Yoshitaka Goto

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Patents Grantslast 30 patents

Information Patent Grant
Image forming material, method of preparing the same and image form...
- Patent number 5,693,447
- Issue date Dec 2, 1997
- Konica Corporation
- Toshihisa Takeyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming material, method of preparing the same and image form...
- Patent number 5,691,103
- Issue date Nov 25, 1997
- Konica Corporation
- Toshihisa Takeyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS