KY

Kyohei Yamada

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
📍 Toyohashi, JP: #267 of 1,141 inventorsTop 25%
Overall (All Time): #973,666 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10693387 Transformer Hideaki Nakahata, Kenichi Hirotsu, Nobuo Shiga, Takashi Ohira, Daiya Egashira 2020-06-23
10320305 Transformer Kenichi Hirotsu, Nobuo Shiga, Hideaki Nakahata, Takashi Ohira 2019-06-11
10122288 Transformer composed of a front stage circuit and a rear stage circuit Hideaki Nakahata, Kenichi Hirotsu, Takashi Ohira, Daiya Egashira 2018-11-06
10116197 Transformer without magnetic coupling, electromagnetic induction or mutual inductance Hideaki Nakahata, Satoshi Hatsukawa, Kenichi Hirotsu, Takashi Ohira, Daiya Egashira 2018-10-30
9712069 Distributed-constant type transformer for voltage conversion Hideaki Nakahata, Nobuo Shiga, Kenichi Hirotsu, Takashi Ohira 2017-07-18