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－　　－6Tomohiro SEKIProfessor, Department of Electrical and Electronic EngineeringTomohiro Seki is a professor at the Department of Electrical Engineering, College of Industrial Technology of Nihon University. He received his B.E., M.E. and Dr. Eng. degrees in electrical engineering from the Tokyo University of Science, Tokyo, Japan in 1991, 1993 and 2006, respectively. In 1993, he joined NTT and has been engaged in research on planar antennas and active integrated antennas for the millimeter-wave and microwave bands. In 2015, he joined Nihon University. He is currently interested in system-on-package technologies for millimeter-wave communication systems and wireless power transfer technologies for micro-wave and quasi-millimeter-wave frequency bands. He received the 1999 Young Engineer Award presented by IEICE, the 2006 and 2015 Best Paper Award presented by the IEICE Communications Society, and the 2016 Best Paper Award presented by IEICE. He is a senior member of IEICE and a member of IEEE.Research Achievements1)Performance Enhancement by Beam Tilting in SD Transmission Utilizing Two-Ray Fading, IEICE Communication Express, Vol. 1, 1-6, pp. 405-410, June 2017. 2)Alignment Tolerance in Multiple-stream Transmission Using Orthogonal Directivities under Line-of-sight Environments, IEICE Transactions on Communications, Vol.E99-B, No.6, pp.1362-1370, June 2016.3)Multiband Sector Antenna with the Same Beamwidth Employing Multiple Woodpile Metamaterial Reflectors, IEICE Trans. Electron., vol. E97-C, no. 10, pp. 976-985, Oct. 2014.4)A Study of Short-Range MIMO Transmission Utilizing Polarization Multiplexing for the Simplification of Decoding, IEICE Transactions on Communications, Vol.E97-B, No.2, pp. 459-468, Feb. 2014.5)Millimeter-Wave High Efficiency Multilayer Parasitic Microstrip Antenna Array on Teflon Substrate, IEEE Transactions on Microwave Theory and Technique, Vol.53, No.6, pp2101-2106, June 2005.