Masaru Tonozuka

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Gunma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image display control device for restricting display of video data...
- Patent number 6,263,500
- Issue date Jul 17, 2001
- Sanyo Electric Co., LTD
- Takeshi Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image display control device for restricting display of video data...
- Patent number 6,137,486
- Issue date Oct 24, 2000
- Sanyo Electric Co., Ltd.
- Takeshi Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Channel display device for receivable channels
- Patent number 5,299,010
- Issue date Mar 29, 1994
- Sanyo Electric Co., Ltd.
- Tsutomu Nakazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE