Hiroki Totsuka

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Suspension polymerization method and particles obtained therewith
- Patent number 5,717,041
- Issue date Feb 10, 1998
- Tomoegawa Paper Co., Ltd.
- Masafumi Kamiyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Suspension polymerization method
- Patent number 5,608,017
- Issue date Mar 4, 1997
- Tomoegawa Paper Co., Ltd.
- Masafumi Kamiyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Suspension polymerization method and toner for electrophotography o...
- Patent number 5,346,798
- Issue date Sep 13, 1994
- Tomoegawa Paper Co., Ltd.
- Masafumi Kamiyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...