Kengo Sugaya

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Ibaraki-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oily inkjet ink
- Patent number 8,292,996
- Issue date Oct 23, 2012
- Riso Kagaku Corporation
- Katsumi Kuriyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Thermal head, surface-treating method therefor and surface-treating...
- Patent number 6,411,319
- Issue date Jun 25, 2002
- Riso Kagaku Corporation
- Kengo Sugaya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for treating the surface of thermal printing heads
- Patent number 6,281,921
- Issue date Aug 28, 2001
- Riso Kagaku Corporation
- Kengo Sugaya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Cylindrical drum assembly including a stencil sheet for use with a...
- Patent number 5,501,146
- Issue date Mar 26, 1996
- Riso Kagaku Corporation
- Tetsu Yamanaka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
OILY INKJET INK
- Publication number 20110226157
- Publication date Sep 22, 2011
- Riso Kagaku Corporation
- Katsumi KURIYAMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermal head, surface-treating method therefor and surface-treating...
- Publication number 20020036686
- Publication date Mar 28, 2002
- Riso Kagaku Corporation
- Kengo Sugaya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS