KN

Koichi Nagao

Sumitomo Electric Industries: 2 patents #217 of 2,038Top 15%
Overall (1997): #32,812 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5665610 Semiconductor device checking method Yoshiro Nakata, Shinichi Oki, Kenzo Hatada, Shigeoki Mori, Takashi Sato +1 more 1997-09-09
5605844 Inspecting method for semiconductor devices Shinichi Oki, Yoshiro Nakata 1997-02-25