RT

Ryotaro Takayanagi

NI Nikon: 2 patents #116 of 390Top 30%
Overall (1997): #25,110 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5640622 Electronic flash apparatus of a camera Hideki Matsui, Nobuyoshi Hagiuda, Hiroshi Sakamoto 1997-06-17
5594314 Secondary battery discharge adaptor Nobuyoshi Hagiuda, Hideki Matsui, Hiroshi Sakamoto 1997-01-14