KH

Kiwami Horiguchi

TK Tokyo Kogaku Kikai: 5 patents #17 of 143Top 15%
TO Topcon: 2 patents #309 of 684Top 50%
Overall (All Time): #758,880 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6563574 Surveying apparatus Fumio Ohtomo, Hitoshi Ohtani 2003-05-13
4917480 Eye refractive power measuring apparatus Yasuo Kato, Ikuo Kitao, Yoshihiro Takahashi 1990-04-17
4848895 Automatic eye refractive power measuring apparatus Yasuo Kato, Shinji Wada, Ikuo Kitao 1989-07-18
4744648 Eye refractive power measuring apparatus Yasuo Kato, Yasufumi Fukuma, Kiichi Kamiyama 1988-05-17
4626089 Ophthalmic instrument having a focus detecting system Susumu Takahashi 1986-12-02
4591247 Eye refractometer Minoru Kamiya, Masayuki Masuyama, Ikuo Kitao, Shinji Wada 1986-05-27
4591249 Exposure control system for ophthalmic photographing apparatus Susumu Takahashi 1986-05-27