Katsuhiko Hoshina

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Test strip for measuring tear production
- Patent number 5,170,799
- Issue date Dec 15, 1992
- Showa Yakuhin Kako Co., Ltd.
- Makoto Nagase
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for measuring tear production
- Patent number 5,135,005
- Issue date Aug 4, 1992
- Showa Yakuhin Kako Co., Ltd.
- Makoto Nagase
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE