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Patent applications and USPTO patent grants for Nakao; Noboru.The latest application filed is for "psa apparatus for producing high-purity hydrogen gas".
Patent | Date |
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Method of producing high-purity hydrogen Grant 8,372,375 - Nakao , et al. February 12, 2 | 2013-02-12 |
PSA apparatus for producing high-purity hydrogen gas Grant 7,892,328 - Nakao , et al. February 22, 2 | 2011-02-22 |
PSA apparatus for producing high-purity hydrogen gas App 20090223371 - Nakao; Noboru ;   et al. | 2009-09-10 |
Method of Producing High-Purity Hydrogen App 20090117030 - Nakao; Noboru ;   et al. | 2009-05-07 |
Hydrogen permeable member and method for production thereof App 20060260466 - Tanaka; Takeharu ;   et al. | 2006-11-23 |
Method for concentrating 2,6-dimethylnaphthalene Grant 6,706,939 - Nakao , et al. March 16, 2 | 2004-03-16 |
Method for concentrating 2,6-dimethylnaphthalene App 20030028064 - Nakao, Noboru ;   et al. | 2003-02-06 |
Method and apparatus for controlling liquid metal flow Grant 4,824,329 - Yamamoto , et al. April 25, 1 | 1989-04-25 |
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