Mayumi Miyao

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wet-type electrophotographic image formation method
- Patent number 5,642,188
- Issue date Jun 24, 1997
- Ricoh Company, Ltd.
- Manabu Mochizuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wet-type image formation apparatus
- Patent number 5,463,453
- Issue date Oct 31, 1995
- Ricoh Company, Ltd.
- Tsuneo Kurotori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid developer for latent electrostatic images
- Patent number 5,384,225
- Issue date Jan 24, 1995
- Ricoh Company, Ltd.
- Tsuneo Kurotori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic copier with a developing device using a liquid...
- Patent number 5,359,398
- Issue date Oct 25, 1994
- Ricoh Company, Ltd.
- Katsuhiro Echigo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for decomposing ozone by using a solvent mist
- Patent number 5,155,531
- Issue date Oct 13, 1992
- Ricoh Company, Ltd.
- Tsuneo Kurotori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wet-type image formation apparatus
- Patent number 5,021,834
- Issue date Jun 4, 1991
- Ricoh Company, Ltd.
- Ichirio Tsuruoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY