Keizou Kawahara

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Patents Applicationslast 30 patents

Information Patent Application
EASY-TO-TEAR STRETCHED ALIPHATIC POLYESTER FILM
- Publication number 20090152095
- Publication date Jun 18, 2009
- Toyo Boseki Kabushiki Kaisha
- Keizou Kawahara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Easy-to-tear stretched aliphatic-polyester film
- Publication number 20050106345
- Publication date May 19, 2005
- TOYO BOSEKI KABUSH IKI KAISHA
- Keizou Kawahara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Refrigerator having alarm device for alarming leakage of refrigerant
- Publication number 20050103029
- Publication date May 19, 2005
- Keizou Kawahara
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...