YO

Yutaka Ohsawa

HO Hoya: 3 patents #19 of 218Top 9%
Overall (2011): #31,057 of 364,097Top 9%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7974530 Diaphragm control apparatus of interchangeable lens camera Toshiaki Yamada, Shinichiro Sanada, Kosei Kosako, Hirotaka Ueno 2011-07-05
7970273 Diaphragm control apparatus of interchangeable lens camera Toshiaki Yamada, Shinichiro Sanada, Kosei Kosako, Hirotaka Ueno 2011-06-28
7970274 Diaphragm control apparatus of interchangeable lens camera Toshiaki Yamada, Shinichiro Sanada, Kosei Kosako, Hirotaka Ueno 2011-06-28