YI

Yoshio Iwai

Sumitomo Electric Industries: 3 patents #364 of 3,885Top 10%
Overall (2003): #18,871 of 273,478Top 7%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6661484 Retardation matching using the liquid crystal twist angle for different color dots within a pixel of a reflective color LCD Hisanori Yamaguchi, Tomoaki Sekime, Yoshihiro Sakurai, Tetsu Ogawa 2003-12-09
6633352 Reflection type liquid crystal display device Hisanori Yamaguchi, Tomoaki Sekime, Tetsu Ogawa 2003-10-14
6567149 Reflection liquid crystal display device Hisanori Yamaguchi, Tomaoki Sekime, Tetsu Ogawa 2003-05-20