AI

Ayumu Ito

HT Hoya Lens Thailand: 13 patents #2 of 94Top 3%
SE Seiko Epson: 7 patents #2,406 of 7,774Top 35%
HP Hoya Lens Manufacturing Philippines: 4 patents #2 of 15Top 15%
EP Ehs Lens Philippines: 1 patents #11 of 15Top 75%
Overall (All Time): #158,938 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
12390100 Measuring method for measuring sensing capability of eye of subject, and setting method for progressive power lens Eiichiro YAMAGUCHI, Toshiaki Sonehara, Nagisa Ishihara 2025-08-19
12310662 Measuring method for measuring rotation characteristic of eyeball of subject and setting method for progressive power lens Nagisa Ishihara, Eiichiro YAMAGUCHI, Toshiaki Sonehara 2025-05-27
12124112 Method, manufacturing method, and design system for progressive power lens Eiichiro YAMAGUCHI, Toshiaki Sonehara 2024-10-22
11960149 Measurement method for visual behavior, design method and manufacturing method for progressive power lens Eiichiro YAMAGUCHI, Toshiaki Sonehara 2024-04-16
11681163 Pair of progressive power lenses and design method for the same Eiichiro YAMAGUCHI, Toshiaki Sonehara 2023-06-20
11428954 Designing method and producing method of pair of spectacle lenses, and pair of spectacle lenses Toshiaki Sonehara, Tadashi Kaga 2022-08-30
10642070 Progressive addition lens Tadashi Kaga, Toshihide Shinohara, Hiroshi Asami 2020-05-05
10578887 Pair of spectacle lenses for binocular vision, manufacturing method, supply system and supply program thereof Tadashi Kaga, Kazuma Kozu 2020-03-03
10578888 Pair of spectacle lenses for binocular vision, manufacturing method, supply system and supply program thereof Tadashi Kaga, Kazuma Kozu 2020-03-03
10545354 Designing method and designing device for progressive power lens Hiroshi Asami 2020-01-28
10401650 Spectacle lens, manufacturing method, supply system, and supply program thereof Tadashi Kaga, Kazuma Kozu 2019-09-03
10401649 Method of designing progressive refractive power lens, and lens set Hiroshi Asami 2019-09-03
10288903 Progressive addition lens Tadashi Kaga, Toshihide Shinohara, Hiroshi Asami 2019-05-14
9746694 Lens set, method of designing lens and method of manufacturing lens Toshihide Shinohara, Tadashi Kaga, Takateru Mori 2017-08-29
9022559 Progressive-power lens designing method, progressive power lens designing system, and progressive-power lens Yohei Suzuki, Takateru Mori 2015-05-05
8960900 Progressive-power lens Kazutoshi Kato, Yohei Suzuki, Toshihide Shinohara, Tadashi Kaga 2015-02-24
8807746 Spectacle lens, spectacles, and method for manufacturing spectacle lens Kazutoshi Kato 2014-08-19
8550622 Progressive power lens and progressive power lens design method Takateru Mori, Kazutoshi Kato 2013-10-08
8090628 Lens order system, lens order method, lens order program and recording medium storing the lens order program Toshihide Shinohara, Tadashi Kaga 2012-01-03
8082188 Lens order system, lens order method, lens order program and recording medium storing the lens order program Toshihide Shinohara, Tadashi Kaga 2011-12-20
7874673 Progressive power lens and method of designing the same Toshihide Shinohara, Tadashi Kaga, Moriyasu Shirayanagi 2011-01-25
7717559 Method for designing spectacle lens, and spectacles Tadashi Kaga 2010-05-18
7527376 Method for designing spectacle lens, spectacle lens, and spectacles Kaoru Kamishita, Tadashi Kaga 2009-05-05
7267436 Manufacturing method of spectacle lens, marking apparatus, marking system and spectacle lens Daisuke Sawaki 2007-09-11
7167771 Spectacle lens manufacturing system, method of manufacturing spectacle lens, program and recording medium therefor 2007-01-23