Junji Hayakawa

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Takatsuki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Illuminating device
- Patent number 4,733,332
- Issue date Mar 22, 1988
- Agency of Industrial Science and Technology
- Hiroshi Yamashita
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Branch structures for rod-type optical transmission lines
- Patent number 4,673,243
- Issue date Jun 16, 1987
- Director-General of Agency of Industrial Science & Technology
- Hiroshi Yamashita
- G02 - OPTICS