Inventor
TAKAGI KOJI
JP42 patents
⚠️ This page may combine multiple inventors who share the name “TAKAGI KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BRIDGESTONE CORP
23 patentsUS7321459B2Jan 22, 2008
Image display device and method
BRIDGESTONE CORP471 citations99
US5153082AOct 6, 1992
Nonaqueous electrolyte secondary battery
BRIDGESTONE CORP89 citations96
US7907878B2Mar 15, 2011
Developing roller and imaging apparatus using the same
BRIDGESTONE CORP26 citations92
US7705823B2Apr 27, 2010
Image display unit
BRIDGESTONE CORP42 citations92
US7646530B2Jan 12, 2010
Particle and device for image display
BRIDGESTONE CORP34 citations92
US7525719B2Apr 28, 2009
Particles and device for displaying image
BRIDGESTONE CORP38 citations92
US6067434AMay 23, 2000
Developing roller and developing apparatus
BRIDGESTONE CORP23 citations92
US5903808AMay 11, 1999
Developing roller and developing apparatus
BRIDGESTONE CORP20 citations92
US5697027ADec 9, 1997
Developing roller employing an elastic layer between conductive shaft and outer conductive layer and developing apparatus
BRIDGESTONE CORP23 citations92
US5565968AOct 15, 1996
Developing roller, and method and apparatus for developing latent images using the roller
BRIDGESTONE CORP28 citations92
US5434653AJul 18, 1995
Developing roller and apparatus
BRIDGESTONE CORP52 citations92
US7912411B2Mar 22, 2011
Developing roller and imaging apparatus using the same
BRIDGESTONE CORP23 citations90
US7224510B2May 29, 2007
Reversible image display sheet and image display
BRIDGESTONE CORP12 citations84
US6312792B1Nov 6, 2001
Electrically conductive member and image-forming apparatus
BRIDGESTONE CORP17 citations84
US5666626ASep 9, 1997
Apparatus for developing electrostatic latent images using developing roller having specific ionization potential
BRIDGESTONE CORP18 citations84
US8376922B2Feb 19, 2013
Developing roller, charging roller, conductive roller and method for producing the same
BRIDGESTONE CORP14 citations82
US6175709B1Jan 16, 2001
Toner support and image forming apparatus
BRIDGESTONE CORP8 citations74
US6108509AAug 22, 2000
Toner carrier and image-forming apparatus
BRIDGESTONE CORP14 citations74
US5878313AMar 2, 1999
Developing roller and apparatus
BRIDGESTONE CORP13 citations74
US6512911B2Jan 28, 2003
Toner carrier having a particular Z value, a particular creep value, or a particular universal hardness
BRIDGESTONE CORP12 citations73
US6420012B1Jul 16, 2002
Toner carrier and image-forming apparatus
BRIDGESTONE CORP6 citations62
US7809315B2Oct 5, 2010
Transfer/transport conductive endless belt for a tandem system, method for producing same, and image forming apparatus employing same
BRIDGESTONE CORP1 citations52
US6058285AMay 2, 2000
Gloss and image forming apparatus
BRIDGESTONE CORP1 citations52
SONY CORP
10 patentsUS5355357AOct 11, 1994
Disc player and disc loading device
SONY CORP224 citations98
US5315570AMay 24, 1994
Optical disk reproducing apparatus which automatically determines the format type of the optical disk
SONY CORP92 citations96
US6121158ASep 19, 2000
Method for hardening a photoresist material formed on a substrate
SONY CORP494 citations95
US5548509AAug 20, 1996
Recording medium and information reading apparatus
SONY CORP24 citations93
US5363355ANov 8, 1994
CD-ROM disc reproducing apparatus with clipping memory
SONY CORP38 citations93
US5502695AMar 26, 1996
Reproducing apparatus having a single microprocessor to perform data retrieval and disc reproduction control
SONY CORP20 citations92
US5784351AJul 21, 1998
Loading apparatus for disk cartridge
SONY CORP14 citations74
US5359580AOct 25, 1994
Method of using a single microprocessor to perform data retrieval and disc reproduction control in a disc reproducing apparatus
SONY CORP5 citations74
US5535184AJul 9, 1996
Reproducing apparatus having a single microprocessor to perform data retrieval disc reproduction control
SONY CORP2 citations63
US5920541AJul 6, 1999
Data disc having both data and data retrieval information stored thereon and method for retrieving data recorded on the data disc
SONY CORP6 citations59