KK

Ken Katayama

IBM: 1 patents #1,943 of 5,539Top 40%
Overall (2003): #181,069 of 273,478Top 70%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6561668 Computer with keyboard illuminator for use in operating environments with inadequate ambient lighting conditions Yukifumi Nakazawa, Yoshio Nishioka, Takahide Wada 2003-05-13