HY

Hisao Yokokura

HI Hitachi: 27 patents #1,104 of 28,497Top 4%
KC Kanto Chemical Co.: 2 patents #1 of 30Top 4%
ND Nitto Denko: 1 patents #1,580 of 2,479Top 65%
Overall (All Time): #139,872 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4564694 Colorless liquid crystalline compounds Yoichi Hirai, Tsunenori Fujii, Kaoru Koto, Kenji Suzuki, Masahiro Yoshida +6 more 1986-01-14
4381886 Liquid crystal display element Teruo Kitamura, Ren Ito, Fumio Nakano, Hirosada Morishita, Mikio Sato +1 more 1983-05-03
4278326 Liquid crystal display element Hiromitsu Kawamura, Tokuyoshi Nakajima, Yoshimichi Shibuya 1981-07-14