Sumio Kuriyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Interdental tooth cleaning appliance
- Patent number 4,828,420
- Issue date May 9, 1989
- Nippon Shiken Kogyo Co., Ltd.
- Masasuke Otsuka
- A46 - BRUSHWARE
Information Patent Grant
Device for iontophoretic application of fluoride on tooth
- Patent number 4,149,533
- Issue date Apr 17, 1979
- Matsushita Electric Industrial Co., Ltd.
- Tatsuya Ishikawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE