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Inventor
SHIKAMA TOSHIO
JP
2 patents
⚠️ This page may combine multiple inventors who share the name “SHIKAMA TOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI POWER SOLUTIONS CO LTD
1 patent
US9643495B2
May 9, 2017
Pantograph device of trolley truck
HITACHI POWER SOLUTIONS CO LTD
6 citations
69
TOKAI RYOKAKU TETSUDO KK
1 patent
US7870938B2
Jan 18, 2011
Collector shoe device
TOKAI RYOKAKU TETSUDO KK
2 citations
54