Masakatsu Sugai

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of molding chalcogenide glass lenses
- Patent number 5,346,523
- Issue date Sep 13, 1994
- Matsushita Electric Industrial Co., Ltd.
- Masakatsu Sugai
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Infrared-transmissive lens and human body detecting sensor using th...
- Patent number 5,315,434
- Issue date May 24, 1994
- Matsushita Electric Industrial Co., Ltd.
- Yasuo Mizuno
- G08 - SIGNALLING