HK

Hideyuki Kawagishi

Canon: 31 patents #1,730 of 19,416Top 9%
Overall (All Time): #120,052 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
5005953 High contrast liquid crystal element 1991-04-09
4958912 Image forming apparatus Yutaka Inaba, Makoto Kojima, Shuzo Kaneko 1990-09-25
4958915 Liquid crystal apparatus having light quantity of the backlight in synchronism with writing signals Shinjiro Okada, Tohru Takahashi, Yutaka Inaba, Osamu Taniguchi 1990-09-25
4932758 Ferroelectric smectic liquid crystal device having a bistable alignment state providing two stable orientation states Yukio Hanyu, Junichiro Kanbe, Yutaka Inaba 1990-06-12
4883344 Liquid crystal device having a modified polyvinyl alcohol alignment layer Shinjiro Okada, Kazuo Yoshinaga, Osamu Taniguchi, Akira Tsuboyama, Yukio Hanyu +2 more 1989-11-28
4820026 Ferroelectric liquid crystal device with modified polyvinyl alcohol alignment film Shinjiro Okada, Kazuo Yoshinaga, Osamu Taniguchi, Akira Tsuboyama, Yukio Hanyu +2 more 1989-04-11