TY

Tetsuma Yamakaji

HO Hoya: 15 patents #58 of 1,290Top 5%
📍 Shinjuku, JP: #23 of 337 inventorsTop 7%
Overall (All Time): #322,188 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
9664591 Eyeglass lens evaluation method, eyeglass lens design method, eyeglass lens manufacturing method, eyeglass lens manufacturing system, and eyeglass lens 2017-05-30
9242889 Method of manufacturing formed article, glass material, and method of determining shape of glass material and mold Mikio Chisha, Masaaki Matsushima, Noriaki Taguchi 2016-01-26
8967798 Method for evaluating eyeglass lens, method for designing eyeglass lens, and method for manufacturing eyeglass lens 2015-03-03
8474975 Spectacle lens evaluating method, spectacle lens designing method using same, spectacle lens manufacturing method, spectacle lens manufacturing system, and spectacle lens 2013-07-02
8393732 Spectacle lens evaluating method, spectacle lens designing method using same, spectacle lens manufacturing method, spectacle lens manufacturing system, and spectacle lens 2013-03-12
8226230 Spectacle lens evaluating method, spectacle lens designing method using same, spectacle lens manufacturing method, spectacle lens manufacturing system, and spectacle lens 2012-07-24
7566133 Designing method of optical system 2009-07-28
7488075 Designing method of optical system 2009-02-10
7309124 Method for indicating optical performance of spectacle lens 2007-12-18
7108373 Spectacle lens designing method and spectacle lens 2006-09-19
6871955 Spectacle lens and manufacturing method therefor Takashi Hatanaka 2005-03-29
6811260 Eyeglass lens designing method and eyeglass lens 2004-11-02
6637880 Spectacle lens and manufacturing method therefor Takashi Hatanaka 2003-10-28
5917119 Method for deciding parameters for dyeing lenses and method for producing colored lenses 1999-06-29
5825454 Aspherical spectacle lens Hua Qi, Atsuo Minato 1998-10-20