SN

Shinji Nagaoka

SC Seikosha Co.: 1 patents #27 of 65Top 45%
📍 Yotsukaido, JP: #5 of 10 inventorsTop 50%
Overall (1989): #57,240 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4881096 Motor-driven shutter for camera Masuo Ogihara, Hiroyuki Ishida, Youichi Seki, Shigeru Tagami, Hiroshi Yamazaki +1 more 1989-11-14