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Muraki; Tomoyasu
Tokyo, JP
No. of patents:

Patent Number Title Of Patent Date Issued
6822015 Rubber composition used for a rubber stopper for a medicament or for a medical treatment or its November 23, 2004
The object of the invention is to provide a rubber composition or its crosslinked product used for a rubber stopper for a medicament or a rubber article for a medical treatment, suitable for radiation treatments to be carried out for the purpose of sterilizing.Accordingly, the present in
6645635 Laminated rubber stopper for a medicament vial November 11, 2003
The present invention aims at providing an improved thermoplastic film-laminated rubber stopper for a medicament vial, having more sufficient and excellent sealing property as well as barrier effect of permeation, in which the whole lower surface or the whole lower surface and a part
6090081 Sealing stopper for a syringe and a prefilled syringe July 18, 2000
There can be provided a sealing stopper for a syringe, having very high sealing property and sliding property, and a prefilled syringe using this sealing stopper and capable of preserving a medicament for a long time and operating in easy and precise manner during injecting. This syringe

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