Assignee

KOUSAKA MASAHISA

JP2 patents

Top patents by PatentIndex Score

US8398235B2Mar 19, 2013

Plastic lens for spectacles, process for producing the same, and coating liquid applicator for use in the process

KOUSAKA MASAHISA2 citations59

US9193831B2Nov 24, 2015

Urethane-based optical component and manufacturing process therefor

KOUSAKA MASAHISA3 citations58