Toua Kokyu Tugitevarubu Seizo Co., Ltd.

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of fusion welding resin articles difficult to melt
- Patent number 5,779,843
- Issue date Jul 14, 1998
- Toua Kokyu Tugitevarubu Seizo Co. Ltd
- Masaru Kumagai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of welding plastics sheets together and a joint used therein
- Patent number 5,743,989
- Issue date Apr 28, 1998
- Toua Kokyu Tugitevarubu Seizo Co., Ltd.
- Masaru Kumagai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of automatically controlling the fusion process between ther...
- Patent number 5,500,510
- Issue date Mar 19, 1996
- Toua Kokyu Tugitevarubu Seizo Co.
- Masaru Kumagai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

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