MO

Masao Okayama

HI Hitachi: 1 patents #814 of 2,935Top 30%
📍 Ibaraki, JP: #110 of 447 inventorsTop 25%
Overall (1989): #79,473 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4866254 Automatic bill transaction system Masataka Kawauchi, Hideo Iwakami, Yasunori Hamada 1989-09-12