BK

Bunzo Kiyonaga

EP Epson: 1 patents #24 of 66Top 40%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Overall (All Time): #2,347,314 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4621900 Liquid crystal compositions 1986-11-11
4577931 Liquid crystal composition 1986-03-25