Yoshiaki Tada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Monochromatic-light reproduction type hologram, and method and appa...
- Patent number 5,486,933
- Issue date Jan 23, 1996
- Toppan Printing Co., Ltd.
- Naoaki Shindo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Intermediate transfer medium and process for producing image-record...
- Patent number 5,344,808
- Issue date Sep 6, 1994
- Toppan Printing Co., Ltd.
- Niro Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS