Isao Niimura

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrostatic image developing toner
- Patent number 5,928,826
- Issue date Jul 27, 1999
- Hodogaya Chemical Co., Ltd.
- Yuuji Matsuura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic image developing toner
- Patent number 5,679,489
- Issue date Oct 21, 1997
- Hodogaya Chemical Co., Ltd.
- Osamu Mukudai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic developing powder
- Patent number 5,164,283
- Issue date Nov 17, 1992
- Hodogaya Chemical Co., Ltd.
- Isao Niimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic toner containing metal complex
- Patent number 4,624,907
- Issue date Nov 25, 1986
- Hodogaya Chemical Co., Ltd.
- Isao Niimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic toner containing a metal complex dye
- Patent number 4,433,040
- Issue date Feb 21, 1984
- Hodogaya Chemical Company, Ltd.
- Isao Niimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY