Tohru Tamura

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Kadoma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dicyanoimidazole compounds usable as colorants for magenta toners,...
- Patent number 5,296,325
- Issue date Mar 22, 1994
- Orient Chemical Industries, Ltd.
- Masahiro Ohtsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dicyanoimidazole compound derivative, and magenta toner, for colore...
- Patent number 5,233,028
- Issue date Aug 3, 1993
- Orient Chemical Industries, Ltd.
- Masahiro Ohtsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY