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Patent applications and USPTO patent grants for Otawa; Kazuhiko.The latest application filed is for "separator for fuel cell and process for producing the same".
Patent | Date |
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Separator for Fuel Cell and Process for Producing the Same App 20100159357 - Otawa; Kazuhiko ;   et al. | 2010-06-24 |
Separator for fuel cell and process for producing the same App 20090130534 - Otawa; Kazuhiko ;   et al. | 2009-05-21 |
Fuel cell separator App 20060172175 - Otawa; Kazuhiko ;   et al. | 2006-08-03 |
Fuel cell separator Grant 7,033,692 - Otawa , et al. April 25, 2 | 2006-04-25 |
Fuel cell separator and production method therefor Grant 7,029,783 - Otawa , et al. April 18, 2 | 2006-04-18 |
Separator for a fuel cell and manufacturing method of the separator Grant 6,864,008 - Otawa , et al. March 8, 2 | 2005-03-08 |
Separator for a fuel cell and manufacturing method of the separator App 20020146613 - Otawa, Kazuhiko ;   et al. | 2002-10-10 |
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