Inventor
TAKEI TOSHITAKA
JP14 patents
⚠️ This page may combine multiple inventors who share the name “TAKEI TOSHITAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
11 patentsUS5991170ANov 23, 1999
Equipment and method for transmitting electric power
SONY CORP134 citations98
US5626979AMay 6, 1997
Battery device and electronic equipment employing the battery device as power source
SONY CORP731 citations97
US5415947AMay 16, 1995
Battery cartridge having a recess for detecting misuse and/or recessed terminals
SONY CORP107 citations97
US5248927ASep 28, 1993
Battery pack with temperature detecting element and battery charger therefor
SONY CORP88 citations95
US6291965B1Sep 18, 2001
Battery charger
SONY CORP23 citations92
US6118255ASep 12, 2000
Charging apparatus, secondary battery apparatus, charging system, and charging method
SONY CORP52 citations92
US6066939AMay 23, 2000
Secondary battery pack
SONY CORP26 citations92
US6028415AFeb 22, 2000
Charging control method and charging control device
SONY CORP52 citations92
US5982153ANov 9, 1999
Charger system switchably connects a smoothing capacitor and resistor and charging controller based on a detected secondary battery voltage
SONY CORP29 citations92
US5982151ANov 9, 1999
Battery charger and battery charging method
SONY CORP37 citations92
US5945805AAug 31, 1999
Cell evaluating method and cell evaluating apparatus
SONY CORP52 citations92