Hifumi Noto

Hifumi Noto is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of feedback circuits and antenna technology. With a total of 6 patents to his name, Noto continues to push the boundaries of innovation in his field.

Latest Patents

Among his latest patents is the Cartesian feedback circuit. This invention is designed to output a first I signal that has passed through a first inverse characteristic circuit, which possesses inverse frequency characteristics to those of a first loop filter circuit. Additionally, it outputs a first Q signal that has passed through a second inverse characteristic circuit, which also has inverse frequency characteristics to those of a second loop filter circuit. Another notable patent is the phased array antenna device. This device includes synthesizers for synthesizing feedback signals output from multiple antenna modules. A distortion compensation signal output unit derives a distortion compensation coefficient from the difference between a synthesized feedback signal and a base band signal. This coefficient is then applied to the base band signal to counteract distortion characteristics of the signal radiated from the phased array antenna.

Career Highlights

Hifumi Noto is currently employed at Mitsubishi Electric Corporation, where he continues to develop innovative technologies. His work has garnered attention for its practical applications and technical sophistication.

Collaborations

Noto has collaborated with notable colleagues, including Hiroshi Otsuka and Kazuhisa Yamauchi. Their combined expertise has contributed to the advancement of their projects and innovations.

Conclusion

Hifumi Noto stands out as a key figure in the realm of feedback circuits and antenna technology. His inventive spirit and dedication to innovation continue to inspire advancements in these fields.

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