao Asaumi | 2005-12-27 |
| 6966232 | Torque sensor | Hisao Asaumi, Yasuo Shimizu | 2005-11-22 |
| 6959781 | Rotational torque detection mechanism and power steering apparatus | Yasuo Shimizu, Yoshito Nakamura | 2005-11-01 |
| 6595074 | Torque detecting device and electromotive power steering apparatus mounting the torque detecting device thereon | Yasuo Shimizu | 2003-07-22 |