Inventor
FUKUI KENJI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “FUKUI KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON STEEL CORP
3 patentsUS5715219AFeb 3, 1998
Displacement detecting device for optical head
NIPPON STEEL CORP7 citations72
US5351230ASep 27, 1994
Optical information system focal point displacement detecting means having Fresnel zone plates with rectilinear grating
NIPPON STEEL CORP17 citations71
US5502693AMar 26, 1996
Magnetic recording system for compensating leakage flux
NIPPON STEEL CORP2 citations59