1. James Friend, Kenjiro Takemura, Yuta Kurashina, Spheroid Fabrication in Well Trays Using Ultrasound, US62424098
2. Kaishi Ohashi, Takashi Maeno, Kenjiro Takemura, Tatsuya Koyama, Power transmitting mechanism and power Transmitting Method, US2004/0206596
3. Kenjiro Takemura, Shinji Yamamoto, Nobuyuki Kojima, Takashi Maeno, Control apparatus for vibration type actuator, vibration type actuator system, and method for controlling vibration type actuator, US2004/0124742
4. Yuji Ohno, Kenjiro Takemura, Takashi Maeno, Nobuyuki Kojima, Vibration Wave Driving Apparatus, US 6819029
5. Yuuji Ohno, Kenjiro Takemura, Vibration wave driving apparatus, EP1241715
6. Kenjiro Takemura, Shinji Yamamoto, Nobuyuki Kojima, Control device, method and system of vibration exciter, CN1497831
7. Kenjiro Takemura, Shinji Yamamoto, Nobuyuki Kojima, Takashi Maeno, Control apparatus for vibration type actuator, vibration type actuator system, and method for controlling vibration type actuator, EP1408560
8. T. Maeno, K. Takemura, Vibration type actuator and vibration type driving apparatus, KR 10-0347124
9. Takashi Maeno, Kenjiro Takemura, Ichiro Okumura, Nobuyuki Kojima, Vibration type actuator and vibration type driving apparatus, US 6404104
10. Takashi Maeno, Ichiro Okumura, Nobuyuki Kojima, Kenjiro Takemura, Vibration type actuator and vibration type driving apparatus, US 6380660
11. I. Okumura, N. Kojima, T. Maeno, K. Takemura, Vibration type actuator and vibration type driving apparatus, EP0923144