Tetsuyuki Toyama

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Gamagohri, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multiple-seal-faced stamp of liquid-exuding type
- Patent number 6,840,172
- Issue date Jan 11, 2005
- Yamahachi Kemikaru Kabushiki Kaisha
- Tetsuyuki Toyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Roller stamp of ink-exuding type and method for making the same
- Patent number 6,659,001
- Issue date Dec 9, 2003
- Yamahachi Kemikaru Kabushiki Kaisha
- Tetsuyuki Toyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS