Ryo Yasoshima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vertical stamp pad
- Patent number 7,513,950
- Issue date Apr 7, 2009
- Tsukineko Co., Ltd.
- Ryo Yasoshima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Expandable stamp pad
- Patent number 5,865,892
- Issue date Feb 2, 1999
- Tsukineko, Inc.
- Ryo Yasoshima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of stamping expandable stamp pad
- Patent number 5,653,804
- Issue date Aug 5, 1997
- Tsukineko, Inc.
- Ryo Yasoshima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multicolor stamp pad
- Patent number 5,601,644
- Issue date Feb 11, 1997
- Tsukineko, Inc.
- Ryo Yasoshima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Vertical stamp pad
- Publication number 20070144429
- Publication date Jun 28, 2007
- Ryo Yasoshima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS