Akiyama; Ryuji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Akiyama; Ryuji.The latest application filed is for "air handling device".
- Akiyama; Ryuji - Osaka N/A JP
| Patent | Date |
|---|---|
| Air handling device Grant 8,454,733 - Tanaka , et al. June 4, 2 | 2013-06-04 |
| Charging device, air handling device, method for charging, and method for handling air Grant 8,454,734 - Haruna , et al. June 4, 2 | 2013-06-04 |
| Dust collector Grant 8,192,536 - Tanaka , et al. June 5, 2 | 2012-06-05 |
| Dust collector Grant 8,192,535 - Tanaka , et al. June 5, 2 | 2012-06-05 |
| Air Handling Device App 20100251894 - Tanaka; Toshio ; et al. | 2010-10-07 |
| Discharge device and air purifier Grant 7,753,994 - Motegi , et al. July 13, 2 | 2010-07-13 |
| Air conditioner Grant 7,722,707 - Tanaka , et al. May 25, 2 | 2010-05-25 |
| Dust Collector App 20090277332 - Tanaka; Toshio ; et al. | 2009-11-12 |
| Electric Discharge Device And Air Purification Device App 20090263293 - Motegi; Kanji ; et al. | 2009-10-22 |
| Liquid Treatment Apparatus, Air Conditioning System, And Humidifier App 20090241579 - Motegi; Kanji ; et al. | 2009-10-01 |
| Dust Collector App 20090199718 - Tanaka; Toshio ; et al. | 2009-08-13 |
| Discharge device and air purifier App 20090193976 - Motegi; Kanji ; et al. | 2009-08-06 |
| Air Purification Device App 20090120781 - Motegi; Kanji ; et al. | 2009-05-14 |
| Air Conditioner App 20080120989 - Tanaka; Toshio ; et al. | 2008-05-29 |
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.
| 