Yoshinori Oana

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Lens-meter for measuring optical characteristics of optical lens
- Patent number 5,719,668
- Issue date Feb 17, 1998
- Kabushiki Kaisha Topcon
- Yoshinori Oana
- G01 - MEASURING TESTING
Information Patent Grant
Corneal configuration measuring apparatus
- Patent number 4,810,085
- Issue date Mar 7, 1989
- Tokyo Kogaku Kikai Kabushiki Kaisha
- Yasufumi Fukuma
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Opthalmological measuring apparatus
- Patent number 4,796,989
- Issue date Jan 10, 1989
- Tokyo Kogaku Kikai Kabushiki Kaisha
- Yasufumi Fukuma
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus for detecting the position of a patient's eye in ophthalm...
- Patent number 4,453,808
- Issue date Jun 12, 1984
- Tokyo Kogaku Kikai Kabushiki Kaisha
- Susumu Takahashi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Refractory power measuring device
- Patent number 4,408,847
- Issue date Oct 11, 1983
- Tokyo Kogaku Kikai Kabushiki Kaisha
- Shinji Wada
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus for measuring curvatures of a spherical surface
- Patent number 4,371,237
- Issue date Feb 1, 1983
- Tokyo Kogaku Kikai Kabushiki Kaisha
- Kiichi Kamiyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Vision testing instrument
- Patent number 4,299,455
- Issue date Nov 10, 1981
- Tokyo Kogaku Kikai Kabushiki Kaisha
- Mitsugu Aoki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus for detecting astigmatic axes and measuring refractive po...
- Patent number 4,293,199
- Issue date Oct 6, 1981
- Tokyo Kogaku Kikai Kakushiki Kaisha
- Shinzi Wada
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Yoshinori Oana

Person

Patents Grantslast 30 patents

Lens-meter for measuring optical characteristics of optical lens

Corneal configuration measuring apparatus

Opthalmological measuring apparatus

Apparatus for detecting the position of a patient's eye in ophthalm...

Refractory power measuring device

Apparatus for measuring curvatures of a spherical surface

Vision testing instrument

Apparatus for detecting astigmatic axes and measuring refractive po...