KI

Keiji Ishizuka

Canon: 2 patents #487 of 2,200Top 25%
Overall (1997): #33,615 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5665630 Device separation structure and semiconductor device improved in wiring structure Yuzo Kataoka, Toshihiko Ichise, Hidekazu Takahashi, Hayao Ohzu 1997-09-09
5655032 Coding method and apparatus therefor Hidefumi Ohsawa 1997-08-05