Yuji Marukawa

Person

Hachioji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Two component type developer for electrostatic latent image
- Patent number 6,090,517
- Issue date Jul 18, 2000
- Konica Corporation
- Kishio Tamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and developers for developing static latent image
- Patent number 6,010,813
- Issue date Jan 4, 2000
- Konica Corporation
- Kensuke Endo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic toner with specific high, medium, and low molec...
- Patent number 5,738,964
- Issue date Apr 14, 1998
- Konica Corporation
- Tsuyoshi Uchida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner used for developing an electrostatic charge image
- Patent number 5,679,491
- Issue date Oct 21, 1997
- Konica Corporation
- Tomomi Oshiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer for electrophotography
- Patent number 5,637,431
- Issue date Jun 10, 1997
- Konica Corporation
- Kenji Yamane
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image-forming method
- Patent number 5,604,574
- Issue date Feb 18, 1997
- Konica Corporation
- Katsumi Matsuura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoreceptor having amorphous silicon layers
- Patent number 4,673,629
- Issue date Jun 16, 1987
- Konishiroku Photo Industry Co., Ltd.
- Toshinori Yamazaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yuji Marukawa

Person

Patents Grantslast 30 patents

Two component type developer for electrostatic latent image

Toner and developers for developing static latent image

Electrophotographic toner with specific high, medium, and low molec...

Toner used for developing an electrostatic charge image

Developer for electrophotography

Electrophotographic image-forming method

Photoreceptor having amorphous silicon layers