Tateki Oka

Person

Toyohashi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developing apparatus including an AC voltage applying device
- Patent number 6,266,508
- Issue date Jul 24, 2001
- Minolta Co., Ltd.
- Shuichi Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device having a bias-controlled toner discharging member
- Patent number 5,781,827
- Issue date Jul 14, 1998
- Minolta Co., Ltd.
- Hirokatsu Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,493,324
- Issue date Feb 20, 1996
- Minolta Camera Kabushiki Kaisha
- Hiroshi Goto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fixing device having a temperature control system
- Patent number 5,365,040
- Issue date Nov 15, 1994
- Minolta Co., Ltd.
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image fixing device for image forming apparatus including means for...
- Patent number 5,303,016
- Issue date Apr 12, 1994
- Minolta Camera Kabushiki Kaisha
- Katsunari Oda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electric charge supplying device and system employing the same
- Patent number 5,287,152
- Issue date Feb 15, 1994
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact type charging device having voltage limiter
- Patent number 5,287,146
- Issue date Feb 15, 1994
- Minolta Camera Kabushiki Kaisha
- Koji Uno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a plurality of developing devices
- Patent number 5,283,615
- Issue date Feb 1, 1994
- Minolta Camera Kabushiki Kaisha
- Tomoaki Yokoyama
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Developing bias power unit for use in an image forming apparatus
- Patent number 5,262,828
- Issue date Nov 16, 1993
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a removal means for separating devel...
- Patent number 5,255,062
- Issue date Oct 19, 1993
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device for conveying developer in a developing device
- Patent number 5,243,390
- Issue date Sep 7, 1993
- Minolta Camera Kabushiki Kaisha
- Shinichi Takemoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device with electrically floating developing roller
- Patent number 5,138,385
- Issue date Aug 11, 1992
- Minolta Camera Kabushiki Kaisha
- Naoki Toyoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,134,444
- Issue date Jul 28, 1992
- Minolta Camera Kabushiki Kaisha
- Kenji Tabuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having developing devices which use differe...
- Patent number 5,122,843
- Issue date Jun 16, 1992
- Minolta Camera Kabushiki Kaisha
- Tomoaki Yokoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus
- Patent number 5,065,233
- Issue date Nov 12, 1991
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for forming multi-color images
- Patent number 5,063,127
- Issue date Nov 5, 1991
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device having a space for receiving and increasing press...
- Patent number 5,047,805
- Issue date Sep 10, 1991
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus including a partitioning arrangement for parti...
- Patent number 5,012,285
- Issue date Apr 30, 1991
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus with image quality control
- Patent number 5,003,917
- Issue date Apr 2, 1991
- Minolta Camera Kabushiki Kaisha
- Naoki Toyoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus
- Patent number 4,954,843
- Issue date Sep 4, 1990
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus having a bucket roller with movable buckets
- Patent number 4,928,145
- Issue date May 22, 1990
- Minolta Camera Kabushiki Kaisha
- Hiroshi Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner supply device for use in image forming apparatus
- Patent number 4,924,270
- Issue date May 8, 1990
- Minolta Camera Kabushiki Kaisha
- Mineyuki Sako
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus with variable developing bias voltage
- Patent number 4,912,513
- Issue date Mar 27, 1990
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic copying machine for producing positive prints f...
- Patent number 4,835,569
- Issue date May 30, 1989
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic copying apparatus
- Patent number 4,835,566
- Issue date May 30, 1989
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for the formation of outline images corresponding to the per...
- Patent number 4,828,953
- Issue date May 9, 1989
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic copiers
- Patent number 4,821,071
- Issue date Apr 11, 1989
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for the formation of outline images corresponding to the per...
- Patent number 4,794,062
- Issue date Dec 27, 1988
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for the formation of outline images corresponding to the per...
- Patent number 4,792,775
- Issue date Dec 20, 1988
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic copying method and apparatus
- Patent number 4,785,331
- Issue date Nov 15, 1988
- Minolta Camera Kabushiki Kaisha
- Tateki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Person

Patents Grantslast 30 patents

Developing apparatus including an AC voltage applying device

Developing device having a bias-controlled toner discharging member

Image forming apparatus

Fixing device having a temperature control system

Image fixing device for image forming apparatus including means for...

Electric charge supplying device and system employing the same

Contact type charging device having voltage limiter

Image forming apparatus having a plurality of developing devices

Developing bias power unit for use in an image forming apparatus

Image forming apparatus having a removal means for separating devel...

Device for conveying developer in a developing device

Developing device with electrically floating developing roller

Image forming apparatus

Image forming apparatus having developing devices which use differe...

Color image forming apparatus

Method for forming multi-color images

Developing device having a space for receiving and increasing press...

Developing apparatus including a partitioning arrangement for parti...

Developing apparatus with image quality control

Electrophotographic image forming apparatus

Developing apparatus having a bucket roller with movable buckets

Toner supply device for use in image forming apparatus

Developing apparatus with variable developing bias voltage

Electrophotographic copying machine for producing positive prints f...

Electrophotographic copying apparatus

Method for the formation of outline images corresponding to the per...

Electrophotographic copiers

Method for the formation of outline images corresponding to the per...

Method for the formation of outline images corresponding to the per...

Electrophotographic copying method and apparatus