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Fumiaki Arai
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Mishima, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Thermosensitive stencil paper and method of producing the same
Patent number
7,201,938
Issue date
Apr 10, 2007
Ricoh Company, Ltd.
Fumiaki Arai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Heat-sensitive stencil, process of fabricating same and printer usi...
Patent number
6,889,605
Issue date
May 10, 2005
Ricoh Company, Ltd.
Yuji Natori
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Heat-sensitive stencil and method of fabricating same
Patent number
6,403,150
Issue date
Jun 11, 2002
Ricoh Company, Ltd.
Masayuki Ohta
B32 - LAYERED PRODUCTS
Information
Patent Grant
Thermosensitive stencil paper and method of producing the same
Patent number
6,372,332
Issue date
Apr 16, 2002
Ricoh Company, Ltd.
Fumiaki Arai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Heat-sensitive stencil and method of fabricating same
Patent number
6,096,374
Issue date
Aug 1, 2000
Ricoh Company, Ltd.
Masayuki Ohta
B32 - LAYERED PRODUCTS
Information
Patent Grant
Heat-sensitive stencil, process of fabricating same and method of p...
Patent number
6,092,461
Issue date
Jul 25, 2000
Ricoh Company, Ltd.
Tetsuo Tanaka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Heat-sensitive stencil, process of fabricating same and method of p...
Patent number
6,050,183
Issue date
Apr 18, 2000
Ricoh Company, Ltd.
Tetsuo Tanaka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Smooth stencil base sheet, method of producing a printing master fr...
Patent number
5,924,360
Issue date
Jul 20, 1999
Ricoh Company, Ltd.
Hiroshi Adachi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Heat-sensitive stencil and method of fabricating same
Patent number
5,843,560
Issue date
Dec 1, 1998
Ricoh Company, Ltd.
Masayuki Ohta
B32 - LAYERED PRODUCTS
Information
Patent Grant
Printer for wrapping stencil around drum
Patent number
5,813,329
Issue date
Sep 29, 1998
Ricoh Company, Ltd.
Hiroshi Tateishi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thermosensitive stencil paper and the method of producing the same
Patent number
5,707,712
Issue date
Jan 13, 1998
Ricoh Company, Ltd.
Manabu Fujimura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Emulsion ink for use in stencil printing
Patent number
5,378,739
Issue date
Jan 3, 1995
Ricoh Company, Ltd.
Masahiro Koike
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Thermosensitive stencil paper
Patent number
5,219,637
Issue date
Jun 15, 1993
Ricoh Company, Ltd.
Fumiaki Arai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thermosensitive stencil paper
Patent number
5,188,881
Issue date
Feb 23, 1993
Ricoh Company, Ltd.
Shoichi Sugiyama
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thermosensitive stencil paper
Patent number
5,091,257
Issue date
Feb 25, 1992
Ricoh Company, Ltd.
Masayasu Nonogaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thermal direct master
Patent number
4,974,513
Issue date
Dec 4, 1990
Ricoh Company, Ltd.
Shiro Yamane
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thermal stencil paper for mimeograph
Patent number
4,957,808
Issue date
Sep 18, 1990
Ricoh Company, Ltd.
Fumiaki Arai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
Thermosensitive stencil paper and method of producing the same
Publication number
20020102397
Publication date
Aug 1, 2002
Fumiaki Arai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS