Inventor

KUMADA MASASHI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “KUMADA MASASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

2 patents

US8359174B2Jan 22, 2013

Battery pack, electronic appliance, and method of detecting remaining amount of battery

SONY CORP852 citations98

US7843164B2Nov 30, 2010

Power supply system, power supply plate and electronic equipment

SONY CORP11 citations83

KUMADA MASASHI

1 patent

US8654377B2Feb 18, 2014

Data communication device, communication control method, and program

KUMADA MASASHI1 citations41