SO

Shingo Okawa

OC Optex Co.: 1 patents #66 of 111Top 60%
Overall (All Time): #3,451,903 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6909370 Intruder detection device and intruder detection method Hiroaki Nakamura, Yoshiharu Okumura 2005-06-21