Takahiko Asaoka

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrolyte for electrochromic elements
- Patent number 5,215,684
- Issue date Jun 1, 1993
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Katsuaki Okabayashi
- G02 - OPTICS
Information Patent Grant
Electrochromic element
- Patent number 5,097,358
- Issue date Mar 17, 1992
- Toyoda Gosei Co., Ltd.
- Toshiyasu Ito
- G02 - OPTICS