Takayuki Sato

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Telephone message recording device
- Patent number 5,187,734
- Issue date Feb 16, 1993
- Pioneer Electronic Corporation
- Tokihiro Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnetic recording/reproducing apparatus for magnetically reproduci...
- Patent number 4,887,170
- Issue date Dec 12, 1989
- Pioneer Electronic Corporation
- Masami Tsuchida
- G11 - INFORMATION STORAGE