Inventor
YAMAMOTO TADAHISA
JP7 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO TADAHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
5 patentsUS7023180B2Apr 4, 2006
Charging apparatus and method for a secondary battery of a portably electronic device
SONY CORP18 citations92
US7023179B2Apr 4, 2006
Charging apparatus and charging method
SONY CORP7 citations73
US6956357B2Oct 18, 2005
Charging apparatus and charging method
SONY CORP10 citations73
US6949913B2Sep 27, 2005
Charging apparatus and charging method
SONY CORP4 citations73
US6650090B2Nov 18, 2003
Battery pack and signal transmission system
SONY CORP0 citations48