Youji Hirose

Person

Katsuta, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Exposure device of electrophotographic apparatus with optical path...
- Patent number 5,818,496
- Issue date Oct 6, 1998
- Hitachi Koki Co., Ltd.
- Youji Hirose
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrophotographic apparatus and paper detector thereof and paper...
- Patent number 5,745,817
- Issue date Apr 28, 1998
- Hitachi Koki Co., Ltd.
- Akihiko Yamazaki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Developing unit for electro-photographic apparatus
- Patent number 5,579,091
- Issue date Nov 26, 1996
- Hitachi Koki Co., Ltd.
- Koutarou Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical recorder having a signal separation circuit and a FIFO memo...
- Patent number 5,578,819
- Issue date Nov 26, 1996
- Hitachi Koki Co., Ltd.
- Keiji Kataoka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electrophotographic printing system including a plurality of electr...
- Patent number 5,572,290
- Issue date Nov 5, 1996
- Hitachi Koki Co., Ltd.
- Hiroshi Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device in electrophotographic apparatus including develo...
- Patent number 5,545,840
- Issue date Aug 13, 1996
- Hitachi Koki Co., Ltd.
- Koji Doi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus having developer regulating member
- Patent number 5,516,982
- Issue date May 14, 1996
- Hitachi Koki Co., Ltd.
- Youichi Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic brush with bristle height equal to developing gap
- Patent number 5,430,528
- Issue date Jul 4, 1995
- Hitachi, Ltd.
- Takao Kumasaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for electrophotograph-type printer
- Patent number 5,416,571
- Issue date May 16, 1995
- Hitachi Koki Co., Ltd.
- Koutaro Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical recording apparatus and method for adding information in a...
- Patent number 5,402,409
- Issue date Mar 28, 1995
- Hitachi Koki Co., Ltd.
- Keiji Kataoka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image recording method including determining a gap between a photos...
- Patent number 5,315,353
- Issue date May 24, 1994
- Hitachi, Ltd.
- Yuzuru Simazaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic recording apparatus having a plurality of devel...
- Patent number 5,307,147
- Issue date Apr 26, 1994
- Hitachi, Ltd.
- Takao Kumasaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Youji Hirose

Person

Patents Grantslast 30 patents

Exposure device of electrophotographic apparatus with optical path...

Electrophotographic apparatus and paper detector thereof and paper...

Developing unit for electro-photographic apparatus

Optical recorder having a signal separation circuit and a FIFO memo...

Electrophotographic printing system including a plurality of electr...

Developing device in electrophotographic apparatus including develo...

Developing apparatus having developer regulating member

Magnetic brush with bristle height equal to developing gap

Developing device for electrophotograph-type printer

Optical recording apparatus and method for adding information in a...

Image recording method including determining a gap between a photos...

Electrophotographic recording apparatus having a plurality of devel...