Shigeo Koyama

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ink jet printing apparatus
- Patent number 5,668,581
- Issue date Sep 16, 1997
- Mita Industrial Co., Ltd.
- Kikunosuke Tsuji
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 5,521,681
- Issue date May 28, 1996
- Mita Industrial Co., Ltd.
- Eiji Nimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image-forming machine with improved developer agitating means, deve...
- Patent number 5,202,728
- Issue date Apr 13, 1993
- Mita Industrial Co., Ltd.
- Masanobu Maeshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image-forming machine with improved process and optional unit assem...
- Patent number 5,111,244
- Issue date May 5, 1992
- Mita Industrial Co., Ltd.
- Shigeo Koyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image-forming machine
- Patent number 5,056,768
- Issue date Oct 15, 1991
- Mita Industrial Company Limited
- Shigeo Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image-forming machine
- Patent number 5,028,966
- Issue date Jul 2, 1991
- Mita Industrial Co., Ltd.
- Nobuhiko Kozuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image-forming machine
- Patent number 4,968,016
- Issue date Nov 6, 1990
- Mita Industrial Co., Ltd.
- Shigeo Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drum unit exchange time indicating device for image forming apparatus
- Patent number 4,751,484
- Issue date Jun 14, 1988
- Mita Industrial Co., Ltd.
- Hideki Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic photographic copying machine provided with a movable...
- Patent number 4,640,604
- Issue date Feb 3, 1987
- Mita Industrial Co., Ltd.
- Nobuhiko Kozuka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Shell-type electrostatic copying apparatus
- Patent number 4,585,324
- Issue date Apr 29, 1986
- Mita Industrial Co., Ltd.
- Shigeo Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Variable magnification electrostatic copying apparatus
- Patent number 4,582,418
- Issue date Apr 15, 1986
- Mita Industrial Co., Ltd.
- Nobuhiko Kozuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Paper supply system of copying machine
- Patent number 4,569,586
- Issue date Feb 11, 1986
- Mita Industrial Co., Ltd.
- Shigeo Koyama
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Copying paper conveying device in electrostatic copying apparatus
- Patent number 4,548,394
- Issue date Oct 22, 1985
- Mita Industrial Co., Ltd.
- Shigeo Koyama
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Toner replenishing device for an electrostatic copying apparatus
- Patent number 4,477,173
- Issue date Oct 16, 1984
- Mita Industrial Company Limited
- Nobuhiko Kozuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for use on an electrostatic copying apparatus
- Patent number 4,468,111
- Issue date Aug 28, 1984
- Mita Industrial Company Limited
- Ryutaro Yamagata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying apparatus equipped with an original-support device, and an...
- Patent number 4,452,530
- Issue date Jun 5, 1984
- Mita Industrial Co., Ltd.
- Shigeo Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying apparatus equipped with an original-support device, and an...
- Patent number 4,444,494
- Issue date Apr 24, 1984
- Mita Industrial Co., Ltd.
- Shigeo Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device for use on an electrostatic copying apparatus
- Patent number 4,436,412
- Issue date Mar 13, 1984
- Mita Industrial Company Limited
- Ryutaro Yamagata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for developing latent electrostatic image
- Patent number 4,410,259
- Issue date Oct 18, 1983
- Mita Industrial Co., Ltd.
- Ryutaro Yamagata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive drum for electrostatic copying apparatus
- Patent number 4,400,077
- Issue date Aug 23, 1983
- Mita Industrial Company Limited
- Nobuhiko Kozuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying apparatus provided with a cassette-type paper feeding mecha...
- Patent number 4,387,889
- Issue date Jun 14, 1983
- Mita Industrial Co., Ltd.
- Shigeo Koyama
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Electrostatic copying apparatus
- Patent number 4,259,008
- Issue date Mar 31, 1981
- Mita Industrial Company, Ltd.
- Ryutaro Yamagata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Shigeo Koyama

Person

Patents Grantslast 30 patents

Ink jet printing apparatus

Image forming apparatus

Image-forming machine with improved developer agitating means, deve...

Image-forming machine with improved process and optional unit assem...

Image-forming machine

Image-forming machine

Image-forming machine

Drum unit exchange time indicating device for image forming apparatus

Electrostatic photographic copying machine provided with a movable...

Shell-type electrostatic copying apparatus

Variable magnification electrostatic copying apparatus

Paper supply system of copying machine

Copying paper conveying device in electrostatic copying apparatus

Toner replenishing device for an electrostatic copying apparatus

Developing device for use on an electrostatic copying apparatus

Copying apparatus equipped with an original-support device, and an...

Copying apparatus equipped with an original-support device, and an...

Cleaning device for use on an electrostatic copying apparatus

Apparatus for developing latent electrostatic image

Photosensitive drum for electrostatic copying apparatus

Copying apparatus provided with a cassette-type paper feeding mecha...

Electrostatic copying apparatus