Kunihiko Hada

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Sunto-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat-sensitive recording material
- Patent number 7,989,389
- Issue date Aug 2, 2011
- Ricoh Company, Ltd.
- Kunihiko Hada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heat-sensitive recording material
- Patent number 7,419,935
- Issue date Sep 2, 2008
- Ricoh Company, Ltd.
- Yasuhiro Kadota
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording medium
- Patent number 5,703,006
- Issue date Dec 30, 1997
- Ricoh Company, Ltd.
- Yasutomo Mori
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording material and production process thereof
- Patent number 5,646,088
- Issue date Jul 8, 1997
- Ricoh Co., Ltd.
- Kunihiko Hada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal printing material for providing improved image reliabilities
- Patent number 5,536,697
- Issue date Jul 16, 1996
- Ricoh Company, Ltd.
- Kunihiko Hada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording material
- Patent number 5,409,881
- Issue date Apr 25, 1995
- Ricoh Company, Ltd.
- Yasutomo Mori
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
HEAT-SENSITIVE RECORDING MATERIAL
- Publication number 20090176647
- Publication date Jul 9, 2009
- Kunihiko HADA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Heat-sensitive recording material
- Publication number 20060205593
- Publication date Sep 14, 2006
- Ricoh Company, Ltd.
- Yasuhiro Kadota
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS