Inventor
UMEDA YOSHIO
JP27 patents
⚠️ This page may combine multiple inventors who share the name “UMEDA YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
8 patentsUS5903538AMay 11, 1999
Automatic disk change apparatus and disk tray for the apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD77 citations95
US6496323B1Dec 17, 2002
Information recording/reproducing apparatus and method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations92
US5844394ADec 1, 1998
Stepping motor controller
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations92
US6466385B1Oct 15, 2002
Method and apparatus of forming a magnetic disk with a servo sector and a data sector on a spiral track
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations90
US5831947ANov 3, 1998
Automatic medium changing apparatus using an automatic regulator according to the disk type
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US5634179AMay 27, 1997
Charging device and image forming apparatus containing the charging device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations73
US5548380AAug 20, 1996
Charging device and an image forming apparatus using a charging device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations72
US5776544AJul 7, 1998
Charging device and an image forming apparatus using a charging device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations61
PANASONIC LIQUID CRYSTAL DISPL
6 patentsUS9472145B2Oct 18, 2016
Liquid crystal display device including an opening in a color filter
PANASONIC LIQUID CRYSTAL DISPL0 citations52
US9142170B2Sep 22, 2015
Liquid crystal display device including an opening in a color filter
PANASONIC LIQUID CRYSTAL DISPL0 citations52
US9426456B2Aug 23, 2016
Display device and video viewing system
PANASONIC LIQUID CRYSTAL DISPL0 citations42
US9019325B2Apr 28, 2015
Liquid crystal display device
PANASONIC LIQUID CRYSTAL DISPL0 citations42
US9390662B2Jul 12, 2016
Liquid crystal display device
PANASONIC LIQUID CRYSTAL DISPL0 citations40
US9024923B2May 5, 2015
Liquid crystal display panel and liquid crystal display device with backlight chromaticity balance
PANASONIC LIQUID CRYSTAL DISPL0 citations37
KOBAYASHI TAKAHIRO
3 patentsUS8466869B2Jun 18, 2013
Display apparatus that controls a length of an emission period or luminance of a display area according to temperature of a liquid crystal panel
KOBAYASHI TAKAHIRO18 citations82
US9210752B2Dec 8, 2015
Backlight device
KOBAYASHI TAKAHIRO1 citations52
US8917222B2Dec 23, 2014
Display device and video viewing system
KOBAYASHI TAKAHIRO1 citations52
DISCO ABRASIVE SYSTEMS LTD
2 patentsUS4843766AJul 4, 1989
Cutting tool having concentrically arranged outside and inside abrasive grain layers and method for production thereof
DISCO ABRASIVE SYSTEMS LTD19 citations82
US4817341AApr 4, 1989
Cutting tool having concentrically arranged outside and inside abrasive grain layers and method for production thereof
DISCO ABRASIVE SYSTEMS LTD8 citations73