Katsunori Hiroishi

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Patents Grantslast 30 patents

Information Patent Grant
Thermal transfer recording medium, method of recording same, record...
- Patent number 7,081,284
- Issue date Jul 25, 2006
- Ricoh Company, Ltd.
- Katsunori Hiroishi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Thermal transfer recording medium
- Patent number 6,787,203
- Issue date Sep 7, 2004
- Ricoh Company Limited
- Katsunori Hiroishi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Thermosensitive recording material
- Patent number 5,482,911
- Issue date Jan 9, 1996
- Ricoh Company, Ltd.
- Katsunori Hiroishi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Thermal transfer recording medium
- Publication number 20030054144
- Publication date Mar 20, 2003
- Katsunori Hiroishi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS