KO

Kazuhiro Ogawa

HI Hitachi: 2 patents #339 of 2,942Top 15%
Overall (1997): #34,065 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5694186 Color liquid crystal display device having special relationship between its isochromatic viewing angle and half-brightness angle Kazuhiko Yanagawa, Masayuki Ohta, Keiichiro Ashizawa, Kiyoshige Kinukawa 1997-12-02
5668379 Active matrix crystal display apparatus using thin film transistor Kikuo Ono, Makoto Tsumura, Hiroki Sakuta, Masahiko Suzuki, Toshiki Kaneko +4 more 1997-09-16