YK

Yushi Koyama

KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
SO Sony: 2 patents #12,963 of 25,231Top 55%
TS Toshiba Infrastructure Systems & Solutions: 1 patents #186 of 424Top 45%
Overall (All Time): #621,626 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11729544 Information output device Kohei Kikuchi 2023-08-15
10938319 Power conversion apparatus Koji Maki, Hiroshi Mochikawa, Shunsuke Tamada, Takuro Arai, Ryuichi Morikawa +1 more 2021-03-02
10932029 Headphones Tomohiro Ito 2021-02-23
9893509 Semiconductor switch and power conversion apparatus Hiroshi Mochikawa, Atsuhiko Kuzumaki, Junichi Tsuda 2018-02-13
9379548 Multilevel reactive power compensator Yosuke Nakazawa, Hiroshi Mochikawa, Atsuhiko Kuzumaki, Takeru Murao 2016-06-28
9257248 Semiconductor switch and power conversion apparatus Hiroshi Mochikawa, Atsuhiko Kuzumaki, Junichi Tsuda 2016-02-09
8514596 System interconnection inverter with bypass path Junichi Tsuda, Hiroshi Mochikawa 2013-08-20
8472215 Grid-tie inverter for interconnecting AC voltage to electric power grid Junichi Tsuda, Hiroshi Mochikawa 2013-06-25