Umezawa; Hiroyuki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Umezawa; Hiroyuki.The latest application filed is for "electric device with air cleaning function".
Company Profile
0.20.28
- Umezawa; Hiroyuki - Moriguchi JP
- Umezawa; Hiroyuki - Osaka JP
- Umezawa; Hiroyuki - Gunma JP
- Umezawa; Hiroyuki - Moriguchi-shi JP
- Umezawa; Hiroyuki - Ota-shi JP
- Umezawa; Hiroyuki - Ota JP
- Umezawa, Hiroyuki - Ota-city JP
- Umezawa, Hiroyuki - Tokyo JP
- Umezawa; Hiroyuki - Saitama JP
- Umezawa; Hiroyuki - Toda JP
Patent Activity
| 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 |
| Water treatment device and water treatment method using the same Grant 7,157,012 - Umezawa , et al. January 2, 2 | 2007-01-02 |
| 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 |
| Filtration apparatus App 20060266685 - Umezawa; Hiroyuki ; et al. | 2006-11-30 |
| Filtration apparatus App 20060266686 - Umezawa; Hiroyuki ; et al. | 2006-11-30 |
| Filtration apparatus App 20060266687 - 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 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 