Mitsuru Ujiie

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat sensitive stencil sheet
- Patent number 6,080,484
- Issue date Jun 27, 2000
- Riso Kagaku Corporation
- Mitsuru Ujiie
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Stencil sheet roll and a method for preparing the same
- Patent number 6,025,066
- Issue date Feb 15, 2000
- Riso Kagaku Corporation
- Hideki Terasawa
- 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
Heat-sensitive stencil master sheet
- Patent number 5,245,932
- Issue date Sep 21, 1993
- Riso Kagaku Corporation
- Mitsuru Ujiie
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS