P
PatentIndex
Search
Landscape
Sign in
Inventor
NAGAHARA KAZUYUKI
JP
3 patents
⚠️ This page may combine multiple inventors who share the name “NAGAHARA KAZUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI KOKI KK
2 patents
US4873479A
Oct 10, 1989
Battery charger
HITACHI KOKI KK
41 citations
90
US4399201A
Aug 16, 1983
Battery casing
HITACHI KOKI KK
30 citations
88
HITACHI KOKO COMPANY LTD
1 patent
USD313004S
Dec 18, 1990
Battery charger
HITACHI KOKO COMPANY LTD
23 citations
88