YE

Yasuhito Eto

TO Topcon: 8 patents #103 of 684Top 20%
Overall (All Time): #584,898 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6984161 Lens grinding processing apparatus Yasuo Suzuki, Yoshimasa Ogawa 2006-01-10
6945848 Lens shape data processing apparatus and lens grinding machine having the same apparatus Takahiro Watanabe, Yoshiyuki Hatano, Takumi Uchiyama, Toshihiro Iwai, Kenichi Watanabe 2005-09-20
6748831 Pliers for suction cup 2004-06-15
6742272 Lens shape measuring apparatus Yoshiyuki Hatano, Takeshi Nakamura 2004-06-01
6672944 Initial position setting method for grinding device Kenichi Watanabe, Yoshiyuki Hatano 2004-01-06
6648738 Grinding fluid supply device of lens grinding apparatus Kenichi Watanabe, Yoshiyuki Hatano 2003-11-18
6170321 Apparatus for displaying a contour of a lens-shaped template Yasuo Suzuki, Kenichi Watanabe 2001-01-09
6006592 Apparatus for measuring the contour of a lens-shaped template formed to be fit in a lens frame of an eyeglass frame Yasuo Suzuki, Kenichi Watanabe 1999-12-28
5959199 Apparatus for measuring the contour of a lens-shaped template formed to be fit in a lens frame of an eyeglass frame Yasuo Suzuki, Kenichi Watanabe 1999-09-28