AN

Akira Nakatsuka

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,610,629 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6577246 Electromagnetic wave lane marker, device for detecting electromagnetic wave lane marker, and traffic system Satoru Handa, Yoshihiko Tanji 2003-06-10
6457229 Ignition device for internal combustion engine Akira Kanazawa, Noriyuki Murata, Toshiharu Saito, Harumi Aoki 2002-10-01
6255930 Ignition device for internal combustion engine Akira Kanazawa, Noriyuki Murata, Toshiharu Saito, Harumi Aoki 2001-07-03