Hiroshi Iwasaki

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Takatsuki, JA

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing triarylmethane derivatives
- Patent number 4,045,458
- Issue date Aug 30, 1977
- Kanzaki Paper Manufacturing Co., Ltd.
- Mitsura Kondo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing microcapsules
- Patent number 4,010,038
- Issue date Mar 1, 1977
- Kanzaki Paper Manufacturing Co., Ltd.
- Hiroshi Iwasaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Chromogenic compounds and method for preparation thereof
- Patent number 3,970,671
- Issue date Jul 20, 1976
- Kanzaki Paper Manufacturing Co., Ltd.
- Mitsuru Kondo
- C07 - ORGANIC CHEMISTRY