Hideki Hatanaka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Corneal shape measuring apparatus
- Patent number 5,694,197
- Issue date Dec 2, 1997
- Kabushiki Kaisha Topcon
- Hisashi Tsukada
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Intraocular length measuring instrument capable of avoiding errors...
- Patent number 5,387,951
- Issue date Feb 7, 1995
- Kabushiki Kaisha Topcon
- Hideki Hatanaka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Intraocular length measuring instrument
- Patent number 5,141,302
- Issue date Aug 25, 1992
- Kabushiki Kaisha Topcon
- Akihiro Arai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE