Kei Shirota

FC Fuji Photo Optical Co.: 2 patents #214 of 509Top 45%

FU Fujinon: 1 patents #170 of 339Top 55%

Overall (All Time): #1,596,348 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
7147333	Projector	—	2006-12-12
6567222	Lens barrel for use in zoom lens apparatus	—	2003-05-20
6361223	Lens barrel	—	2002-03-26