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Patent applications and USPTO patent grants for Ohtsu; Yasuhiro.The latest application filed is for "electric vacuum cleaner".
Patent | Date |
---|---|
Electric vacuum cleaner Grant 10,213,079 - Kawamura , et al. Feb | 2019-02-26 |
Electric vacuum cleaner Grant 10,034,589 - Kawamura , et al. July 31, 2 | 2018-07-31 |
Electric Vacuum Cleaner App 20160270614 - KAWAMURA; Naoko ;   et al. | 2016-09-22 |
Electric Vacuum Cleaner App 20160270615 - KAWAMURA; Naoko ;   et al. | 2016-09-22 |
Electric vacuum cleaner Grant 7,628,830 - Ohtsu , et al. December 8, 2 | 2009-12-08 |
Electric vacuum cleaner App 20070226952 - Ohtsu; Yasuhiro ;   et al. | 2007-10-04 |
Vacuum cleaner App 20070226953 - Ohtsu; Yasuhiro ;   et al. | 2007-10-04 |
Electric vacuum cleaner App 20070056135 - Sasaki; Ayumi ;   et al. | 2007-03-15 |
Rotary cleaning body, suction port body of vacuum cleaner, and production method of rotary cleaning body Grant 7,159,276 - Omoto , et al. January 9, 2 | 2007-01-09 |
Rotary cleaning body, suction port body of vacuum cleaner, and production method of rotary cleaning body App 20050246857 - Omoto, Shuhei ;   et al. | 2005-11-10 |
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