Ryuichiro Yoda

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Closing plug of a defect for medical use and a closing plug device...
- Patent number 5,192,301
- Issue date Mar 9, 1993
- Nippon Zeon Co., Ltd.
- Tetsuro Kamiya
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Thromboresistant polyetherurethane compounds and process for its pr...
- Patent number 5,061,777
- Issue date Oct 29, 1991
- Nippon Zeon Co., Ltd.
- Ryuichiro Yoda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Wound dressing
- Patent number 4,997,425
- Issue date Mar 5, 1991
- Nippon Zeon Co., Ltd.
- Nobuyuki Shioya
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE