Hisanobu Obara

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Himeji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for production of water absorbent resin
- Patent number 6,251,960
- Issue date Jun 26, 2001
- Nippon Shokubai Co., Ltd.
- Kunihiko Ishizaki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Absorbent resin, absorbent material and method of manufacturing the...
- Patent number 6,001,911
- Issue date Dec 14, 1999
- Nippon Shikubai Co., Ltd.
- Kunihiko Ishizaki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Water-absorbent resin, process for production thereof, and water-ab...
- Patent number 5,985,944
- Issue date Nov 16, 1999
- Nippon Shokubai Co., Ltd.
- Kunihiko Ishizaki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE