YO

Youichi Oka

📍 Hikari, JP: #3 of 10 inventorsTop 30%
Overall (1989): #40,490 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
H708 Method of producing diacetone sorbose Hitoshi Sawada, Masao Yokoyama 1989-11-07