Seikichi Takahashi

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Nakajo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ink jet recording paper with amorphous silica filler
- Patent number 5,013,603
- Issue date May 7, 1991
- Mizusawa Industrial Chemicals, Ltd.
- Masahide Ogawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Filler for ink jet recording paper
- Patent number 4,915,923
- Issue date Apr 10, 1990
- Mizusawa Industrial Chemicals, Ltd.
- Masahide Ogawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Heat-sensitive recording paper and filler therefor
- Patent number 4,544,604
- Issue date Oct 1, 1985
- Mizusawa Industrial Chemicals, Ltd.
- Koichi Usui
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Heat-sensitive recording paper and filler therefor
- Patent number 4,509,064
- Issue date Apr 2, 1985
- Mizusawa Industrial Chemicals, Ltd.
- Koichi Usui
- C01 - INORGANIC CHEMISTRY