YH

Yoko Hirohara

TO Topcon: 3 patents #4 of 49Top 9%
Overall (2003): #18,891 of 273,478Top 7%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6629761 Eye characteristic measuring apparatus Toshifumi Mihashi, Yasufumi Fukuma 2003-10-07
6536900 Eye characteristic measuring apparatus Toshifumi Mihashi 2003-03-25
6525883 Optical characteristic measuring instrument Naoki Nakazawa, Toshifumi Mihashi 2003-02-25