Inventor
IWASAKI NORIKAZU
JP12 patents
⚠️ This page may combine multiple inventors who share the name “IWASAKI NORIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CHEMICALS CORP
10 patentsUS5712610AJan 27, 1998
Protective device
SONY CHEMICALS CORP151 citations98
US6452475B1Sep 17, 2002
Protective device
SONY CHEMICALS CORP98 citations97
US6351361B1Feb 26, 2002
Overcurrent protection device
SONY CHEMICALS CORP60 citations95
US5939217AAug 17, 1999
Battery and protecting element therefor
SONY CHEMICALS CORP53 citations92
US6114672ASep 5, 2000
PTC-element, protective device and electric circuit board
SONY CHEMICALS CORP47 citations90
US6661633B1Dec 9, 2003
Protective element
SONY CHEMICALS CORP17 citations83
US6656304B2Dec 2, 2003
Method for manufacturing a PTC element
SONY CHEMICALS CORP9 citations73
US6977343B2Dec 20, 2005
Heat-sensitive material and heat-sensitive element
SONY CHEMICALS CORP5 citations62
US6556403B1Apr 29, 2003
Protective element
SONY CHEMICALS CORP6 citations62
US6917505B2Jul 12, 2005
Secondary batteries having a protective circuit
SONY CHEMICALS CORP5 citations61