Yasuyuki Tsuji

Person

Hitachinaka, 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
Printing apparatus with movable slitter for printed paper sheet
- Patent number 5,790,168
- Issue date Aug 4, 1998
- Hitachi Koki Company, Ltd.
- Yoshihiko Sano
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Continuous recording medium friction-conveying mechanism in image f...
- Patent number 5,774,777
- Issue date Jun 30, 1998
- Hitachi, Ltd.
- Hidefumi Ohtsuka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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
Image forming apparatus and sheet arranging method for the apparatus
- Patent number 5,561,514
- Issue date Oct 1, 1996
- Hitachi Koki Co., Ltd.
- Yoshihiko Sano
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
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
Recording apparatus for printing both faces of a recording medium u...
- Patent number 5,459,562
- Issue date Oct 17, 1995
- Hitachi, Ltd.
- Teruaki Mitsuya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device having a developer mixing chamber for use in elec...
- Patent number 5,453,820
- Issue date Sep 26, 1995
- Hitachi Koki Co., Ltd.
- Hiroshi Ueno
- 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
Toner density detection method for electrophotographic apparatus
- Patent number 5,359,396
- Issue date Oct 25, 1994
- Hitachi Koki Co., Ltd.
- Yoshio Ogura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for printing on opposite surfaces of a strip of printing...
- Patent number 5,179,417
- Issue date Jan 12, 1993
- Hitachi Koki Co., Ltd.
- Tomio Sugaya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method and apparatus for adjusting posture of sheets
- Patent number 5,039,086
- Issue date Aug 13, 1991
- Hitachi, Ltd.
- Junichi Matsuno
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet registration method and apparatus for calculation of delay ti...
- Patent number 5,018,718
- Issue date May 28, 1991
- Hitachi, Ltd.
- Junichi Matsuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light beam scanning apparatus with controller for varying spacing b...
- Patent number 5,006,705
- Issue date Apr 9, 1991
- Hitachi, Ltd.
- Susumu Saito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Feeder of sheet-like photo-sensitive material
- Patent number 4,926,216
- Issue date May 15, 1990
- Hitachi Koki Company
- Yasushi Hashimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Laser power control for cut-paper printer
- Patent number 4,908,634
- Issue date Mar 13, 1990
- Hitachi, Ltd.
- Akira Arimoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cut paper electrophotographic printers with continuous paper feed m...
- Patent number 4,774,545
- Issue date Sep 27, 1988
- Hitachi Koki Company, Limited
- Yasuyuki Tsuji
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Yasuyuki Tsuji

Person

Patents Grantslast 30 patents

Exposure device of electrophotographic apparatus with optical path...

Printing apparatus with movable slitter for printed paper sheet

Continuous recording medium friction-conveying mechanism in image f...

Electrophotographic printing system including a plurality of electr...

Image forming apparatus and sheet arranging method for the apparatus

Developing device in electrophotographic apparatus including develo...

Developing apparatus having developer regulating member

Recording apparatus for printing both faces of a recording medium u...

Developing device having a developer mixing chamber for use in elec...

Developing device for electrophotograph-type printer

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

Toner density detection method for electrophotographic apparatus

Apparatus for printing on opposite surfaces of a strip of printing...

Method and apparatus for adjusting posture of sheets

Sheet registration method and apparatus for calculation of delay ti...

Light beam scanning apparatus with controller for varying spacing b...

Feeder of sheet-like photo-sensitive material

Laser power control for cut-paper printer

Cut paper electrophotographic printers with continuous paper feed m...