Jun Maruyama

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Reversible thermosensitive recording medium and reversible thermose...
- Patent number 8,592,341
- Issue date Nov 26, 2013
- Ricoh Company, Ltd.
- Yu Tsuchimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermoreversible recording medium, and thermoreversible recording m...
- Patent number 8,530,377
- Issue date Sep 10, 2013
- Ricoh Company, Ltd.
- Yu Tsuchimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heat resistance improver and reversible thermosensitive recording m...
- Patent number 8,324,399
- Issue date Dec 4, 2012
- Ricoh Company, Ltd.
- Mitsunobu Morita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reversible thermosensitive recording material, IC card, magnetic ca...
- Patent number 8,148,299
- Issue date Apr 3, 2012
- Ricoh Company, Ltd.
- Jun Maruyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Reversible thermosensitive recording medium, reversible thermosensi...
- Patent number 8,088,712
- Issue date Jan 3, 2012
- Ricoh Company, Ltd.
- Hitoshi Shimbo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
REVERSIBLE THERMOSENSITIVE RECORDING MEDIUM AND REVERSIBLE THERMOSE...
- Publication number 20120238446
- Publication date Sep 20, 2012
- RICOH COMPANY, LTD.
- Yu TSUCHIMURA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
THERMOREVERSIBLE RECORDING MEDIUM, AND THERMOREVERSIBLE RECORDING M...
- Publication number 20110130280
- Publication date Jun 2, 2011
- RICOH COMPANY, LTD.
- Yu TSUCHIMURA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
HEAT RESISTANCE IMPROVER AND REVERSIBLE THERMOSENSITIVE RECORDING M...
- Publication number 20090239747
- Publication date Sep 24, 2009
- RICOH COMPANY, LTD.
- Mitsunobu MORITA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
REVERSIBLE THERMOSENSITIVE RECORDING MEDIUM, REVERSIBLE THERMOSENSI...
- Publication number 20090048106
- Publication date Feb 19, 2009
- RICOH COMPANY, LTD.
- Hitoshi Shimbo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
REVERSIBLE THERMOSENSITIVE RECORDING MATERIAL, IC CARD, MAGNETIC CA...
- Publication number 20090029854
- Publication date Jan 29, 2009
- RICOH COMPANY, LTD.
- Jun Maruyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS