Takeki Kofuji

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Three dimensional display
- Patent number 6,252,624
- Issue date Jun 26, 2001
- Idemitsu Kosan Co., Ltd.
- Kimihiro Yuasa
- G02 - OPTICS
Information Patent Grant
Image display device having a planarized array of reduced surface r...
- Patent number 6,137,459
- Issue date Oct 24, 2000
- Idemitsu Kosan Co., Ltd.
- Mitsuru Eida
- H01 - BASIC ELECTRIC ELEMENTS