Naoki Okayama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image displaying device
- Patent number 5,276,471
- Issue date Jan 4, 1994
- Sony Corporation
- Toshiyuki Yamauchi
- G02 - OPTICS
Information Patent Grant
Video camera modular accessory apparatus
- Patent number 5,189,520
- Issue date Feb 23, 1993
- Sony Corporation
- Yoshisada Okayasu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE