Akira Sasaki

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Picture image forming apparatus with intermediate transfer belt tra...
- Patent number 6,760,564
- Issue date Jul 6, 2004
- Hitachi, Ltd.
- Shunichi Oohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoconductor unit and image forming system
- Patent number 6,697,586
- Issue date Feb 24, 2004
- Hitachi, Ltd.
- Masashi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming system
- Patent number 6,661,994
- Issue date Dec 9, 2003
- Hitachi, Ltd.
- Yoshio Ohuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,549,731
- Issue date Apr 15, 2003
- Hitachi, Ltd.
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoconductor unit and image forming system
- Patent number 6,501,925
- Issue date Dec 31, 2002
- Hitachi, Ltd.
- Masashi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoconductor unit and image forming system
- Patent number 6,381,428
- Issue date Apr 30, 2002
- Hitachi, Ltd.
- Masashi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus
- Patent number 6,345,160
- Issue date Feb 5, 2002
- Hitachi, Ltd.
- Kazuyoshi Matsuo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus
- Patent number 6,253,039
- Issue date Jun 26, 2001
- Hitachi, Ltd.
- Masahiro Nakano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Information print system and image processing apparatus
- Patent number 6,204,933
- Issue date Mar 20, 2001
- Hitachi, Ltd.
- Eiji Yoshino
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Ion flow recording apparatus and liquid developing method
- Patent number 6,069,641
- Issue date May 30, 2000
- Hitachi, Ltd.
- Junichi Matsuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electro-photographic apparatus having transfer bias control
- Patent number 5,761,568
- Issue date Jun 2, 1998
- Hitachi, Ltd.
- Hideyuki Haragakiuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner transferring device
- Patent number 5,621,504
- Issue date Apr 15, 1997
- Hitachi, Ltd.
- Kazuhiro Wakamatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color printer with transfer and superposition of different color to...
- Patent number 5,602,578
- Issue date Feb 11, 1997
- Hitachi, Ltd.
- Michio Sumiyoshi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrophotographic apparatus and electrophotographic method
- Patent number 5,555,074
- Issue date Sep 10, 1996
- Hitachi, Ltd.
- Hideyuki Haragakiuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color electrophotographic device with developer stirring
- Patent number 5,530,527
- Issue date Jun 25, 1996
- Hitachi, Ltd.
- Nobuaki Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color electrophotographic device with developer stirring
- Patent number 5,434,652
- Issue date Jul 18, 1995
- Hitachi, Ltd.
- Nobuaki Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image electrophotographic apparatus having photosensitive bod...
- Patent number 5,285,221
- Issue date Feb 8, 1994
- Hitachi, Ltd.
- Michio Sumiyoshi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical recording system for controlling recording light quantity b...
- Patent number 5,270,827
- Issue date Dec 14, 1993
- Hitachi, Ltd.
- Shinya Kobayashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Using horizontal and vertical synchronization signals to exclude in...
- Patent number 5,249,060
- Issue date Sep 28, 1993
- Hitachi, Ltd.
- Satoshi Ishikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Recording apparatus using semiconductor laser
- Patent number 5,206,664
- Issue date Apr 27, 1993
- Hitachi, Ltd.
- Akira Sasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Printing apparatus and information processing apparatus using the same
- Patent number 5,151,973
- Issue date Sep 29, 1992
- Hitachi, Ltd.
- Akira Sasaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Thermal printer and invertible ribbon cassette therefor including a...
- Patent number 5,094,555
- Issue date Mar 10, 1992
- Hitachi, Ltd.
- Masafumi Suzaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Processor for detecting the number of bit times in portions of a bi...
- Patent number 4,969,047
- Issue date Nov 6, 1990
- Hitachi, Ltd.
- Akira Sasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Thermal transfer printer having an improved thermal head to improve...
- Patent number 4,840,500
- Issue date Jun 20, 1989
- Hitachi, Ltd.
- Akira Sasaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal head
- Patent number 4,743,923
- Issue date May 10, 1988
- Kyocera Corporation
- Yasuo Nishiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Printer having a thermal head
- Patent number 4,725,853
- Issue date Feb 16, 1988
- Hitachi, Ltd.
- Ryooichi Kobayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal transfer printer
- Patent number 4,723,853
- Issue date Feb 9, 1988
- Hitachi, Ltd.
- Masafumi Suzaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal print head
- Patent number 4,707,708
- Issue date Nov 17, 1987
- Hitachi, Ltd.
- Tomoji Kitagishi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal head
- Patent number 4,672,391
- Issue date Jun 9, 1987
- Hitachi, Ltd.
- Akiyoshi Hakoyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printer having a thermal head
- Patent number 4,652,155
- Issue date Mar 24, 1987
- Hitachi, Ltd.
- Akiyoshi Hakoyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Photoconductor unit and image forming system
- Publication number 20030091368
- Publication date May 15, 2003
- Masashi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Picture image forming apparatus
- Publication number 20030063929
- Publication date Apr 3, 2003
- Shunichi Oohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic image forming system
- Publication number 20020176726
- Publication date Nov 28, 2002
- Yoshio Ohuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Photoconductor unit and image forming system
- Publication number 20020094213
- Publication date Jul 18, 2002
- Masashi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic image forming system
- Publication number 20020025201
- Publication date Feb 28, 2002
- Yoshio Ohuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Akira Sasaki

Person

Patents Grantslast 30 patents

Picture image forming apparatus with intermediate transfer belt tra...

Photoconductor unit and image forming system

Electrophotographic image forming system

Image forming apparatus

Photoconductor unit and image forming system

Photoconductor unit and image forming system

Electrophotographic image forming apparatus

Color image forming apparatus

Information print system and image processing apparatus

Ion flow recording apparatus and liquid developing method

Electro-photographic apparatus having transfer bias control

Toner transferring device

Color printer with transfer and superposition of different color to...

Electrophotographic apparatus and electrophotographic method

Color electrophotographic device with developer stirring

Color electrophotographic device with developer stirring

Color image electrophotographic apparatus having photosensitive bod...

Optical recording system for controlling recording light quantity b...

Using horizontal and vertical synchronization signals to exclude in...

Recording apparatus using semiconductor laser

Printing apparatus and information processing apparatus using the same

Thermal printer and invertible ribbon cassette therefor including a...

Processor for detecting the number of bit times in portions of a bi...

Thermal transfer printer having an improved thermal head to improve...

Thermal head

Printer having a thermal head

Thermal transfer printer

Thermal print head

Thermal head

Printer having a thermal head

Patents Applicationslast 30 patents

Photoconductor unit and image forming system

Picture image forming apparatus

Electrophotographic image forming system

Photoconductor unit and image forming system

Electrophotographic image forming system