Hikaru Oike

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Ibaraki-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus
- Patent number 7,581,801
- Issue date Sep 1, 2009
- Riso Kagaku Corporation
- Hikaru Oike
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
System for making heat-sensitive stencil master
- Patent number 6,460,454
- Issue date Oct 8, 2002
- Riso Kagaku Corporation
- Hikaru Oike
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal head, method of manufacturing the same, and thermal stencil...
- Patent number 6,456,312
- Issue date Sep 24, 2002
- Riso Kagaku Corporation
- Hikaru Oike
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heat-sensitive stencil master making apparatus
- Patent number 6,357,348
- Issue date Mar 19, 2002
- Riso Kagaku Corporation
- Jun Nakamura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal head, method of manufacturing the same, and thermal stencil...
- Patent number 6,239,826
- Issue date May 29, 2001
- Riso Kagaku Corporation
- Hikaru Oike

Patents Applicationslast 30 patents

Information Patent Application
Image forming apparatus
- Publication number 20070297823
- Publication date Dec 27, 2007
- Riso Kagaku Corporation
- Hikaru Oike
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Image forming apparatus
- Publication number 20070236528
- Publication date Oct 11, 2007
- Riso Kagaku Corporation
- Hikaru Oike
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS