YH

Yoshinori Hirai

AC Asahi Glass Co.: 16 patents #79 of 2,251Top 4%
TP Technology Partners: 8 patents #5 of 201Top 3%
OP Optrex: 3 patents #8 of 56Top 15%
KA Kaneka: 2 patents #598 of 1,525Top 40%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
SB Stealth Biotherapeutics: 1 patents #20 of 28Top 75%
Overall (All Time): #125,040 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
5216531 Projection type active matrix polymer dispersed liquid crystal display apparatus with particles of liquid crystal material randomly oriented Tomoki Gunjima, Satoshi Niiyama, Yoshiharu Ooi 1993-06-01
5206746 Transparent-scattering type optical device including a prism with a triangular longitudinal cross section Yoshiharu Ooi, Tomoki Gunjima 1993-04-27
5196952 Liquid crystal display element and a projection type liquid crystal display apparatus Satoshi Niiyama, Tomoki Gunjima 1993-03-23
5150232 Active matrix liquid crystal display element and projection type active matrix liquid crystal display device Tomoki Gunkima, Masanori Yuki, Masaya Kunigita, Yukio Yoshikawa, Eiji Shidoji 1992-09-22
5103327 Active matrix liquid crystal display element and a projection type active matrix liquid crystal display apparatus Tomoki Gunjima, Satoshi Niiyama, Hiroshi Kumai 1992-04-07