Yoshitatsu Okiyama

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toner cartridge
- Patent number RE40711
- Issue date May 12, 2009
- Oki Data Corporation
- Yoshitatsu Okiyama
- 399 - Electrophotography
Information Patent Grant
Developing device having means to remove developer from a developer...
- Patent number 6,711,371
- Issue date Mar 23, 2004
- Oki Data Corporation
- Tetsu Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge
- Patent number 6,324,371
- Issue date Nov 27, 2001
- Oki Data Corporation
- Yoshitatsu Okiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus having a controller for setting print...
- Patent number 6,112,037
- Issue date Aug 29, 2000
- Oki Data Corporation
- Masato Nagata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Medium transporting apparatus having attraction member
- Patent number 6,026,270
- Issue date Feb 15, 2000
- Oki Data Corporation
- Yoshitatsu Okiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a plurality of image forming station...
- Patent number 6,023,594
- Issue date Feb 8, 2000
- Oki Data Corporation
- Yoshitatsu Okiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Belt unit
- Patent number 5,991,575
- Issue date Nov 23, 1999
- Oki Data Corporation
- Yoshitatsu Okiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image recording apparatus having a neutralizing device
- Patent number 5,983,041
- Issue date Nov 9, 1999
- Oki Data Corporation
- Noboru Otaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus having a printing mechanism selective...
- Patent number 5,983,042
- Issue date Nov 9, 1999
- Oki Data Corporation
- Masato Nagata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for forming an electrostatic latent image with...
- Patent number 5,943,533
- Issue date Aug 24, 1999
- Oki Data Corporation
- Syuichiro Ogata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for forming an electrostatic latent image with...
- Patent number 5,765,076
- Issue date Jun 9, 1998
- Oki Data Corporation
- Syuichiro Ogata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic recording apparatus having reverse-charged tone...
- Patent number 5,740,493
- Issue date Apr 14, 1998
- Oki Data Corporation
- Noboru Otaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Developing device
- Publication number 20020159796
- Publication date Oct 31, 2002
- Tetsu Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yoshitatsu Okiyama

Person

Patents Grantslast 30 patents

Toner cartridge

Developing device having means to remove developer from a developer...

Toner cartridge

Color image forming apparatus having a controller for setting print...

Medium transporting apparatus having attraction member

Image forming apparatus having a plurality of image forming station...

Belt unit

Image recording apparatus having a neutralizing device

Color image forming apparatus having a printing mechanism selective...

Method and apparatus for forming an electrostatic latent image with...

Method and apparatus for forming an electrostatic latent image with...

Electrophotographic recording apparatus having reverse-charged tone...

Patents Applicationslast 30 patents

Developing device