Hisao Itoh

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Near infrared absorbers and display/recording materials using the same
- Patent number 5,296,162
- Issue date Mar 22, 1994
- Mitsui Toatsu Chemicals, Incorporated
- Hisao Itoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Near infrared absorbers and display/recording materials using the same
- Patent number 5,124,067
- Issue date Jun 23, 1992
- Mitsui Toatsu Chemicals, Incorporated
- Hisao Itoh
- C07 - ORGANIC CHEMISTRY