YN

Yoshifumi Natsuyama

IBM: 5 patents #18,733 of 70,183Top 30%
Overall (All Time): #1,038,440 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6977694 Frame and image display device 2005-12-20
6724445 Display element frame for a portable device 2004-04-20
6710267 Input pen for touch panel, and input pen Hiroshi Takatsuji, Yoshihiri Katsu 2004-03-23
6498631 Panel light source device 2002-12-24
5636102 Portable information processing apparatus with hinge for enlarged LCD display Takane Fujino, Yoshiharu Uchiyama, Tomoyuki Takahashi 1997-06-03