Kaori Isaji

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thermal transfer ink ribbons using the same
- Patent number 5,698,490
- Issue date Dec 16, 1997
- Sony Corporation
- Kengo Ito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrophobic cationic dye compounds
- Patent number 5,656,759
- Issue date Aug 12, 1997
- Sony Corporation
- Kengo Ito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sheet capable of releasing a thermal transfer image-receiving layer...
- Patent number 5,589,435
- Issue date Dec 31, 1996
- Sony Corporation
- Kengo Ito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Sheet capable of releasing a thermal transfer image-receiving layer...
- Patent number 5,446,012
- Issue date Aug 29, 1995
- Sony Corporation
- Kengo Ito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS