Inventor
KAGA TADASHI
JP39 patents
⚠️ This page may combine multiple inventors who share the name “KAGA TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
16 patentsUS6199983B1Mar 13, 2001
Apparatus and method for manufacturing a progressive multi-focal lens
SEIKO EPSON CORP78 citations96
US5926250AJul 20, 1999
Multifocal lens for eyeglass and eyeglass lens
SEIKO EPSON CORP61 citations96
US8042942B2Oct 25, 2011
Progressive-power lens
SEIKO EPSON CORP16 citations92
US7874673B2Jan 25, 2011
Progressive power lens and method of designing the same
SEIKO EPSON CORP22 citations92
US5886766AMar 23, 1999
Progressive multifocal lens and manufacturing method therefor
SEIKO EPSON CORP27 citations92
US7070274B2Jul 4, 2006
Spectacle lens
SEIKO EPSON CORP22 citations90
US7527376B2May 5, 2009
Method for designing spectacle lens, spectacle lens, and spectacles
SEIKO EPSON CORP12 citations81
US7717559B2May 18, 2010
Method for designing spectacle lens, and spectacles
SEIKO EPSON CORP7 citations73
US7159982B2Jan 9, 2007
Method for providing design data and system for providing design data
SEIKO EPSON CORP9 citations73
US7762663B2Jul 27, 2010
Spectacle lens design method
SEIKO EPSON CORP2 citations63
US7422325B2Sep 9, 2008
Method of designing a spectacle lens
SEIKO EPSON CORP3 citations63
US7175277B2Feb 13, 2007
Generation system of design data, generation method of design data, recording medium and program
SEIKO EPSON CORP4 citations63
US7125118B2Oct 24, 2006
Progressive multifocal lens and method of designing the same
SEIKO EPSON CORP7 citations63
US7048376B2May 23, 2006
Progressive addition power lens
SEIKO EPSON CORP4 citations63
US6851806B2Feb 8, 2005
Progressive multifocal lens and method of designing the same
SEIKO EPSON CORP2 citations63
US5745211AApr 28, 1998
Progressive power lens and eye glass lens
SEIKO EPSON CORP4 citations62
HOYA LENS THAILAND LTD
8 patentsUS12140821B2Nov 12, 2024
Progressive addition lens and design method therefor
HOYA LENS THAILAND LTD0 citations62
US12399385B2Aug 26, 2025
Progressive power lens and designing method thereof
HOYA LENS THAILAND LTD0 citations52
US12124114B2Oct 22, 2024
System of progressive addition lens, design method of progressive addition lens, and progressive addition lens group
HOYA LENS THAILAND LTD0 citations52
US12078873B2Sep 3, 2024
Method for designing progressive addition lens, system for designing progressive addition lens, and progressive addition lens group
HOYA LENS THAILAND LTD0 citations52
US12099260B2Sep 24, 2024
Progressive addition lens and design method therefor
HOYA LENS THAILAND LTD0 citations51
US11428954B2Aug 30, 2022
Designing method and producing method of pair of spectacle lenses, and pair of spectacle lenses
HOYA LENS THAILAND LTD0 citations51
US10642070B2May 5, 2020
Progressive addition lens
HOYA LENS THAILAND LTD0 citations41
US10401650B2Sep 3, 2019
Spectacle lens, manufacturing method, supply system, and supply program thereof
HOYA LENS THAILAND LTD0 citations41
KAGA TADASHI
5 patentsUS8147062B2Apr 3, 2012
Progressive-power lens
KAGA TADASHI15 citations91
US10578888B2Mar 3, 2020
Pair of spectacle lenses for binocular vision, manufacturing method, supply system and supply program thereof
KAGA TADASHI1 citations60
US8678585B2Mar 25, 2014
Progressive-power lens
KAGA TADASHI0 citations51
US10288903B2May 14, 2019
Progressive addition lens
KAGA TADASHI0 citations40
US10578887B2Mar 3, 2020
Pair of spectacle lenses for binocular vision, manufacturing method, supply system and supply program thereof
KAGA TADASHI0 citations39
SHINOHARA TOSHIHIDE
3 patentsUS8090628B2Jan 3, 2012
Lens order system, lens order method, lens order program and recording medium storing the lens order program
SHINOHARA TOSHIHIDE18 citations83
US9581831B2Feb 28, 2017
Optical lens, method for designing optical lens, and apparatus for manufacturing optical lens
SHINOHARA TOSHIHIDE2 citations71
US8082188B2Dec 20, 2011
Lens order system, lens order method, lens order program and recording medium storing the lens order program
SHINOHARA TOSHIHIDE6 citations62