Ryouichi Matsushima

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Ibaraki-shi, JP

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Patents Applicationslast 30 patents

Information Patent Application
METHOD OF PRODUCING POROUS SHEET AND POROUS SHEET OBTAINED BY THE P...
- Publication number 20110052872
- Publication date Mar 3, 2011
- Hiroyuki Iida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method of producing porous sheet and porous sheet obtained by the p...
- Publication number 20070202298
- Publication date Aug 30, 2007
- Hiroyuki Iida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL