Isao Matsuoka

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Artificial marble
- Patent number 4,871,596
- Issue date Oct 3, 1989
- Aica Kogyo Co., Ltd.
- Takashi Kamiya
- B44 - DECORATIVE ARTS
Information Patent Grant
Ultrasonic humidifier
- Patent number 4,238,425
- Issue date Dec 9, 1980
- NGK Spark Plug Co., Ltd.
- Isao Matsuoka
- F24 - HEATING RANGES VENTILATING