Noboru Hayama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Stencil printing with no back contamination
- Patent number 5,243,904
- Issue date Sep 14, 1993
- Riso Kagaku Corporation
- Noboru Hayama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Rotary stencil printer with printing drum of net cylindrical body r...
- Patent number 5,060,567
- Issue date Oct 29, 1991
- Riso Kagaku Corporation
- Noboru Hayama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal stencil sheet assembly with stencil sheet temporarily detac...
- Patent number 5,054,391
- Issue date Oct 8, 1991
- Riso Kagaku Corporation
- Toshio Tanaka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Rotary stencil printer having printing drum having outer peripheral...
- Patent number 4,911,069
- Issue date Mar 27, 1990
- Riso Kagaku Corporation
- Noboru Hayama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Exposure device for a thermal stencil sheet
- Patent number 4,139,759
- Issue date Feb 13, 1979
- Riso Kagaku Corporation
- Noboru Hayama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Stencil paper assembly
- Patent number 4,128,057
- Issue date Dec 5, 1978
- Riso Kagaku Corporation
- Noboru Hayama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS