Tadashi Ishikawa

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Telephone transfer apparatus using a special signal for transfer in...
- Patent number 5,392,339
- Issue date Feb 21, 1995
- Fuji Xerox Co., Ltd.
- Nobukiyo Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Facsimile apparatus providing facsimile transmission with forwardab...
- Patent number 5,289,532
- Issue date Feb 22, 1994
- Fuji Xerox Co., Ltd.
- Tadashi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE