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Yukifumi Nakazawa

IBM: 4 patents #21,733 of 70,183Top 35%
Overall (All Time): #1,269,038 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6561668 Computer with keyboard illuminator for use in operating environments with inadequate ambient lighting conditions Ken Katayama, Yoshio Nishioka, Takahide Wada 2003-05-13
6442443 Information processing apparatus and power saving apparatus Kazuo Fujii, Takeshi Asami 2002-08-27
6388343 Power supply unit and electronic apparatus for preventing a leak current Toru Michigami, Arimasa Naitoh 2002-05-14
5617291 Compact modem system suitable for a notebook or other small computer Kazuo Fujii, Takehiko Noguchi 1997-04-01