Hiroyuki Sunagawa

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Ami-machi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image forming system
- Patent number 7,389,433
- Issue date Jun 17, 2008
- Riso Kagaku Corporation
- Hiroyuki Sunagawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing machine for booklet-like medium
- Patent number 6,632,034
- Issue date Oct 14, 2003
- Riso Kagaku Corporation
- Hiroyuki Ikeda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Stencil printer
- Patent number 6,112,655
- Issue date Sep 5, 2000
- Riso Kagaku Corporation
- Masao Suzuki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Stencil printer having printing paper feed control structure
- Patent number 5,979,311
- Issue date Nov 9, 1999
- Riso Kagaku Corporation
- Osamu Kakurai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
CONTAINER WITH AN OPENING PROVIDED WITH A RECORDING MEDIUM
- Publication number 20090243857
- Publication date Oct 1, 2009
- Riso Kagaku Corporation
- Hiroyuki SUNAGAWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Image forming system
- Publication number 20060027110
- Publication date Feb 9, 2006
- Hiroyuki Sunagawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Printing machine for booklet-like medium
- Publication number 20020122684
- Publication date Sep 5, 2002
- Hiroyuki Ikeda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS