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Patent applications and USPTO patent grants for Goto; Sadahito.The latest application filed is for "electret and filter using the same".
Patent | Date |
---|---|
Electret And Filter Using The Same App 20220288560 - Kitagawa; Yoshiyuki ;   et al. | 2022-09-15 |
Filtering medium for deodorizing filter Grant 10,076,718 - Hidaka , et al. September 18, 2 | 2018-09-18 |
Filtering Medium For Deodorizing Filter App 20160175753 - HIDAKA; Yusuke ;   et al. | 2016-06-23 |
Air-cleaner filter material for internal combustion engine and air-cleaner element Grant 7,594,946 - Goto , et al. September 29, 2 | 2009-09-29 |
Air-cleaner filter material for internal combustion engine and air-cleaner element App 20070028573 - Goto; Sadahito ;   et al. | 2007-02-08 |
Integrally molded type filter unit and manufacture of the same App 20010032545 - Goto, Sadahito ;   et al. | 2001-10-25 |
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