Haruo Koyama

Person

Yawata, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image-forming machine fixing device with a nipping region having a...
- Patent number 7,860,444
- Issue date Dec 28, 2010
- Kyocera Mita Corporation
- Hiroshi Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with shield member
- Patent number 7,787,801
- Issue date Aug 31, 2010
- Kyocera Mita Corporation
- Haruo Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image-forming machine fixing device with a nipping region having a...
- Patent number 7,466,952
- Issue date Dec 16, 2008
- Kyocera Mita Corporation
- Hiroshi Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for measuring the toner concentration and the...
- Patent number 5,834,634
- Issue date Nov 10, 1998
- Mita Industrial Co., Ltd.
- Koji Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic image recording machine capable of multiple gradations
- Patent number 5,150,156
- Issue date Sep 22, 1992
- Mita Industrial Co., Ltd.
- Haruo Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic copying apparatus
- Patent number 4,607,942
- Issue date Aug 26, 1986
- Mita Industrial Co., Ltd.
- Haruo Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heat-sensitive black recording material
- Patent number 4,502,067
- Issue date Feb 26, 1985
- Mita Industrial Company Limited
- Masanori Matsuda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heat-sensitive black recording element
- Patent number 4,500,897
- Issue date Feb 19, 1985
- Mita Industrial Co., Ltd.
- Masanori Matsuda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dry magnetic developer containing a non-pulverizing agglumerate of...
- Patent number 4,416,964
- Issue date Nov 22, 1983
- Mita Industrial Co., Ltd.
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
One component magnetic developer
- Patent number 4,407,923
- Issue date Oct 4, 1983
- Mita Industrial Co., Ltd.
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Fixing device
- Publication number 20090129834
- Publication date May 21, 2009
- Hiroshi Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20080267659
- Publication date Oct 30, 2008
- KYOCERA MITA CORPORATION
- Haruo KOYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device
- Publication number 20070025784
- Publication date Feb 1, 2007
- KYOCERA MITA CORPORATION
- Hiroshi Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Haruo Koyama

Person

Patents Grantslast 30 patents

Image-forming machine fixing device with a nipping region having a...

Image forming apparatus with shield member

Image-forming machine fixing device with a nipping region having a...

Method and apparatus for measuring the toner concentration and the...

Electrostatic image recording machine capable of multiple gradations

Electrostatic copying apparatus

Heat-sensitive black recording material

Heat-sensitive black recording element

Dry magnetic developer containing a non-pulverizing agglumerate of...

One component magnetic developer

Patents Applicationslast 30 patents

Fixing device

Image forming apparatus

Fixing device