Yoshiko Gokita

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Chuo-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric porcelain and method for preparation thereof
- Patent number 7,309,450
- Issue date Dec 18, 2007
- TDK Corporation
- Masaru Nanao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric ceramic
- Patent number 6,793,843
- Issue date Sep 21, 2004
- TDK Corporation
- Masahito Furukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric ceramic and piezoelectric device
- Patent number 6,413,443
- Issue date Jul 2, 2002
- TDK Corporation
- Masahito Furukawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Piezoelectric ceramics and piezoelectric device
- Patent number 6,207,069
- Issue date Mar 27, 2001
- TDK Corporation
- Masahito Furukawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Piezoelectric porcelain and method for preparation thereof
- Publication number 20050006618
- Publication date Jan 13, 2005
- Masaru Nanao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Piezoelectric ceramic
- Publication number 20030134738
- Publication date Jul 17, 2003
- Masahito Furukawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES