YK

Yusuke Kusaka

PA Panasonic: 7 patents #3,841 of 21,108Top 20%
Canon: 3 patents #11,241 of 19,416Top 60%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
NI Nikon: 1 patents #1,647 of 2,493Top 70%
Overall (All Time): #415,844 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10338302 Light source device Takanori Kikuchi, Masaru Fujita, Yoshihiko Kanayama, Shohroh Mochida, Masami Ito 2019-07-02
9229151 Light guide Masaru Fujita, Shohroh Mochida, Yoshihiko Kanayama, Masami Ito, Takanori Kikuchi 2016-01-05
9028125 Light guide plate and surface light source device Takanori Kikuchi, Masami Ito, Masaru Fujita 2015-05-12
8979351 Light guide plate, die, and die processing method Masaru Fujita, Masami Ito, Takanori Kikuchi 2015-03-17
8882326 Light guide plate and surface light source device Takanori Kikuchi, Masami Ito, Masaru Fujita 2014-11-11
8738625 Log management system and program Tomotada Naito 2014-05-27
8593624 Refractive index measuring apparatus Yohei Takechi, Atsushi Fukui, Seiji Hamano, Kazumasa Takata 2013-11-26
8582190 Two-dimensional scanning device Seiji Hamano 2013-11-12
7880975 Zoom lens and imaging device having same 2011-02-01
7583449 Zoom lens and image pickup apparatus having the same 2009-09-01
7254322 Drive controller of a lens apparatus 2007-08-07
5510874 Automatic focusing apparatus Masaru Muramatsu, Ken Utagawa, Shozo Yamano 1996-04-23