Takuya Maruizumi

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Koganei, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical communication equipment and system
- Patent number 6,529,304
- Issue date Mar 4, 2003
- Hitachi, Ltd.
- Yoshinobu Kimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Detecting method and apparatus of specific substance
- Patent number 5,168,224
- Issue date Dec 1, 1992
- Hitachi, Ltd.
- Takuya Maruizumi
- G01 - MEASURING TESTING