YN

Yasuo Nihei

PE Pentax: 1 patents #515 of 761Top 70%
Overall (All Time): #3,840,846 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5274413 Mount assembly of optical devices Katsuhiko Nomura, Kenichi Sakata, Hiroaki Takagi, Misao Ishikawa 1993-12-28