Hitoshi Shirasaka

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Conductive roller and inspection method therefor
- Patent number 7,744,515
- Issue date Jun 29, 2010
- Synztec Co., Ltd.
- Makoto Iwamura
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Rubber member for use in electrophotographic apparatus and rubber m...
- Patent number 6,600,003
- Issue date Jul 29, 2003
- Hokushin Corporation
- Hitoshi Shirasaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing amorphous polymer chains in elastomers
- Patent number 6,103,852
- Issue date Aug 15, 2000
- Hokushin Corporation
- Hitoshi Shirasaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing millable polyurethanes and polyurethane elasto...
- Patent number 6,008,312
- Issue date Dec 28, 1999
- Hitoshi Shirasaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Method for producing oil-resistant elastomer and oil-resistant seal...
- Publication number 20060276612
- Publication date Dec 7, 2006
- Hokushin Corporation
- Hitoshi Shirasaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Conductive roller and inspection method therefor
- Publication number 20060142131
- Publication date Jun 29, 2006
- HOKUSHIN CORPORATION
- Makoto Iwamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method for producing oil-resistant elastomer and oil-resistant seal...
- Publication number 20050080217
- Publication date Apr 14, 2005
- Hitoshi Shirasaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Oil-resistant elastomer
- Publication number 20020115813
- Publication date Aug 22, 2002
- Hitoshi Shirasaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Rubber member for use in electrophotographic apparatus and rubber m...
- Publication number 20020037990
- Publication date Mar 28, 2002
- Shirasaka Hitoshi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...