KK

Kouzo Katogi

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,949,611 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4736198 Multi-color liquid crystal display system Keiichi Tokuyama, Seiji Suda, Osamu Igarashi, Hirohisa Yamamura, Hiroshi Ito +2 more 1988-04-05