Inventor

OOKUBO HIROYUKI

JP4 patents

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

SONY CORP

2 patents

US4079360AMar 14, 1978

Magnetic field sensing apparatus

SONY CORP90 citations94

US4021728AMay 3, 1977

Magnetic field sensing apparatus for sensing the proximity of a member having high magnetic permeability without requiring an external field source

SONY CORP29 citations80

TOKUYAMA CORP

1 patent

US7338617B2Mar 4, 2008

Process for preparing a flocculant for water treatment

TOKUYAMA CORP16 citations82

JFE STEEL CORP

1 patent

US6706125B2Mar 16, 2004

Linear shape steel excellent in joint fatigue characteristics and production method therefor

JFE STEEL CORP0 citations46