Hiroyuki Tadokoro

Person

Hitachi, JP

People

Patents Grantslast 30 patents

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
Color electrophotographic apparatus with obliquely arranged photose...
- Patent number 6,081,683
- Issue date Jun 27, 2000
- Hitachi, Ltd.
- Toru Miyasaka
- 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
Image forming apparatus having image transfer with toner cleaning f...
- Patent number 5,729,267
- Issue date Mar 17, 1998
- Hitachi, Ltd.
- Akira Shimada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Color image control apparatus having photosensitive body and interm...
- Patent number 5,648,809
- Issue date Jul 15, 1997
- Hitachi, Ltd.
- Takeshi Kato
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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 printer
- Patent number 5,550,956
- Issue date Aug 27, 1996
- Hitachi, Ltd.
- Hiroyuki Tadokoro
- 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 electro-photographic apparatus with endless-belt-shaped photo...
- Patent number 5,493,384
- Issue date Feb 20, 1996
- Hitachi, Ltd.
- Junichi Matsuno
- 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
Method of apparatus for recording color image by overlapping toner...
- Patent number 5,386,223
- Issue date Jan 31, 1995
- Hitachi, Ltd.
- Masahiko Saitoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color electrophotographic device and method
- Patent number 5,373,354
- Issue date Dec 13, 1994
- Hitachi, Ltd.
- Hiroyuki Tadokoro
- 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
Color image electrophotographic apparatus for printing long-size co...
- Patent number 5,164,781
- Issue date Nov 17, 1992
- Hitachi, Ltd.
- Isamu Terashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image transfer apparatus
- Patent number 5,113,226
- Issue date May 12, 1992
- Hitachi, Ltd.
- Hiroyuki Tadokoro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Scanning type image recording apparatus
- Patent number 4,942,407
- Issue date Jul 17, 1990
- Hitachi, Ltd.
- Hiroyuki Tadokoro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High precision image recording apparatus
- Patent number 4,922,272
- Issue date May 1, 1990
- Hitachi, Ltd.
- Kazuhiro Wakamatsu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Laser beam printer control apparatus
- Patent number 4,589,764
- Issue date May 20, 1986
- Hitachi, Ltd.
- Hiroyuki Tadokoro
- G01 - MEASURING TESTING
Information Patent Grant
History information providing device for printers
- Patent number 4,586,147
- Issue date Apr 29, 1986
- Hitachi, Ltd.
- Hiroyuki Tadokoro
- G07 - CHECKING-DEVICES
Information Patent Grant
Control system for illumination lamp installed in building equipped...
- Patent number 4,549,092
- Issue date Oct 22, 1985
- Hitachi, Ltd.
- Shigeru Matsuoka
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Exposure amount control device for a copying machine
- Patent number 4,527,093
- Issue date Jul 2, 1985
- Hitachi, Ltd.
- Koji Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Door operation control apparatus
- Patent number 4,475,069
- Issue date Oct 2, 1984
- Hitachi, Ltd.
- Hiroyuki Tadokoro
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door operation control apparatus
- Patent number 4,367,470
- Issue date Jan 4, 1983
- Hitachi, Ltd.
- Hiroyuki Tadokoro
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Hiroyuki Tadokoro

Person

Patents Grantslast 30 patents

Information print system and image processing apparatus

Color electrophotographic apparatus with obliquely arranged photose...

Electro-photographic apparatus having transfer bias control

Image forming apparatus having image transfer with toner cleaning f...

Color image control apparatus having photosensitive body and interm...

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

Electrophotographic apparatus and electrophotographic method

Color printer

Color electrophotographic device with developer stirring

Color electro-photographic apparatus with endless-belt-shaped photo...

Color electrophotographic device with developer stirring

Method of apparatus for recording color image by overlapping toner...

Color electrophotographic device and method

Color image electrophotographic apparatus having photosensitive bod...

Color image electrophotographic apparatus for printing long-size co...

Image transfer apparatus

Scanning type image recording apparatus

High precision image recording apparatus

Laser beam printer control apparatus

History information providing device for printers

Control system for illumination lamp installed in building equipped...

Exposure amount control device for a copying machine

Door operation control apparatus

Door operation control apparatus