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Patent applications and USPTO patent grants for Fujiwara; Keiko.The latest application filed is for "air-permeable filter provided with oil repellency".
Patent | Date |
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Air-permeable filter provided with oil repellency Grant 10,617,986 - Fujiwara , et al. | 2020-04-14 |
Air-permeable Filter Provided With Oil Repellency App 20180193787 - FUJIWARA; Keiko ;   et al. | 2018-07-12 |
Hydrogen-releasing Film App 20180053923 - MASAKI; Shunsuke ;   et al. | 2018-02-22 |
Waterproof Gas-permeable Membrane, Waterproof Gas-permeable Member And Waterproof Gas-permeable Structure Including Same, And Waterproof Sound-permeable Membrane App 20160207006 - FURUYAMA; Satoru ;   et al. | 2016-07-21 |
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