Inventor
KOZU KAZUMA
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KOZU KAZUMA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOYA CORP
7 patentsUS8376546B2Feb 19, 2013
Progressive-addition lens, method for preparing shape data thereof, method for manufacturing the lens, and apparatus and computer program product for preparing such shape data
HOYA CORP19 citations91
US9778486B2Oct 3, 2017
Method of compiling shape data of a spectacle lens, spectacle lens shape data compiling device and spectacle lens
HOYA CORP6 citations83
US9753307B2Sep 5, 2017
Spectacle lens, manufacturing method thereof and lens supply system
HOYA CORP0 citations41
US10330952B2Jun 25, 2019
Spectacle lenses
HOYA CORP0 citations40
US8386203B2Feb 26, 2013
Method and device for evaluating graduated refraction power lens and method for manufacturing graduated refraction power lens
HOYA CORP0 citations40
US9638937B2May 2, 2017
Spectacle lens, and method for designing spectacle lens, manufacturing method and manufacturing system of the spectacle lens
HOYA CORP0 citations39
US8974058B2Mar 10, 2015
Eyeglass lens and design method, manufacturing method and design system for eyeglass lens
HOYA CORP0 citations39
KOZU KAZUMA
4 patentsUS8814353B2Aug 26, 2014
Method of compiling shape data of a spectacle lens, spectacle lens shape data compiling device and spectacle lens
KOZU KAZUMA8 citations82
US8100529B2Jan 24, 2012
Progressive-addition lens
KOZU KAZUMA13 citations81
US10302965B2May 28, 2019
Progressive addition lens, design method and manufacturing method therefor, and progressive addition lens manufacturing system
KOZU KAZUMA0 citations49
US8285505B2Oct 9, 2012
Lens evaluation method, lens evaluation device, lens manufacturing method, and lens characteristic display method
KOZU KAZUMA0 citations39
HOYA LENS THAILAND LTD
3 patentsUS12007627B2Jun 11, 2024
Method, manufacturing method, and design system of progressive addition lens, and progressive addition lens
HOYA LENS THAILAND LTD0 citations50
US10401650B2Sep 3, 2019
Spectacle lens, manufacturing method, supply system, and supply program thereof
HOYA LENS THAILAND LTD0 citations41
US10203523B2Feb 12, 2019
Progressive power lens
HOYA LENS THAILAND LTD0 citations41
KAGA TADASHI
2 patentsUS10578888B2Mar 3, 2020
Pair of spectacle lenses for binocular vision, manufacturing method, supply system and supply program thereof
KAGA TADASHI1 citations60
US10578887B2Mar 3, 2020
Pair of spectacle lenses for binocular vision, manufacturing method, supply system and supply program thereof
KAGA TADASHI0 citations39