Inventor

SONE KOUJI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “SONE KOUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI CHEMICALS INC

2 patents

US9541774B2Jan 10, 2017

Control device for variable focus lenses, control method for variable focus lenses, and electronic glasses

MITSUI CHEMICALS INC8 citations78

US8979262B2Mar 17, 2015

Semi-finished blank for varifocal lens, varifocal lens, and varifocal eyeglasses

MITSUI CHEMICALS INC0 citations33

SONE KOUJI

1 patent

US8517534B2Aug 27, 2013

Semi-finished blank for varifocal lens, varifocal lens made from this blank, and varifocal eyeglasses featuring this lens

SONE KOUJI17 citations74