Inventor
WATANABE TOMIKAZU
JP5 patents
Patents
5 patentsUS6380710B1Apr 30, 2002
Photovoltaic-charged secondary battery device
SONY CORP44 citations92
US6471929B1Oct 29, 2002
Photocatalyst, manufacturing method therefor, and gas decomposition method
SONY CORP18 citations88
US6188197B1Feb 13, 2001
Light charging type secondary battery unit having a photo-electric transducer being wound on a winding core and electrical equipment
SONY CORP9 citations72
US4755780AJul 5, 1988
Ferromagnetic resonator having temperature compensation means using pre-coded compensation data
SONY CORP3 citations61
US7060381B2Jun 13, 2006
Electric energy generating element
SONY CORP0 citations50