Inventor
TAKAGI KAZUNORI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “TAKAGI KAZUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
6 patentsUS5031220AJul 9, 1991
Mobile stereo speaker set
PIONEER ELECTRONIC CORP76 citations96
US5018205AMay 21, 1991
Automatic sound level compensator for a sound reproduction device mounted in a vehicle
PIONEER ELECTRONIC CORP84 citations96
US4696370ASep 29, 1987
Headrest-mounted acoustic device
PIONEER ELECTRONIC CORP59 citations96
US4597470AJul 1, 1986
Car speaker system
PIONEER ELECTRONIC CORP66 citations95
US4790407ADec 13, 1988
Resonance-compensated speaker system for vehicle
PIONEER ELECTRONIC CORP43 citations92
US4856065AAug 8, 1989
Power fader for a loudspeaker system
PIONEER ELECTRONIC CORP7 citations74
SONY CORP
5 patentsUS6219489B1Apr 17, 2001
Apparatus and method for discriminating recording mode
SONY CORP67 citations95
US7653292B2Jan 26, 2010
Imaging apparatus, imaging method, and waterproof housing
SONY CORP111 citations94
US7324414B2Jan 29, 2008
Apparatus and method of optical disk recording while detecting vibration
SONY CORP5 citations63
US7038980B2May 2, 2006
Optical disk recording apparatus and optical disk recording method
SONY CORP2 citations63
US7884873B2Feb 8, 2011
Image pickup device having a display for displaying operation key image data representing operation keys and supplying image data including an operation menu to an external display device when connected to the external display device
SONY CORP2 citations58
POWDERTECH CO LTD
4 patentsUS5976747ANov 2, 1999
Ferrite carrier for electrophotographic developer and electrophotographic developer containing the same
POWDERTECH CO LTD19 citations92
US6235443B1May 22, 2001
Carrier for electrophotographic developer and electrophotographic developer containing the same
POWDERTECH CO LTD16 citations83
US6210850B1Apr 3, 2001
Carrier for electrophotographic developer and electrophotographic developer containing the same
POWDERTECH CO LTD12 citations73
US6387582B2May 14, 2002
Carrier for electrophotographic developer and electrophotographic developer containing the same
POWDERTECH CO LTD6 citations62