Hiromasa Kawaguchi

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cushioning material for a polishing pad
- Patent number 7,749,599
- Issue date Jul 6, 2010
- NHK Spring Co., Ltd.
- Hiromasa Kawaguchi
- B24 - GRINDING POLISHING
Information Patent Grant
Flexographic printing plate mounting sheet
- Patent number 6,948,429
- Issue date Sep 27, 2005
- NHK Spring Co., Ltd.
- Hiromasa Kawaguchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Cushioning Material for a Polishing Pad
- Publication number 20090011221
- Publication date Jan 8, 2009
- Hiromasa Kawaguchi
- B24 - GRINDING POLISHING
Information Patent Application
Cushioning material for flexographic printing
- Publication number 20050276969
- Publication date Dec 15, 2005
- Takako Ohyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...