AK

Atsuhiko Kuzumaki

KT Kabushiki Kaisha Toshiba: 10 patents #3,082 of 21,451Top 15%
Overall (All Time): #508,148 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10090753 Power conversion device and power conversion system Kohei Hasegawa, Sari Maekawa, Takenori Yasuzumi 2018-10-02
10003331 Semiconductor device including normally-off type transistors and normally-on type transistor connected series Kentaro Ikeda, Hiroshi Mochikawa 2018-06-19
9893509 Semiconductor switch and power conversion apparatus Hiroshi Mochikawa, Junichi Tsuda, Yushi Koyama 2018-02-13
9379548 Multilevel reactive power compensator Yushi Koyama, Yosuke Nakazawa, Hiroshi Mochikawa, Takeru Murao 2016-06-28
9257248 Semiconductor switch and power conversion apparatus Hiroshi Mochikawa, Junichi Tsuda, Yushi Koyama 2016-02-09
9236373 Semiconductor device Kentaro Ikeda, Hiroshi Mochikawa 2016-01-12
8896365 Semiconductor switch having reverse voltage application circuit and power supply device including the same Kazuyasu Takimoto, Hiroshi Mochikawa, Yosuke Nakazawa, Hiromichi Tai 2014-11-25
8649198 Power conversion device Hiroshi Mochikawa, Takeru Murao, Masahiro Takasaki, Tadao Ishikawa, Toshiaki Kikuma 2014-02-11
8089780 Semiconductor switch and power conversion system provided with semiconductor switch Hiroshi Mochikawa, Tateo Koyama, Junichi Tsuda 2012-01-03
7872888 Electric power conversion system Hiroshi Mochikawa, Tateo Koyama 2011-01-18