SU

Seiji Umemoto

ND Nitto Denko: 102 patents #2 of 2,479Top 1%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
NC Nhk Spring Co.: 1 patents #555 of 1,116Top 50%
📍 Ibaraki, JP: #16 of 6,779 inventorsTop 1%
Overall (All Time): #14,019 of 4,157,543Top 1%
102
Patents All Time

Issued Patents All Time

Showing 101–102 of 102 patents

Patent #TitleCo-InventorsDate
5998096 Process for producing polymerization or crosslinking rate-distributed article and process for producing lens, lens array or waveguide using the process Yasuo Fujimura, Kazutaka Hara, Suguru Yamamoto 1999-12-07
5727107 Light guide plate, surface light source device, polarized light source device and liquid crystal display Kazutaka Hara, Hiroyuki Yoshimi, Tatsuya Osuka, Tadayuki Kameyama 1998-03-10