TETSUKAZU OKAMOTO

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SHIGA-KEN, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor ceramic, semiconductor ceramic element and circuit pr...
- Patent number 6,455,454
- Issue date Sep 24, 2002
- Murata Manufacturing Co. Ltd.
- Yasuhiro Nabika
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Semiconductor ceramic and semiconductor ceramic device
- Patent number 6,432,558
- Issue date Aug 13, 2002
- Murata Manufacturing Co. Ltd.
- Yasuhiro Nabika
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor ceramic and device using the same
- Patent number 6,362,521
- Issue date Mar 26, 2002
- Murata Manufacturing Co., Ltd.
- Yasuhiro Nabika
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Composite material for positive temperature coefficient thermistor,...
- Patent number 6,346,496
- Issue date Feb 12, 2002
- Murata Manufacturing Co., Ltd.
- Yasuhiro Nabika
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITE MATERIAL FOR POSITIVE TEMPERATURE COEFFICIENT THERMISTOR,...
- Publication number 20010008867
- Publication date Jul 19, 2001
- YASUHIRO NABIKA
- H01 - BASIC ELECTRIC ELEMENTS