CY

Chikara Yamamoto

FC Fuji Photo Optical Co.: 7 patents #2 of 122Top 2%
PE Pentax: 1 patents #91 of 191Top 50%
Overall (2002): #3,200 of 266,432Top 2%
8
Patents 2002

Issued Patents 2002

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6480340 Zoom lens 2002-11-12
6469836 Eyepiece Hitoshi Miyano 2002-10-22
6454440 Illumination apparatus and projection type display apparatus using the same 2002-09-24
6402325 Illuminating optical system having multiple light sources and lenticular arrays for use with a projection-type display unit 2002-06-11
6383131 Stereoscopic endoscope Hitoshi Miyano 2002-05-07
6354704 Progressive power spectacle lens 2002-03-12
6353504 Objective lens for endoscope 2002-03-05
6337759 Polarization converter and projection-type display device using the same 2002-01-08