YK

Yoshiyuki Katsumata

SI Sanshin Industries: 2 patents #147 of 319Top 50%
DI Daicel Chemical Industries: 1 patents #476 of 893Top 55%
📍 Numazu, JP: #372 of 856 inventorsTop 45%
Overall (All Time): #1,619,053 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6479702 3-amino-1-indanole, method of synthesizing the same and method of optical resolution Kazuhiko Saigo, Kazushi Kinbara 2002-11-12
5489226 Hydraulic assist device for marine propulsion unit Daisuko Nakamura 1996-02-06
5261843 Trim/tilt device for marine propulsion unit Eiichiro Tsujii 1993-11-16