| 6437480 |
Apparatus and method for driving an ultrasonic motor to reduce rise response time |
— |
2002-08-20 |
| 6091179 |
Vibration actuator drive device and method of use |
Michihiro Tobe, Tadao Takagi |
2000-07-18 |
| 5990597 |
Ultrasonic motor having high drive efficiency |
Tadao Takagi |
1999-11-23 |
| 5912525 |
Vibration actuator |
Mina Kobayashi |
1999-06-15 |
| 5859490 |
Vibration actuator and driving apparatus |
— |
1999-01-12 |
| 5744897 |
Driving control device for vibration wave motor |
Tadao Takagi, Ryoichi Suganuma |
1998-04-28 |
| 5710491 |
Driving control device for vibration wave motor |
Tadao Takagi, Ryoichi Suganuma |
1998-01-20 |
| 5686776 |
Ultrasonic motor having high drive efficiency |
Tadao Takagi |
1997-11-11 |
| 5661360 |
Ultrasonic motor having high drive efficiency |
Tadao Takagi |
1997-08-26 |
| 5654604 |
Vibration motor having improved adhesive layer between electromechanical conversion element and elastic body |
Takatoshi Ashizawa, Ryoichi Suganuma, Tomohiko Yokoo |
1997-08-05 |
| 5625247 |
Vibration driven motor |
Tsuneo Watanabe, Tadao Takagi, Ryouichi Suganuma, Kunihiro Fukino |
1997-04-29 |
| 5508581 |
Ultrasonic motor with a stator and a mobile element made of improved materials |
Takatoshi Ashizawa, Ryoichi Suganuma |
1996-04-16 |
| 5446331 |
Ultrasonic wave motor |
Tsuneo Watanabe, Tadao Takagi, Ryouichi Suganuma, Kunihiro Fukino |
1995-08-29 |
| 5336958 |
Ultrasonic motor unit |
Ryoichi Suganuma |
1994-08-09 |
| 5333029 |
Camera capable of detecting eye-gaze |
Shigeyuki Uchiyama, Tadao Takagi, Yuji Katano, Shigemasa Sato, Toshimi Watanabe |
1994-07-26 |
| 5204577 |
Ultrasonic motor improved in driving efficiency |
Tsuneo Watanabe, Tadao Takagi |
1993-04-20 |
| 5066884 |
Ultrasonic motor having high drive efficiency |
Tadao Takagi, Shigehisa Nemoto |
1991-11-19 |