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Ushiku, JP
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last 30 patents
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Patent Grant
Rotary stencil printer with a firming fold application means
Patent number
5,673,619
Issue date
Oct 7, 1997
Riso Kagaku Corporation
Yoshiharu Ohinata
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Stencil printer having a construction for preventing ink leakage
Patent number
5,671,670
Issue date
Sep 30, 1997
Riso Kagaku Corporation
Yasuhiro Takahashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Process for perforating stencil printing sheet
Patent number
5,617,787
Issue date
Apr 8, 1997
Riso Kagaku Corporation
Nagon Takita
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Printing drum of rotary stencil printer having a predetermined allo...
Patent number
5,579,689
Issue date
Dec 3, 1996
Riso Kagaku Corporation
Yoshihara Ohinata
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Printing drum of rotary stencil printer having flexible perforated...
Patent number
5,555,802
Issue date
Sep 17, 1996
Riso Kagaku Corporation
Yoshiharu Ohinata
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Mimeographic transfer printing machine
Patent number
5,373,785
Issue date
Dec 20, 1994
Riso Kagaku Corporation
Yasuo Yamamoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Mimeographic printing apparatus and clamping device therefor
Patent number
5,035,175
Issue date
Jul 30, 1991
Riso Kagaku Corporation
Nagon Takita
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS