Inventor
TADOKORO HIROYUKI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “TADOKORO HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
24 patentsUS4586147AApr 29, 1986
History information providing device for printers
HITACHI LTD73 citations96
US5550956AAug 27, 1996
Color printer
HITACHI LTD23 citations92
US5530527AJun 25, 1996
Color electrophotographic device with developer stirring
HITACHI LTD26 citations92
US5386223AJan 31, 1995
Method of apparatus for recording color image by overlapping toner images of different colors
HITACHI LTD21 citations92
US5113226AMay 12, 1992
Image transfer apparatus
HITACHI LTD27 citations92
US4475069AOct 2, 1984
Door operation control apparatus
HITACHI LTD28 citations92
US6204933B1Mar 20, 2001
Information print system and image processing apparatus
HITACHI LTD30 citations91
US6081683AJun 27, 2000
Color electrophotographic apparatus with obliquely arranged photosensitive belt
HITACHI LTD17 citations84
US4549092AOct 22, 1985
Control system for illumination lamp installed in building equipped with door operation control apparatus
HITACHI LTD24 citations82
US5648809AJul 15, 1997
Color image control apparatus having photosensitive body and intermediate transfer body
HITACHI LTD14 citations74
US5373354ADec 13, 1994
Color electrophotographic device and method
HITACHI LTD9 citations74
US4367470AJan 4, 1983
Door operation control apparatus
HITACHI LTD14 citations74
US5602578AFeb 11, 1997
Color printer with transfer and superposition of different color toner images onto intermediate transcription member
HITACHI LTD11 citations73
US5285221AFeb 8, 1994
Color image electrophotographic apparatus having photosensitive body and intermediate transfer body
HITACHI LTD9 citations73
US4922272AMay 1, 1990
High precision image recording apparatus
HITACHI LTD7 citations73
US4527093AJul 2, 1985
Exposure amount control device for a copying machine
HITACHI LTD11 citations73
US5761568AJun 2, 1998
Electro-photographic apparatus having transfer bias control
HITACHI LTD13 citations72
US4589764AMay 20, 1986
Laser beam printer control apparatus
HITACHI LTD13 citations71
US5555074ASep 10, 1996
Electrophotographic apparatus and electrophotographic method
HITACHI LTD8 citations68
US5729267AMar 17, 1998
Image forming apparatus having image transfer with toner cleaning function
HITACHI LTD5 citations63
US4942407AJul 17, 1990
Scanning type image recording apparatus
HITACHI LTD4 citations63
US5164781ANov 17, 1992
Color image electrophotographic apparatus for printing long-size copy images
HITACHI LTD4 citations62
US5493384AFeb 20, 1996
Color electro-photographic apparatus with endless-belt-shaped photosensitive member
HITACHI LTD3 citations61
US5434652AJul 18, 1995
Color electrophotographic device with developer stirring
HITACHI LTD1 citations52