Yoshitaka Torii

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical illuminating and observing apparatus
- Patent number 5,140,458
- Issue date Aug 18, 1992
- Kabushiki Kaisha Topcon
- Kazutoshi Takagi
- G02 - OPTICS
Information Patent Grant
Noncontact type tonometer
- Patent number 4,817,620
- Issue date Apr 4, 1989
- Tokyo Kogaku Kikai Kabushiki Kaisha
- Kenjiro Katsuragi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for determining refractive index of an object
- Patent number 4,632,528
- Issue date Dec 30, 1986
- Tokyo Kogaku Kikai Kabushiki Kaisha
- Hisakazu Yoshino
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE