"Takeshi Hasegawa,Daisuke Koyama,Kentaro Nakamura,Sadayuki Ueha","A design of a miniature ultrasonic pump using a bending disk transducer",,"Journal of Electroceramics","Springer","vol. 20","no. 3-4","pp. 145-151",2008,Aug.
"Takeshi Hasegawa,Daisuke Koyama,Kentaro Nakamura,Sadayuki Ueha","Modeling and performance evaluation of an ultrasonic suction pump",,"Japanese Journal of Applied Physics",,"vol. 47","no. 5S","pp. 4248-4252",2008,May
"長谷川健","超音波ポンプの小型高性能化に関する研究",,,,,,,2008,Mar.
"Takeshi Hasegawa,Daisuke Koyama,Kentaro Nakamura,Sadayuki Ueha","Modeling and performance evaluation of an ultrasonic suction pump","28th Symposium on Ultrasonic Electronics","Proc. Sympo. Ultrason. Electron.",,"Vol. 28","  3-09P-46","pp. 449-450",2007,Nov.
"Takeshi Hasegawa,Daisuke Koyama,Kentaro Nakamura,Sadayuki Ueha","Improvement in the flow rate of a miniature ultrasonic suction pump",,"Japanese Journal of Applied Physics","The Japan Society of Applied Physics","vol. 46","no. 7S","pp. 4931-4935",2007,July
"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
"Takeshi Hasegawa,Kentaro Nakamura,Sadayuki Ueha","A miniature ultrasonic pump using a bending disk transducer and a gap",,"Ultrasonics",,"vol. 44","  supplement 1","pp. 575 - 579",2006,Dec.
"Takeshi Hasegawa,Daisuke KOYAMA,Kentaro Nakamura,Sadayuki Ueha","Improvement in the flow rate of a miniature ultrasonic suction pump",,"Proc. 27th Sympo. Ultrason. Electron.",,"Vol. 27","  P3-50","pp. 473-474",2006,Nov.
"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.
"長谷川健,小山大介,中村健太郎,上羽貞行","揚水機構のモデル化 ?稼動部を持たない小型超音波ポンプの検討（V）ー","日本音響学会２００６年秋季研究発表会","日本音響学会２００６年秋季研究発表会講演論文集",,,"  2-9-21","pp. 913-914",2006,Sept.
"長谷川健,小山大介,中村健太郎,上羽貞行","たわみ振動板の最適設計 ー可動部を持たない小型超音波ポンプの検討（?）ー","日本音響学会２００６年春季研究発表会","日本音響学会２００６年春季研究発表会講演論文集",,,"  1-8-22","pp. 931-932",2006,Mar.
"長谷川健,小山大介,中村健太郎,上羽貞行","たわみ振動板を用いた小型超音波ポンプ","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）","電子情報通信学会","  US2005-94",,"pp. 7-12",2005,Dec.
"長谷川健,中村健太郎,上羽貞行","揚水機構の検討 ― 可動部を持たない小型超音波ポンプの検討(III) ―","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",,"  1-3-6",,"pp. 1119-1120",2005,Sept.
"Takeshi Hasegawa,James R. Friend,Kentaro Nakamura,Sadayuki Ueha","Characteristics of ultrasonic suction pump without moving parts",,"Japanese Journal of Applied Physics",,"vol. 44","no. 6S","pp. 4658-4661",2005,June
"長谷川健","超音波ポンプの小型高性能化に関する研究",,,,,,,2005,Mar.
"長谷川健,James R. Friend,中村健太郎,上羽貞行","超音波を用いた可動部を持たないポンプの動作特性","2004超音波シンポジウム","2004超音波シンポジウム予稿集",,"Vol. 25","  P3-44","pp. 425-426",2004,Oct.
"長谷川 健,James R. Friend,中村 健太郎,上羽 貞行","超音波ポンプの特性向上に関する検討","(独)日本学術振興会弾性波素子技術第150委員会","(独)日本学術振興会弾性波素子技術第150委員会第89回研究会資料",,,,"pp. 1-6",2004,Oct.