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Inventor
YAMAKI MASATOSHI
JP
4 patents
⚠️ This page may combine multiple inventors who share the name “YAMAKI MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER TOHOKU CORP
3 patents
US7019454B2
Mar 28, 2006
Light emitting device
PIONEER TOHOKU CORP
14 citations
80
US7439671B2
Oct 21, 2008
Organic electroluminescent panel
PIONEER TOHOKU CORP
2 citations
60
US7264843B2
Sep 4, 2007
Organic electroluminescent panel and producing method of the same
PIONEER TOHOKU CORP
1 citations
49
TOHOKU ELECTRIC POWER CO
1 patent
US5070537A
Dec 3, 1991
System for detecting defective point on power transmission line by utilizing satellite
TOHOKU ELECTRIC POWER CO
59 citations
94