TK

Tadashi Kaga

SE Seiko Epson: 20 patents #903 of 7,774Top 15%
HT Hoya Lens Thailand: 11 patents #4 of 94Top 5%
HP Hoya Lens Manufacturing Philippines: 4 patents #2 of 15Top 15%
EP Ehs Lens Philippines: 2 patents #6 of 15Top 40%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Overall (All Time): #85,074 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
12399385 Progressive power lens and designing method thereof 2025-08-26
12140821 Progressive addition lens and design method therefor Hiroshi Asami, Yasunori Izawa 2024-11-12
12140639 Measurement device, measurement method, and storage medium Yuki Tominaga, Mao Hori 2024-11-12
12124114 System of progressive addition lens, design method of progressive addition lens, and progressive addition lens group 2024-10-22
12099260 Progressive addition lens and design method therefor Hiroshi Asami, Yasunori Izawa 2024-09-24
12078873 Method for designing progressive addition lens, system for designing progressive addition lens, and progressive addition lens group 2024-09-03
11428954 Designing method and producing method of pair of spectacle lenses, and pair of spectacle lenses Ayumu Ito, Toshiaki Sonehara 2022-08-30
10642070 Progressive addition lens Toshihide Shinohara, Ayumu Ito, Hiroshi Asami 2020-05-05
10578887 Pair of spectacle lenses for binocular vision, manufacturing method, supply system and supply program thereof Ayumu Ito, Kazuma Kozu 2020-03-03
10578888 Pair of spectacle lenses for binocular vision, manufacturing method, supply system and supply program thereof Ayumu Ito, Kazuma Kozu 2020-03-03
10401650 Spectacle lens, manufacturing method, supply system, and supply program thereof Ayumu Ito, Kazuma Kozu 2019-09-03
10288903 Progressive addition lens Toshihide Shinohara, Ayumu Ito, Hiroshi Asami 2019-05-14
9746694 Lens set, method of designing lens and method of manufacturing lens Toshihide Shinohara, Ayumu Ito, Takateru Mori 2017-08-29
9581831 Optical lens, method for designing optical lens, and apparatus for manufacturing optical lens Toshihide Shinohara, Takateru Mori 2017-02-28
8960900 Progressive-power lens Kazutoshi Kato, Yohei Suzuki, Ayumu Ito, Toshihide Shinohara 2015-02-24
8833938 Progressive-power spectacle lens design method Osamu Wada 2014-09-16
8684523 Spectacle lens, spectacle lens design method, and design apparatus Osamu Wada, Hiroshi Asami 2014-04-01
8678585 Progressive-power lens Toshihide Shinohara 2014-03-25
8147062 Progressive-power lens Toshihide Shinohara 2012-04-03
8090628 Lens order system, lens order method, lens order program and recording medium storing the lens order program Toshihide Shinohara, Ayumu Ito 2012-01-03
8082188 Lens order system, lens order method, lens order program and recording medium storing the lens order program Toshihide Shinohara, Ayumu Ito 2011-12-20
8042942 Progressive-power lens Toshihide Shinohara 2011-10-25
7874673 Progressive power lens and method of designing the same Toshihide Shinohara, Ayumu Ito, Moriyasu Shirayanagi 2011-01-25
7762663 Spectacle lens design method 2010-07-27
7717559 Method for designing spectacle lens, and spectacles Ayumu Ito 2010-05-18