KM

Katsumi Matsumoto

HI Hitachi: 2 patents #622 of 3,771Top 20%
HC Hitachi Device Engineering Co.: 2 patents #14 of 154Top 10%
Overall (2004): #56,068 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6791521 Liquid crystal display device having a gray-scale voltage selector circuit Hironobu Isami, Iwao Takemoto, Toshio Miyazawa 2004-09-14
6784956 Reflective type liquid crystal display device Iwao Takemoto, Hideki Nakagawa, Eiichiro Ito, Atsumu Iguchi, Kenji Kitajima +4 more 2004-08-31