Inventor
YAMADA KYOHEI
JP5 patents
Patents
5 patentsUS10693387B2Jun 23, 2020
Transformer
SUMITOMO ELECTRIC INDUSTRIES9 citations81
US9712069B2Jul 18, 2017
Distributed-constant type transformer for voltage conversion
SUMITOMO ELECTRIC INDUSTRIES0 citations51
US10320305B2Jun 11, 2019
Transformer
SUMITOMO ELECTRIC INDUSTRIES0 citations40
US10116197B2Oct 30, 2018
Transformer without magnetic coupling, electromagnetic induction or mutual inductance
SUMITOMO ELECTRIC INDUSTRIES0 citations39
US10122288B2Nov 6, 2018
Transformer composed of a front stage circuit and a rear stage circuit
SUMITOMO ELECTRIC INDUSTRIES0 citations38