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Patent applications and USPTO patent grants for Ootsubo; Ryouichi.The latest application filed is for "structure of air vent passage for sealed bag, sealed bag and method of manufacturing sealed bag".
Patent | Date |
---|---|
Structure of air vent passage for sealed bag, sealed bag and method of manufacturing sealed bag App 20100021092 - Ootsubo; Ryouichi ;   et al. | 2010-01-28 |
Process for producing compression bag and compression bag Grant 7,448,803 - Ootsubo November 11, 2 | 2008-11-11 |
Deaeration Valve for Compression Bag and Compression Bag with Deaeration Valve App 20070241023 - Ootsubo; Ryouichi ;   et al. | 2007-10-18 |
Process for producing compression bag and compression bag App 20050252816 - Ootsubo, Ryouichi | 2005-11-17 |
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