Ryoji Yashiro

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Yamanashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fluorene compound and organic luminescent device using the same
- Patent number 7,241,513
- Issue date Jul 10, 2007
- Canon Kabushiki Kaisha
- Koichi Suzuki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photosensitive member for electrophotography
- Patent number 5,262,261
- Issue date Nov 16, 1993
- Canon Kabushiki Kaisha
- Toshihiro Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member containing a substituted...
- Patent number 5,098,809
- Issue date Mar 24, 1992
- Canon Kabushiki Kaisha
- Toshihiro Kikuchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photosensitive member for electrophotography with substituted pyrene
- Patent number 5,079,118
- Issue date Jan 7, 1992
- Canon Kabushiki Kaisha
- Toshihiro Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive member for electrophotography
- Patent number 5,049,464
- Issue date Sep 17, 1991
- Canon Kabushiki Kaisha
- Tetsuro Kanemaru
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Fluorene compound and organic lumnescent device using the same
- Publication number 20040253389
- Publication date Dec 16, 2004
- Koichi Suzuki
- C07 - ORGANIC CHEMISTRY