Inventor
TAMURA HISAYA
JP9 patents
⚠️ This page may combine multiple inventors who share the name “TAMURA HISAYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CHEMICALS CORP
7 patentsUS6351361B1Feb 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
US7535332B2May 19, 2009
Protective element
SONY CHEMICALS CORP11 citations82
US5764118AJun 9, 1998
Dielectric coaxial filter with irregular polygon shaped recesses
SONY CHEMICALS CORP18 citations77
US6917505B2Jul 12, 2005
Secondary batteries having a protective circuit
SONY CHEMICALS CORP5 citations61