Inventor

OKUBO EIJI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “OKUBO EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI MEDIA ELECTRON KK

2 patents

US7995450B2Aug 9, 2011

Optical element feeding device and optical pickup unit using the same

HITACHI MEDIA ELECTRON KK4 citations60

US7675832B2Mar 9, 2010

Optical element feeding device driving method and optical disk apparatus

HITACHI MEDIA ELECTRON KK1 citations48

HITACHI LTD

1 patent

US4611335ASep 9, 1986

Digital data synchronizing circuit

HITACHI LTD19 citations72