YT

Yasuzi Tanaka

SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
📍 Ooita, JP: #284 of 516 inventorsTop 60%
Overall (All Time): #3,515,976 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6586508 Plastic lens material, production process of the material, composition for plastic lens, plastic lens obtained by curing the composition, and production process of the plastic lens Kazuhiko Ooga, Yoshifumi Asai, Tsuneo Tajima, Hiroshi Uchida 2003-07-01