Kan Okubo, Nobunao Takeuchi, Mitsuru Utsugi, Kiyohumi Yumoto, Yoichi Sasai, ”Direct magnetic signals from earthquake rupturing: Iwate-Miyagi earthquake of M 7.2, Japan”, Earth and Planetary Science Letters, Volume 305, Issues 1-2, Pages 65-72, May 2011
Takeshi Yoda, Kan Okubo, Norio Tagawa, Takao Tsuchiya, ”Examination on Fast Algorithms of Compact Finite Difference Calculation for Finite Difference Time Domain Acoustic Wave Simulation”, Jpn, J. Appl. Phys., vol.50, 07HC12, July, 2011.
Yuta Ara, Kan Okubo, Norio Tagawa, Takao Tsuchiya, Takashi Ishizuka, ”Examination of Sub-Grid Technique for Simulation of Sound Wave Propagation Using Constrained Interpolation Profile Method with Method of Characteristics”, Jpn, J. Appl. Phys., vol.50, 07HC20, July, 2011.
M. Tanaka, T. Tsuchiya, and K. Okubo, “Two-Dimensional Numerical Analysis of Nonlinear Sound Wave Propagation Using Constrained Interpolation Profile Method Including Nonlinear Effect in Advection Equation,” Jpn. J. Appl. Phys., vol.50, no. 7, p.07HE17.1-07HE17.5, Jul. 2011
K. Okubo, A. Takeuchi and N. Takeuchi, ”Underground Electric Signal at the Occurrence of the Niigataken Chuetsu-oki Earthquake in 2007”, Japan, IEICE Trans. Electron., vol.E95–C, no. 1, pp.110–114, Jan. 2012.
A. Takeuchi, K. Okubo, and N. Takeuchi, ”Electric Signals on and under the Ground Surface Induced by Seismic Waves,International Journal of Geophysics”, Int. J. Geophys., vol.2012, no. 3, pp.47–70, Feb. 2012
著書
M. Tanabe, T. Yamamura, K. Okubo, and N. Tagawa, Tissue Harmonic Imaging with Coded Excitation, "Ultrasound Imaging" chapter 6, pp.97-112, April, 2011, In-Tech, ISBN 978-953-307-239-5.
A. Takeuchi, K. Okubo and N. Takeuchi, Electric and electromagnetic signals under, on, and above the ground surface at the arrival of seismic waves, Seismic Waves - Research and Analysis, chapter 3, pp.47-70, January, 2012, In-Tech, ISBN 978-953-307-944-8.
R. Tanaka, T. Omura, K. Okubo, N. Tagawa, S. Yagi, ”A Method for Improving Directivity of Elastic Shear Waves Using Stress Distribution Having Odd Function Form,” Int. Tissue Elast. Conf., p.37, Oct. 2011.
M. Tanabe, T. Yamamura, K. Okubo, N. Tagawa, ”A Novel Imaging Method of Coded THI Using Multi Chirp Signals,” IEEE Int. Ultrason. Symp., Oct. 2011.
T. Omura, M. Tanabe, K. Okubo, N. Tagawa, ”Study on Rotation Speed Control of Coiled Stator Ultrasonic Motor Using Pulse Width Modulation,” IEEE Int. Ultrason. Symp., Oct. 2011.
T. Yamamura, M. Tanabe, K. Okubo, N. Tagawa, ”Noise Reduction of Tissue Harmonic Images Using Information of Fundamental Echo,” IEEE Int. Ultrason. Symp., Oct. 2011.
Y. Ara, K. Okubo, N. Tagawa, T. Tsuchiya, T. Ishizuka, ”A Novel Numerical Simulation of Sound Wave Propagation Using Sub-grid CIP-MOC Method,” IEEE Int. Ultrason. Symp., Oct. 2011.
K. Okubo, Y. Suyama, A. Takeuchi, T. Murai,T. Nagao, Y. Sasai, N. Takeuchi, ”Observation signals of Earth's magnetic field: The 2011 off the Pacific coast of Tohoku Earthquake of M 9.0, Japan,” Am. Geophys. Union, Fall Meet. 2011, no.NH23A–1544, Dec. 2011.
K. Takamiya, K. Okubo, N. Tagawa, ”High-speed High-accuracy Image Interpolation Using Pseudo Spectral Hermite Interpolation (PS-HI) Method,” Int. Work. Adv. Image Technol., Jan. 2012.
N. Tagawa, Y. Iida, K. Okubo, ”Depth Perception Model Exploiting Blurring Caused by Random Small Camera Motions,” Int. Conf. Comput. Vision, Theory Appl., pp.329–334, Feb. 2012.
K. Wakabayashi, N. Tagawa, K. Okubo, ”Direct Computation of Depth From Shading for Perspective Projection,” Int. Conf. Comput. Vision, Theory Appl., pp.445–448, Feb. 2012.