Ryochi Ohtsuka

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Toyohashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Packaging films
- Patent number 6,465,109
- Issue date Oct 15, 2002
- Aicello Chemical Co., Ltd.
- Ryochi Ohtsuka
- B32 - LAYERED PRODUCTS
Information Patent Grant
Corrosion inhibiting laminate sheets and containers
- Patent number 5,840,381
- Issue date Nov 24, 1998
- Aicello Chemical Co., Ltd.
- Ryochi Ohtsuka
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
Packaging films
- Publication number 20010033939
- Publication date Oct 25, 2001
- Ryochi Ohtsuka
- B32 - LAYERED PRODUCTS