Hideyo Maniwa

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Yokohama-shi, Kanagawa-ken, 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
Low-carat corrosion-resistant gold alloy with the skin of the alloy...
- Patent number 4,411,863
- Issue date Oct 25, 1983
- Masasuke Otsuka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE