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Patent applications and USPTO patent grants for Koga; Hiromi.The latest application filed is for "vacuum interrupter".
Patent | Date |
---|---|
Vacuum interrupter Grant 7,173,208 - Harada , et al. February 6, 2 | 2007-02-06 |
Vacuum interrupter App 20060124600 - Harada; Takakazu ;   et al. | 2006-06-15 |
Air purification-functioning road and method for purifying polluted air over road Grant 6,699,577 - Nonoyama , et al. March 2, 2 | 2004-03-02 |
Air Purification-functioning Road And Method For Purifying Polluted Air Over Road App 20030129412 - NONOYAMA, NOBORU ;   et al. | 2003-07-10 |
Vacuum switch including windmill-shaped electrodes Grant 6,479,778 - Kimura , et al. November 12, 2 | 2002-11-12 |
Gas-insulated switchgear App 20020054474 - Koga, Hiromi ;   et al. | 2002-05-09 |
Hydrogen lithium titanate and manufacturing method therefor Grant 6,139,815 - Atsumi , et al. October 31, 2 | 2000-10-31 |
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