Keisuke KAWAHARA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pulse transformer
- Patent number 11,133,130
- Issue date Sep 28, 2021
- TDK CORPORATION
- Keisuke Kawahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transformer
- Patent number 8,975,993
- Issue date Mar 10, 2015
- TDK Corporation
- Toshio Tomonari
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
PULSE TRANSFORMER
- Publication number 20180374632
- Publication date Dec 27, 2018
- TDK Corporation
- Keisuke KAWAHARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSFORMER
- Publication number 20120133469
- Publication date May 31, 2012
- TDK Corporation
- Toshio TOMONARI
- H01 - BASIC ELECTRIC ELEMENTS