loadpatents
Patent applications and USPTO patent grants for Umezawa; Hiroyuki.The latest application filed is for "electric device with air cleaning function".
Patent | Date |
---|---|
Electric device with air cleaning function Grant 8,702,850 - Suzuki , et al. April 22, 2 | 2014-04-22 |
Water treatment apparatus Grant 8,366,888 - Ogawa , et al. February 5, 2 | 2013-02-05 |
Water treatment device Grant 8,062,485 - Ogawa , et al. November 22, 2 | 2011-11-22 |
Electric Device With Air Cleaning Function App 20110179951 - Suzuki; Daisuke ;   et al. | 2011-07-28 |
Air filtering apparatus having foreign material removing mechanism Grant 7,850,769 - Takahashi , et al. December 14, 2 | 2010-12-14 |
Water Treatment Apparatus App 20100108497 - OGAWA; Yui ;   et al. | 2010-05-06 |
Water Feed Device App 20090283464 - Oe; Hana ;   et al. | 2009-11-19 |
Ion Removal Device And Method For Using The Same App 20090188802 - Ogawa; Yui ;   et al. | 2009-07-30 |
Hydrofluoric Acid Treatment Apparatus App 20090101560 - SUMIDA; Yasuteru ;   et al. | 2009-04-23 |
Water Treatment Device And Water Treatment Method App 20090026088 - Sumida; Yasuteru ;   et al. | 2009-01-29 |
Method Of Filtering App 20080314832 - UMEZAWA; Hiroyuki ;   et al. | 2008-12-25 |
Water treatment device App 20080283391 - Ogawa; Yui ;   et al. | 2008-11-20 |
Apparatus for treating water Grant 7,452,463 - Umezawa , et al. November 18, 2 | 2008-11-18 |
Coagulation treatment apparatus Grant 7,438,804 - Umezawa , et al. October 21, 2 | 2008-10-21 |
Device for treating fluorine-containing water App 20080217234 - Sumida; Yasuteru ;   et al. | 2008-09-11 |
Wastewater treatment equipment Grant 7,396,458 - Umezawa , et al. July 8, 2 | 2008-07-08 |
Filtration apparatus Grant 7,381,323 - Umezawa , et al. June 3, 2 | 2008-06-03 |
Scale removal system App 20080093213 - Yamamoto; Tetsuya ;   et al. | 2008-04-24 |
Air Filtering Apparatus Having Foreign Material Removing Mechanism App 20080017039 - Takahashi; Kazuo ;   et al. | 2008-01-24 |
Water treatment device Grant 7,300,592 - Iseki , et al. November 27, 2 | 2007-11-27 |
Water treatment device App 20070034567 - Iseki; Masahiro ;   et al. | 2007-02-15 |
Electrolyzing electrode and production method therefor and electrolysis method using electrolyzing electrode and electrolysis solution producing device Grant 7,156,962 - Koizumi , et al. January 2, 2 | 2007-01-02 |
Water treatment device and water treatment method using the same Grant 7,157,012 - Umezawa , et al. January 2, 2 | 2007-01-02 |
Filtration apparatus App 20060266686 - Umezawa; Hiroyuki ;   et al. | 2006-11-30 |
Filtration apparatus App 20060266687 - Umezawa; Hiroyuki ;   et al. | 2006-11-30 |
Filtration apparatus App 20060266685 - Umezawa; Hiroyuki ;   et al. | 2006-11-30 |
Wastewater treatment equipment App 20060231472 - Umezawa; Hiroyuki ;   et al. | 2006-10-19 |
Filtering method of a colloidal solution Grant 7,014,770 - Umezawa , et al. March 21, 2 | 2006-03-21 |
Treatment apparatus and method of treating water to be treated using the same App 20050269271 - Umezawa, Hiroyuki ;   et al. | 2005-12-08 |
High-concentration particle concentrate, powder, preparing method of high-concentration particle concentrate, and preparing method of powder App 20050215412 - Nakamura, Takashi ;   et al. | 2005-09-29 |
Maintenance service supporting terminal, maintenance service supporting method, maintenance service supporting program, and OBD history data App 20050143882 - Umezawa, Hiroyuki | 2005-06-30 |
Coagulation treatment apparatus, coagulation treatment method, coagulant, coagulant production apparatus and coagulant production method App 20050115908 - Umezawa, Hiroyuki ;   et al. | 2005-06-02 |
Filtration apparatus App 20040262209 - Umezawa, Hiroyuki ;   et al. | 2004-12-30 |
Filtration device Grant 6,830,679 - Tsuihiji , et al. December 14, 2 | 2004-12-14 |
Water treatment device and water treatment method using the same App 20040245184 - Umezawa, Hiroyuki ;   et al. | 2004-12-09 |
Filtering method of a colloidal solution App 20040016705 - Umezawa, Hiroyuki ;   et al. | 2004-01-29 |
Electrolyzing electrode and production method therefor and electrolysis method using electrolyzing electrode and electrolysis solution producing device App 20040011665 - Koizumi, Tomohito ;   et al. | 2004-01-22 |
Method of filtering App 20030095894 - Umezawa, Hiroyuki ;   et al. | 2003-05-22 |
Method of filtering App 20030094426 - Umezawa, Hiroyuki ;   et al. | 2003-05-22 |
Filtration device App 20030089647 - Tsuihiji, Motoyuki ;   et al. | 2003-05-15 |
Sterilizing method and electrolyzed water producing apparatus App 20030024828 - Kondo, Yasuhito ;   et al. | 2003-02-06 |
Ejection protection mechanism for card media Grant 6,010,344 - Muramatsu , et al. January 4, 2 | 2000-01-04 |
Loading/unloading unit for card media Grant 5,879,175 - Muramatsu , et al. March 9, 1 | 1999-03-09 |
Cassette tape recording/reproducing apparatus Grant 4,227,224 - Umezawa , et al. October 7, 1 | 1980-10-07 |
Magnetic tape-record/playback apparatus Grant 4,224,647 - Umezawa , et al. September 23, 1 | 1980-09-23 |
Tape player Grant 4,209,812 - Umezawa , et al. June 24, 1 | 1980-06-24 |
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