KK

Kenjiro Katsuragi

TO Topcon: 7 patents #118 of 684Top 20%
TK Tokyo Kogaku Kikai: 1 patents #65 of 143Top 50%
Overall (All Time): #669,339 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5469233 Ophthalmologic instrument 1995-11-21
5337095 Ophthalmological instrument Akira Tanabe 1994-08-09
5101826 Noncontact type tonometer 1992-04-07
5033841 Ophthalmological instrument Kouji Nishio, Hiroshi Iijima, Yoshihiko Hanamura 1991-07-23
5000181 Noncontact type tonometer 1991-03-19
4995393 Alignment apparatus of noncontact type tonometer Kouji Nishio 1991-02-26
4944303 Noncontact type tonometer 1990-07-31
4817620 Noncontact type tonometer Katsuhiko Kobayashi, Yoshitaka Torii 1989-04-04