SD

Shigeo Doi

MO Molten: 1 patents #1 of 4Top 25%
📍 Ibaraki, JP: #110 of 447 inventorsTop 25%
Overall (1989): #58,069 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4856781 Game ball Hideomi Shishido, Hideki Sumida, Masayuki Tanaka 1989-08-15