Recognized for contributions to technological innovation and societal progress

Mitsubishi Electric Corporation (TOKYO: 6503) announced today that Dr. Toru Takahashi of Mitsubishi Electric’s Information Technology R&D Center in Kamakura, Japan and Dr. Michael J. Jones of Mitsubishi Electric Research Laboratories, Inc. in Cambridge, MA, USA have been elevated to the grade of IEEE Fellow in the class of 2026. IEEE, the world’s largest association of some 486,000 professionals engaged in electrical/electronic engineering and information/communication technology in 190 countries, confers fellowships annually on less than 0.1% of its voting members for outstanding contributions to technological innovation and societal progress.

Dr. Toru Takahashi: for leadership in development of phased arrays for satellite communication and radar systems

Dr. Takahashi has developed innovative calibration¹ and dual‑polarization² technologies for phased‑array antennas³ used in satellite communications and radar. His calibration methods enable a phased array to operate as a single antenna by precisely synchronizing all array elements. By reducing calibration time, improving accuracy, and theoretically analyzing error sources, these methods have greatly advanced phased‑array performance as well as contributed to bringing antenna systems into practical use. His novel dual‑polarization technique, called “feed‑point perturbation”⁴ has been applied to the phased arrays on the Advanced Land Observing Satellite-2 “DAICHI-2” (ALOS-2) and the Advanced Land Observing Satellite-4 “DAICHI-4” (ALOS‑4) satellites, both of which observe the Earth's surface using onboard phased array type L-band synthetic aperture radar. Together, these technologies are expanding satellite communications capacity and enabling more versatile radar observations, thereby contributing to a safer world.

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