YN

Yoichi Namba

SK Showa Denko K.K.: 2 patents #639 of 1,736Top 40%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #1,624,875 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6303268 Resist resin, resist resin composition and method of forming pattern using resist resin and resist resin composition Hiroshi Takahashi 2001-10-16
5303331 Compound type expert system 1994-04-12
5030699 Ladder silicone oligomer composition Takahiko Motoyama, Yoshio Miyata, Fumio Matsui, Noritoshi Kamoi, Yukari Ohwaki 1991-07-09