Naoki Hagiwara

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Kanagawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Video signal processing circuit, viewfinder apparatus, television c...
- Patent number 7,113,211
- Issue date Sep 26, 2006
- Alps Electric Co., Ltd.
- Kenichi Seino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image display apparatus for fixing luminance of blank area and vary...
- Patent number 7,002,605
- Issue date Feb 21, 2006
- Alps Electric Co., Ltd.
- Tomoyasu Katsuyama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Image display apparatus suited to viewfinder
- Patent number 6,515,643
- Issue date Feb 4, 2003
- Alps Electric Co., Ltd.
- Mitsuo Kamiko
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Video display apparatus capable of displaying video signals of a pl...
- Patent number 6,384,867
- Issue date May 7, 2002
- Alps Electric Co., Ltd.
- Kenichi Seino
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS