YK

Yoshihisa Katayama

📍 Okayama, JP: #824 of 1,590 inventorsTop 55%
Overall (All Time): #3,827,243 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5223122 Producing method of fractionated wax products having different molecular weights from solid wax 1993-06-29