OA

Osamu Abe

HI Hitachi: 1 patents #814 of 2,935Top 30%
HE Hitachi Automotive Eng.: 1 patents #1 of 6Top 20%
📍 Ibaraki, JP: #110 of 447 inventorsTop 25%
Overall (1989): #72,002 of 140,708Top 55%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4869224 In-engine deposit detection apparatus for engine control system Hideaki Ishikawa, Aiichi Uehara 1989-09-26