RK

Ryoichi Koseki

NC Nihon Dempa Kogyo Co.: 3 patents #109 of 296Top 40%
Overall (All Time): #1,558,909 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7891486 Shipping tray for optical elements, and optical element shipped therein Motoo Takada 2011-02-22
7572349 Optical device and production method therefor Motoo Takada, Kazuya Takahashi, Yoshimitsu Iizuka 2009-08-11
7399512 Optical device and production method therefor Motoo Takada, Kazuya Takahashi, Yoshimitsu Iizuka 2008-07-15