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Patent applications and USPTO patent grants for Homma; Hotaka.The latest application filed is for "low- contact-resistance interface structure between separator and carbon material for fuel cell, separator and carbon material used therein, and production method for stainless steel separator for fuel cell".
Patent | Date |
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Grain-oriented electrical steel sheet extremely excellent in film adhesiveness and method for producing the same Grant 7,291,230 - Homma , et al. November 6, 2 | 2007-11-06 |
Low- contact-resistance interface structure between separator and carbon material for fuel cell, separator and carbon material used therein, and production method for stainless steel separator for fuel cell App 20060147784 - Kihira; Hiroshi ;   et al. | 2006-07-06 |
Directional hot rolled magnetic steel sheet or strip with high adherence to coating and process for producing the same App 20050126659 - Homma, Hotaka ;   et al. | 2005-06-16 |
Low-contact-resistance interface structure between separator and carbon material for fuel cell, separator and carbon material used therein, and production method for stainless steel separator for fuel cell App 20040048134 - Kihira, Hiroshi ;   et al. | 2004-03-11 |
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