"武井 裕之,小山 大介,中村 健太郎,上羽 貞行","たわみ振動板と反射板による発生空気流量の改善",,"電子情報通信学会論文誌Ａ","（社）電子情報通信学会","Vol. J91-A","No. 12","pp. 1152-1155",2008,Dec.
"Daisuke Koyama,Hiroyuki Takei,Kentaro Nakamura,Sadayuki Ueha","A self-running standing wave-type bidirectional slider for the ultrasonically levitated thin linear stage",,"IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control","IEEE","vol. 55","no. 8","pp. 1823-1830",2008,Aug.
"Daisuke Koyama,Hiroyuki Takei,Kentaro Nakamura,Sadayuki Ueha","A self-running standing wave type slider for the ultrasonically levitated linear stage","Actuator 2008","Proc. Actuator 2008",,,,"p. 554",2008,June
"Hiroyuki Takei,Daisuke Koyama,Kentaro Nakamura,Sadayuki Ueha","Air Flow in a small gap between bending vibrator and reflector",,"Japanese Journal of Applied Physics","The Japan Society of Applied Physics","vol. 47","no. 5S","pp. 4276-4281",2008,May
"小山 大介,武井 裕之,中村 健太郎,上羽 貞行,西川 誠人,中川 龍幸,木内 均","たわみ振動板と反射板を用いた超音波空気ポンプ		.","電子情報通信学会超音波研究会","信学技報","（社）電子情報通信学会","Vol. 108-73","  US2008-14","  23-28",2008,May
"小山 大介,武井 裕之,中村 健太郎,上羽 貞行","たわみ定在波振動による自走式超音波浮上リニアステージ","日本音響学会2008春季研究発表会","日本音響学会2008春季研究発表会講演論文集","日本音響学会",,"  2-8-6","pp. 1233-1234",2008,Mar.
"小山 大介,武井 裕之,中村 健太郎,上羽 貞行","超音波定在波を用いた自走式非接触リニアステージ","電子情報通信学会 超音波研究会","電子情報通信学会技術研究報告（信学技報）","社団法人 電子情報通信学会","Vol. 107(376)","  us2007-82","pp. 1-6",2007,Dec.
"D. Koyama,H. Takei,K. Nakamura,S. Ueha","A self-running standing wave type ultrasonically levitated linear guide","28th Sympo. Ultrason. Electron","Proc. Sympo. Ultrason. Electron..",,"Vol. 28","  2-09-01","pp. 167-168",2007,Nov.
"Hiroyuki Takei,Daisuke Koyama,Kentaro Nakamura,Sadayuki Ueha","Air flow in a small gap between a bending vibrator and a reflector","28th Symposium on Ultrasonic Electronics","Proc. Sympo. Ultrason. Electron.",,"Vol. 28","  2-09P-54","pp. 301-302",2007,Nov.
"Hiroyuki Takei,Takeshi Hasegawa,Kentaro Nakamura,Sadayuki Ueha","Measurement of Intense ultrasound field in air using fiber optic probe (brief communication)",,"Japanese Journal of Applied Physics","The Japan Society of Applied Physics","vol. 46","no. 7B","pp. 4555-4557",2007,July
"H. Takei,D. Koyama,K. Nakamura,S. Ueha","Air flow in a small gap between a bending vibrator and a reflector","The 2007 ICU Vienna","Proceeding of the 2007 International Congress on Ultrasonics",,,,"pp. 146",2007,Apr.
"Hiroyuki Takei,Takeshi Hasegawa,Kentaro Nakamura,Sadayuki Ueha","Measurements of intense ultrasound field in air using a fiber optic probe",,"Proc. 27th Sympo. Ultrason. Electron.",,"Vol. 27","  P3-10","pp. 393-394",2006,Nov.