RH

Ryuta Hasegawa

KT Kabushiki Kaisha Toshiba: 13 patents #2,297 of 21,451Top 15%
TS Toshiba Energy Systems & Solutions: 1 patents #268 of 569Top 50%
Overall (All Time): #379,599 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
10291159 Control system, controller, and control method for wound induction machine Takahisa Kageyama, Kiyoshi Kusunoki, Teruyuki Ishizuki, Yuichi Shiozaki, Takashi Fujita +1 more 2019-05-14
10075092 Neutral point power converter with first and second chopper cell groups Yosuke Nakazawa, Daichi Suzuki 2018-09-11
9887617 Power conversion device and control method thereof Shinya Kono, Takashi Fujita, Teruyuki Ishizuki 2018-02-06
9780692 Control device of neutral-point-clamped power converter apparatus, and control method of neutral-point-clamped power converter apparatus Teruyuki Ishizuki, Takashi Fujita 2017-10-03
9673715 Switching element driving power supply circuit Yosuke Nakazawa 2017-06-06
9643496 Power conversion apparatus for vehicle and vehicle Yuusuke Kouno, Yosuke Nakazawa, Kentaro Suzuki, Tomoyuki Makino 2017-05-09
9548685 Over-voltage prevention device and current rectifying circuit Teruyuki Ishizuki, Takashi Fujita, Takahisa Kageyama, Yutaro Kitamori, Sho Sato 2017-01-17
9450509 Power conversion apparatus Yuusuke Kouno, Yosuke Nakazawa, Kentaro Suzuki, Tomoyuki Makino 2016-09-20
9374030 Generator excitation apparatus and power conversion system Katsuhisa Inagaki, Kentaro Suzuki, Teruyuki Ishizuki, Kiyoshi Kusunoki 2016-06-21
9287797 Electric power converting device and electric power converting method Yosuke Nakazawa, Kentaro Suzuki, Katsuhisa Inagaki, Teruyuki Ishizuki 2016-03-15
8582335 Inverter apparatus Hiroshi Mochikawa, Masami Hirata, Yukihiko Hatano 2013-11-12
8354813 Inverter device, electric automobile in which the inverter device is mounted, and hybrid automobile in which the inverter device is mounted Ryuichi Morikawa, Toshiharu Oobu 2013-01-15
7969227 Temperature detection circuit Ryuichi Morikawa, Nobumitsu Tada, Masami Hirata 2011-06-28