HO

Hisashi Okawa

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
KC Kanto Chemical Co.: 2 patents #1 of 30Top 4%
Overall (All Time): #1,676,533 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4694098 Colorless liquid crystalline compounds Yoichi Hirai, Tsunenori Fujii, Kaoru Koto, Kenji Suzuki, Masahiro Yoshida +6 more 1987-09-15
4584120 Liquid crystal compound and liquid crystal composition Tsunenori Fujii, Kenji Suzuki, Masahiro Yoshida, Kaoru Koto, Hideki Ohmori +6 more 1986-04-22
4564694 Colorless liquid crystalline compounds Yoichi Hirai, Tsunenori Fujii, Kaoru Koto, Kenji Suzuki, Masahiro Yoshida +6 more 1986-01-14