"Yasuyuki Goda,Daisuke Koyama,Kentaro Nakamura","Design of multi-degree-of-freedom ultrasonic micro motors",,"Japanese Journal of Applied Physics",,"vol. 48","no. 7S","pp. 07GM06-1-4",2009,July
"Yasuyuki Goda,Daisuke Koyama,Kentaro Nakamura,Sadayuki Ueha","A 2 x 2 array of the multi-degree-of freedom ultrasonic actuators for a low prfile two-dimensional sliiding table",,"IEICE Electronics Express","IEICE","vol. 6","no. 6","pp. 317-321",2009,Mar.
"Yasuyuki Gohda,Daisuke Koyama,Kentaro Nakamura","Design of a two-dimensional array of multi-degree-of freedom ultrasonic micro motors","29th Sympo. Ultrason. Electron.","Proc. 29th Sympo. Ultrason. Electron.","超音波シンポジウム運営委員会","Vol. 29",,"pp. 503-504",2008,Nov.
"Xiaofeng Zhang,Yasuyuki Gouda,Daisuke Koyama,Kentaro Nakamura,Sadayuki Ueha","A basic design of robot finger joint using multi-degree-of-freedom ultrasonic motor",,"Acoustical Science and Technology",,"vol. 29","no. 3","pp. 235-237",2008,Mar.
"Yasuyuki Gouda,Kentaro Nakamura,Sadayuki Ueha","A miniaturization of the multi-degree-of-freedom ultrasonic actuator using a small cylinder fixed on a substrate",,"Ultrasonics",,"Vol. 44","  supplement 1","pp. 617-620",2006,Dec.
"合田泰之,小山大介,中村健太郎,上羽貞行","他自由度超音波アクチュエータの小型化とアレイ化","電子情報通信学会超音波研究会","信学技報","社団法人 電子情報通信学会","  US2006-86",,"pp. 1-6",2006,Dec.
"Yasuyuki Gohda,Daisuke Koyama,Kentaro Nakamura,Sadayuki Ueha","A 2d-array of multi-degree-of freedom ultrasonic actuators",,"Proc. 27th Sympo. Ultrason. Electron.",,"Vol. 27","  P2-60","pp. 327-328",2006,Nov.
"合田泰之,小山大介,中村健太郎,上羽貞行","多自由度超音波アクチュエータの小型化とアレイ化",,"日本音響学会２００６年秋季研究発表会講演論文集","日本音響学会２００６年秋季研究発表会",,"  2-9-19","pp. 909-910",2006,Sept.
"James Friend,Yasuyuki Gouda,Kentaro Nakamura,Sadayuki Ueha","A simple bidirectional linear microactuator for nanopositioning - the baltan microacatuator",,"IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control",,"vol. 53","no. 6","pp. 1160-1168",2006,June
"Yasuyuki Gohda,Daisuke Koyama,Kentaro Nakamura,Sadayuki Ueha","A miniature multi-degree-of-freedom ultrasonic motor","第26回超音波シンポジウム","Proccedings of 26th Symposium on Ultrasonic Electronics",,"Vol. 26","  E-3","pp. 197-198",2005,Nov.
"合田泰之,中村健太郎,上羽貞行","他自由度超音波アクチュエータの小型化","日本音響学会2005年秋季研究発表会","日本音響学会2005年秋季研究発表会講演論文集",,"  1-3-1",,"pp. 1109-1110",2005,Sept.
"James R. Friend,Yasuyuki Gohda,Kentaro Nakamura,Sadayuki Ueha","Design and testing of a 4-mm? bidirectional linear microfin actuator","2004 IEEE Ultrasonics Symposium","Proceedings of 2004 IEEE",,,,"pp. 1302-1305",2004,Aug.
"合田泰之,James R. Friend,中村健太郎,上羽貞行","非対称二本突起構造を用いたマイクロ超音波リニアモータ","日本音響学会2004年春季研究発表会","日本音響学会2004年春季研究発表会講演論文集",,"  3-1-2",,"pp. 955-956",2004,Mar.