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Shoichi Ikejima
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Ibaraki-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Stencil plate having independent dot perforations
Patent number
6,679,166
Issue date
Jan 20, 2004
Riso Kagaku Corporation
Jun Nakamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Stencil plate
Patent number
6,659,003
Issue date
Dec 9, 2003
Riso Kagaku Corporation
Jun Nakamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method for producing a stencil plate from a heat sensitive stencil...
Patent number
6,536,338
Issue date
Mar 25, 2003
Riso Kagaku Corporation
Jun Nakamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method for producing a stencil plate
Patent number
6,532,867
Issue date
Mar 18, 2003
Riso Kagaku Corporation
Jun Nakamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Emulsion ink for stencil printing
Patent number
6,117,221
Issue date
Sep 12, 2000
Riso Kagaku Corporation
Satoshi Nagashima
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for producing a heat sensitive stencil sheet
Patent number
5,622,109
Issue date
Apr 22, 1997
Riso Kagaku Corporation
Shoichi Ikejima
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Heat-sensitive stencil sheets and process
Patent number
5,498,464
Issue date
Mar 12, 1996
Riso Kagaku Corporation
Shoichi Ikejima
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Process for producing a thermal stencil master sheet for stencil pr...
Patent number
5,160,564
Issue date
Nov 3, 1992
Riso Kagaku Corporation
Takanori Hasegawa
B32 - LAYERED PRODUCTS
Information
Patent Grant
Apparatus for disposing of a used thermal stencil master sheet and...
Patent number
5,133,919
Issue date
Jul 28, 1992
Riso Kagaku Corporation
Takanori Hasegawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
Method and apparatus for producing a stencil plate from a heat sens...
Publication number
20030061950
Publication date
Apr 3, 2003
Riso Kagaku Corporation
Jun Nakamura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Method and apparatus for producing a stencil plate from a heat sens...
Publication number
20030061949
Publication date
Apr 3, 2003
Riso Kagaku Corporation
Jun Nakamura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Stencil plate and method and apparatus for producing a stencil plate
Publication number
20030033945
Publication date
Feb 20, 2003
Riso Kagaku Corporation
Jun Nakamura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Stencil plate and method and apparatus for producing a stencil plate
Publication number
20030033944
Publication date
Feb 20, 2003
Riso Kagaku Corporation
Jun Nakamura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Method and apparatus for producting a stencil plate from a heat sen...
Publication number
20020045023
Publication date
Apr 18, 2002
Jun Nakamura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Stencil plate and method and apparatus for producing a stencil plate
Publication number
20020037392
Publication date
Mar 28, 2002
Jun Nakamura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS