TS

Takashi Shirasuna

Canon: 6 patents #8,497 of 19,416Top 45%
Overall (All Time): #849,953 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9417436 Optical system and image pickup apparatus including the same 2016-08-16
7864445 Zoom lens and image pickup apparatus including the same 2011-01-04
7639430 Zoom lens and image pickup apparatus having the same 2009-12-29
7268811 Zoom lens system 2007-09-11
6865027 Zoom lens and camera having the same 2005-03-08
6757103 Zoom lens and optical equipment using the same 2004-06-29