Hirokuni Kawashima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing photoconductive cadmium sulfide
- Patent number 4,415,643
- Issue date Nov 15, 1983
- Canon Kabushiki Kaisha
- Koji Goto
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing cadmium sulfide for electrophotography and pr...
- Patent number 4,382,917
- Issue date May 10, 1983
- Canon Kabushiki Kaisha
- Kiyoshi Suzuki
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Electrophotosensitive element has resin encapsulated CdS particles...
- Patent number 4,335,195
- Issue date Jun 15, 1982
- Canon Kabushiki Kaisha
- Yuji Nishigaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cadmium sulfide for electrophotography
- Patent number 4,316,947
- Issue date Feb 23, 1982
- Canon Kabushiki Kaisha
- Kiyoshi Suzuki
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Electrophotographic photoreceptor
- Patent number 4,264,696
- Issue date Apr 28, 1981
- Kasei Optonix, Ltd.
- Hirokuni Kawashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for preparing raw particles of cadmium sulfide for electrop...
- Patent number 4,197,122
- Issue date Apr 8, 1980
- Canon Kabushiki Kaisha
- Hirokuni Kawashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY