Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7159481 | Ball screw device and linear motion device | Takeshi Nakazawa, Yoshinori Mizumura | 2007-01-09 |
| 7146869 | Ball screw device and linear motion device | Tsutomu Ohkubo, Takeshi Nakazawa, Shirouji Yabe, Soichiro Kato, Nobumitsu Takahashi +3 more | 2006-12-12 |
| 6813968 | Ball screw device and linear motion device | Tsutomu Ohkubo, Takeshi Nakazawa, Shirouji Yabe, Soichiro Kato, Nobumitsu Takahashi +3 more | 2004-11-09 |
| 6805019 | Ball screw device and linear motion device | Takeshi Nakazawa, Yoshinori Mizumura | 2004-10-19 |
| 6675669 | Ball screw apparatus | Noriaki Sekiya, Daisuke Maruyama, Toshiyuki Iehisa | 2004-01-13 |
| 6450055 | Ball screw apparatus | Noriaki Sekiya, Daisuke Maruyama, Toshiyuki Iehisa | 2002-09-17 |
| 6347558 | Ball screw device and linear motion device | Tsutomu Ohkubo, Takeshi Nakazawa, Shirouji Yabe, Soichiro Kato, Nobumitsu Takahashi +3 more | 2002-02-19 |
| 6216821 | Lubricating apparatus for ball screw | Ken Namimatsu, Osamu Ideta, Toshikazu Yabe | 2001-04-17 |
| 6092434 | Ball screw device of ball-circulating-part embedded type | Tetsuo Matsumoto, Shigeharu Kobayashi | 2000-07-25 |
| 5809838 | Ball screw device with means for maintaining balance | Daisuke Kuroiwa | 1998-09-22 |
| 5711188 | Internal-circulation-type ball screw device | Akio Sakai | 1998-01-27 |
| 5697252 | Preliminary thrusting mechanism for a screw device | Toshiaki Yamaguchi | 1997-12-16 |
| 5653145 | External circulation type ball thread device | Shuichi Kobayashi | 1997-08-05 |
| 5582072 | Preliminary thrusting mechanism for a screw device | Toshiaki Yamaguchi | 1996-12-10 |