Inventor
YAMANAKA SUSUMU
JP9 patents
⚠️ This page may combine multiple inventors who share the name “YAMANAKA SUSUMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
3 patentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
3 patentsUS6451478B1Sep 17, 2002
Coin-shaped battery and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations91
US6696198B2Feb 24, 2004
Flat battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations71
US6761995B2Jul 13, 2004
Coin-shaped battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations57