Inventor
KAWAMURA HIROSHI
JP126 patents
⚠️ This page may combine multiple inventors who share the name “KAWAMURA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
11 patentsUS5757354AMay 26, 1998
Portable data communication apparatus with rotatable display images for accomodating a wireless remote keyboard
SONY CORP222 citations99
US5541777AJul 30, 1996
Electromagnetic driving device
SONY CORP105 citations98
US5499143AMar 12, 1996
Electromagnetic actuator and lens drive mechanism using the same
SONY CORP131 citations97
US6418108B1Jul 9, 2002
Optical head, recording and/or reproducing method and apparatus and method for detecting thickness
SONY CORP77 citations96
US5241422AAug 31, 1993
Zoom lens apparatus
SONY CORP68 citations95
US6134195AOct 17, 2000
Optical pickup device
SONY CORP22 citations93
US5264747ANov 23, 1993
Permanent magnet type stepping motor and adjusting method for minimizing its detent torque
SONY CORP25 citations93
US6314064B1Nov 6, 2001
Optical pickup device and optical disc device
SONY CORP36 citations92
US5963248AOct 5, 1999
Automatic tracking/image sensing device
SONY CORP37 citations92
US5905598AMay 18, 1999
Zoom lens apparatus
SONY CORP19 citations92
US5231473AJul 27, 1993
Lens barrel
SONY CORP39 citations92
NTN TOYO BEARING CO LTD
4 patentsUS6692393B2Feb 17, 2004
Pulley ball bearing and pulley
NTN TOYO BEARING CO LTD20 citations90
US8382378B2Feb 26, 2013
Wheel bearing device
NTN TOYO BEARING CO LTD10 citations84
US8360649B2Jan 29, 2013
Wheel bearing apparatus incorporated with a wheel speed detecting apparatus
NTN TOYO BEARING CO LTD10 citations84
US8043010B2Oct 25, 2011
Wheel bearing apparatus incorporated with a wheel speed detecting apparatus
NTN TOYO BEARING CO LTD8 citations84
JAPAN STORAGE BATTERY CO LTD
3 patentsUS5578392ANov 26, 1996
Cylindrical cell, a cell pack, and a cell holder
JAPAN STORAGE BATTERY CO LTD75 citations96
US6132898AOct 17, 2000
Battery with a conductive plate
JAPAN STORAGE BATTERY CO LTD23 citations93
US6025095AFeb 15, 2000
Battery electrode and manufacturing method thereof
JAPAN STORAGE BATTERY CO LTD50 citations93
SHARP KK
3 patentsCANON KK
3 patentsUS6704528B1Mar 9, 2004
Image forming apparatus having detachable cleaning unit
CANON KK37 citations93
US7512361B2Mar 31, 2009
Process cartridge whose developing roller and drum contact and separate from each other and image forming apparatus using such cartridge
CANON KK16 citations84
US7853170B2Dec 14, 2010
Image forming apparatus having a cleaning member that cleans a transmitting member provided in an optical device
CANON KK10 citations83
HONDA MOTOR CO LTD
3 patentsFUKUMURA YOSHIKAZU
3 patentsJAPAN ATOMIC ENERGY RES INST
2 patentsSUMITOMO WIRING SYSTEMS
2 patentsMITSUBISHI ELECTRIC CORP
2 patentsHONEYWELL INT INC
2 patentsTORII AKIRA
2 patents(unassigned)
1 patentHITACHI LTD
1 patentPIONEER CORP
1 patentJTEKT CORP
1 patentKONDO TAKASHI
1 patentPANASONIC CORP
1 patentNAKAGAWA TOHRU
1 patentYAMAMOTO KAZUNARI
1 patentIKETANI NAOYASU
1 patentTORAY INDUSTRIES
1 patentShowing the top 50 of 126 patents by PatentIndex Score.