KN

Kazuyuki Nagahara

HC Hitachi Koki Co.: 2 patents #413 of 888Top 50%
HC Hitachi Koko Co.: 1 patents #1 of 33Top 4%
📍 Hitachinaka, JP: #1,128 of 2,447 inventorsTop 50%
Overall (All Time): #1,669,270 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D313004 Battery charger Hideaki Hasegawa, Yoshio Iimura 1990-12-18
4873479 Battery charger Yoshio Iimura 1989-10-10
4399201 Battery casing — 1983-08-16