Ryuichi Tanaka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multilayer chip varistor
- Patent number 8,143,992
- Issue date Mar 27, 2012
- TDK Corporation
- Hiroyuki Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Aggregate substrate, production method of aggregate substrate, and...
- Patent number 8,125,307
- Issue date Feb 28, 2012
- TDK Corporation
- Hiroyuki Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Varistor
- Patent number 7,994,894
- Issue date Aug 9, 2011
- TDK Corporation
- Hiroyuki Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Varistor and light emitting device
- Patent number 7,932,806
- Issue date Apr 26, 2011
- TDK Corporation
- Hiroyuki Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Varistor
- Patent number 7,932,807
- Issue date Apr 26, 2011
- TDK Corporation
- Hiroyuki Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multilayer chip varistor and electronic component
- Patent number 7,911,317
- Issue date Mar 22, 2011
- TDK Corporation
- Ryuichi Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor electronic part
- Patent number 6,385,034
- Issue date May 7, 2002
- TDK Corporation
- Ryuichi Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laminate type varistor
- Patent number 6,346,871
- Issue date Feb 12, 2002
- TDK Corporation
- Tadashi Ogasawara
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
VARISTOR
- Publication number 20100117782
- Publication date May 13, 2010
- TDK Corporation
- Hiroyuki Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTILAYER CHIP VARISTOR AND ELECTRONIC COMPONENT
- Publication number 20100066479
- Publication date Mar 18, 2010
- TDK Corporation
- Ryuichi TANAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTILAYER CHIP VARISTOR
- Publication number 20100052841
- Publication date Mar 4, 2010
- TDK Corporation
- Hiroyuki SATO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VARISTOR
- Publication number 20090243768
- Publication date Oct 1, 2009
- TDK Corporation
- Hiroyuki Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AGGREGATE SUBSTRATE, PRODUCTION METHOD OF AGGREGATE SUBSTRATE, AND...
- Publication number 20090189732
- Publication date Jul 30, 2009
- TDK Corporation
- Hiroyuki SATO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VARISTOR AND LIGHT EMITTING DEVICE
- Publication number 20080238604
- Publication date Oct 2, 2008
- TDK Corporation
- Hiroyuki SATO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor electronic part
- Publication number 20010002873
- Publication date Jun 7, 2001
- Ryuichi Tanaka
- H01 - BASIC ELECTRIC ELEMENTS