Inventor · disambiguated record
Tadashi Kaga
Also filed as: KAGA TADASHI
38 granted patents·13 pending applications·328 citations·filing 1995–2023
97Inventor score
Files withSEIKO EPSON CORP19HOYA LENS THAILAND LTD11KAGA TADASHI5HONDA MOTOR CO LTD4SHINOHARA TOSHIHIDE3
Top patents by PatentIndex Score
51 records- 0188US8042942B2Progressive-power lensSEIKO EPSON CORP·Filed 2010·Granted Oct 25, 2011·16 cites·4 claims
- 0288US7874673B2Progressive power lens and method of designing the sameSEIKO EPSON CORP·Filed 2010·Granted Jan 25, 2011·22 cites·10 claims
- 0386US8090628B2Lens order system, lens order method, lens order program and recording medium storing the lens order programSHINOHARA TOSHIHIDE·Filed 2007·Granted Jan 3, 2012·18 cites·20 claims
- 0486US6199983B1Apparatus and method for manufacturing a progressive multi-focal lensSEIKO EPSON CORP·Filed 1997·Granted Mar 13, 2001·78 cites·12 claims
- 0582US5926250AMultifocal lens for eyeglass and eyeglass lensSEIKO EPSON CORP·Filed 1996·Granted Jul 20, 1999·61 cites·8 claims
- 0681US8147062B2Progressive-power lensKAGA TADASHI·Filed 2006·Granted Apr 3, 2012·15 cites·3 claims
- 0780US7070274B2Spectacle lensSEIKO EPSON CORP·Filed 2005·Granted Jul 4, 2006·22 cites·18 claims
- 0878US8082188B2Lens order system, lens order method, lens order program and recording medium storing the lens order programSHINOHARA TOSHIHIDE·Filed 2007·Granted Dec 20, 2011·6 cites·7 claims
- 0972US7527376B2Method for designing spectacle lens, spectacle lens, and spectaclesSEIKO EPSON CORP·Filed 2007·Granted May 5, 2009·12 cites·6 claims
- 1071US7159982B2Method for providing design data and system for providing design dataSEIKO EPSON CORP·Filed 2005·Granted Jan 9, 2007·9 cites·20 claims
- 1168US7717559B2Method for designing spectacle lens, and spectaclesSEIKO EPSON CORP·Filed 2008·Granted May 18, 2010·7 cites·5 claims
- 1267US2009248377A1Simulation Apparatus, Simulation Program, and Recording Medium Recorded with Simulation ProgramSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 1366US7422325B2Method of designing a spectacle lensSEIKO EPSON CORP·Filed 2006·Granted Sep 9, 2008·3 cites·6 claims
- 1466US7175277B2Generation system of design data, generation method of design data, recording medium and programSEIKO EPSON CORP·Filed 2005·Granted Feb 13, 2007·4 cites·14 claims
- 1563US9581831B2Optical lens, method for designing optical lens, and apparatus for manufacturing optical lensSHINOHARA TOSHIHIDE·Filed 2012·Granted Feb 28, 2017·2 cites·10 claims
- 1661US10578888B2Pair of spectacle lenses for binocular vision, manufacturing method, supply system and supply program thereofKAGA TADASHI·Filed 2015·Granted Mar 3, 2020·1 cites·22 claims
- 1761US7631969B2Combined spectacle lens, auxiliary lens, and method of edging lensesSEIKO EPSON CORP HQ·Filed 2006·Granted Dec 15, 2009·5 cites·12 claims
- 1861US2025231425A1Electrochromic element, lens for spectacles, spectacles, and method of producing electrochromic elementHOYA LENS THAILAND LTD·Filed 2023·Application pending·0 cites
- 1961US2025284141A1Electrochromic element, lens for spectacles, spectacles, and moldHOYA LENS THAILAND LTD·Filed 2023·Application pending·0 cites
- 2060US5886766AProgressive multifocal lens and manufacturing method thereforSEIKO EPSON CORP·Filed 1996·Granted Mar 23, 1999·27 cites·18 claims
- 2159US12140821B2Progressive addition lens and design method thereforHOYA LENS THAILAND LTD·Filed 2019·Granted Nov 12, 2024·0 cites·9 claims
- 2258US8833938B2Progressive-power spectacle lens design methodWADA OSAMU·Filed 2011·Granted Sep 16, 2014·1 cites·4 claims
- 2357US12099260B2Progressive addition lens and design method thereforHOYA LENS THAILAND LTD·Filed 2019·Granted Sep 24, 2024·0 cites·9 claims
- 2455US7762663B2Spectacle lens design methodSEIKO EPSON CORP·Filed 2007·Granted Jul 27, 2010·2 cites·6 claims
- 2555US2023314526A1Availability determination apparatus, availability determination method, and programHONDA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 2653US12399385B2Progressive power lens and designing method thereofHOYA LENS THAILAND LTD·Filed 2021·Granted Aug 26, 2025·0 cites·5 claims
- 2753US12140639B2Measurement device, measurement method, and storage mediumHONDA MOTOR CO LTD·Filed 2023·Granted Nov 12, 2024·0 cites·3 claims
- 2853US7125118B2Progressive multifocal lens and method of designing the sameSEIKO EPSON CORP·Filed 2004·Granted Oct 24, 2006·7 cites·8 claims
- 2953US2023314525A1Battery state measurement methodHONDA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 3051US12124114B2System of progressive addition lens, design method of progressive addition lens, and progressive addition lens groupHOYA LENS THAILAND LTD·Filed 2019·Granted Oct 22, 2024·0 cites·9 claims
- 3151US12078873B2Method for designing progressive addition lens, system for designing progressive addition lens, and progressive addition lens groupHOYA LENS THAILAND LTD·Filed 2020·Granted Sep 3, 2024·0 cites·3 claims
- 3251US11428954B2Designing method and producing method of pair of spectacle lenses, and pair of spectacle lensesHOYA LENS THAILAND LTD·Filed 2019·Granted Aug 30, 2022·0 cites·9 claims
- 3350US8678585B2Progressive-power lensKAGA TADASHI·Filed 2012·Granted Mar 25, 2014·0 cites·12 claims
- 3449US8684523B2Spectacle lens, spectacle lens design method, and design apparatusWADA OSAMU·Filed 2012·Granted Apr 1, 2014·0 cites·10 claims
- 3549US7048376B2Progressive addition power lensSEIKO EPSON CORP·Filed 2003·Granted May 23, 2006·4 cites·12 claims
- 3648US2022214563A1Spectacle lens design system, spectacle lens design method, and spectacle lens design programHOYA LENS THAILAND LTD·Filed 2020·Application pending·0 cites
- 3747US2010179799A1Simulation Device, Simulation Program, and Recording Medium Storing Simulation ProgramSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 3846US2009228810A1Simulation apparatus, simulation program, and recording medium on which simulation program is recordedSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 3945US6851806B2Progressive multifocal lens and method of designing the sameSEIKO EPSON CORP·Filed 2003·Granted Feb 8, 2005·2 cites·24 claims
- 4045US2023318339A1Pulse extraction device, pulse extraction method, and programHONDA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 4144US10288903B2Progressive addition lensKAGA TADASHI·Filed 2015·Granted May 14, 2019·0 cites·13 claims
- 4243US10401650B2Spectacle lens, manufacturing method, supply system, and supply program thereofHOYA LENS THAILAND LTD·Filed 2015·Granted Sep 3, 2019·0 cites·17 claims
- 4342US8960900B2Progressive-power lensKATO KAZUTOSHI·Filed 2012·Granted Feb 24, 2015·0 cites·4 claims
- 4441US9746694B2Lens set, method of designing lens and method of manufacturing lensEHS LENS PHILIPPINES INC·Filed 2013·Granted Aug 29, 2017·0 cites·3 claims
- 4541US2014146283A1Progressive power lens and design method for the progressive power lensHOYA LENS MFG PHILIPPINES INC·Filed 2013·Application pending·0 cites
- 4640US10578887B2Pair of spectacle lenses for binocular vision, manufacturing method, supply system and supply program thereofKAGA TADASHI·Filed 2015·Granted Mar 3, 2020·0 cites·22 claims
- 4740US2011317127A1Progressive Power Eyeglass Lens and Design Method ThereofSUZUKI YOHEI·Filed 2011·Application pending·0 cites
- 4840US2012229755A1Progressive-Power LensKATO KAZUTOSHI·Filed 2012·Application pending·0 cites
- 4939US10642070B2Progressive addition lensHOYA LENS THAILAND LTD·Filed 2015·Granted May 5, 2020·0 cites·8 claims
- 5039US2015055083A1Progressive addition lens and method for designing progressive addition lensHOYA LENS MFG PHILIPPINES INC·Filed 2013·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →