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Patent applications and USPTO patent grants for KOIZUMI; Akihiro.The latest application filed is for "separator for fuel cells and method for producing same".
Patent | Date |
---|---|
Separator For Fuel Cells And Method For Producing Same App 20190341630 - ANDO; Hitoshi ;   et al. | 2019-11-07 |
Network system, network management server, and OAM test method Grant 8,976,681 - Ozawa , et al. March 10, 2 | 2015-03-10 |
Network system and management server Grant 8,862,939 - Ozawa , et al. October 14, 2 | 2014-10-14 |
Management Method For Network System, Network System, And Management Server App 20130111036 - Ozawa; Yoji ;   et al. | 2013-05-02 |
Apparatus and system for estimating network configuration Grant 8,356,093 - Koizumi , et al. January 15, 2 | 2013-01-15 |
Network System And Management Server App 20120233503 - OZAWA; Yoji ;   et al. | 2012-09-13 |
Network System, Network Management Server, and OAM Test Method App 20120051263 - OZAWA; Yoji ;   et al. | 2012-03-01 |
Apparatus And System For Estimating Network Configuration App 20110093579 - KOIZUMI; Akihiro ;   et al. | 2011-04-21 |
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