Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YT

Yasuko Tsuruga

TOTopcon: 6 patents #139 of 684Top 25%
Overall (All Time): #869,415 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7850305 Apparatus and method for measuring spectrum image data of eyeground Yoko Hirohara, Tatsuo Yamaguchi, Toshifumi Mihashi, Hiroyuki Aoki 2010-12-14
7539340 Apparatus and method for three-dimensional coordinate measurement Nobuo Kochi 2009-05-26
7329867 Electron beam system and electron beam measuring and observing methods Nobuo Kochi, Hirotami Koike, Shinichi Okada 2008-02-12
7151258 Electron beam system and electron beam measuring and observing methods Nobuo Kochi, Hirotami Koike, Shinichi Okada 2006-12-19
6959227 Lens layout setting apparatus for lens grinding process and display apparatus for the same Hiroyuki Okada, Mitsuo Ishii, Jun Onose, Takahiro Watanabe, Toshihiro Iwai +1 more 2005-10-25
6751522 Lens layout setting apparatus for lens grinding process and display apparatus for the same Hiroyuki Okada, Mitsuo Ishii, Jun Onose, Takahiro Watanabe, Toshihiro Iwai +1 more 2004-06-15