TSUDA; Ryoji
Patent Applications and Registrations
Patent applications and USPTO patent grants for TSUDA; Ryoji.The latest application filed is for "white light source including led and phosphors".
- TSUDA; Ryoji - Fujisawa JP
- Tsuda; Ryoji - Fujisawa Kanagawa JP
- Tsuda; Ryoji - Yokohama JP
- Tsuda; Ryoji - Yokohama-Shi JP
| Patent | Date |
|---|---|
| White Light Source Including Led And Phosphors App 20210151638 - ITOGA; Tatsunori ; et al. | 2021-05-20 |
| White light source including LED and phosphors Grant 10,957,826 - Itoga , et al. March 23, 2 | 2021-03-23 |
| White light source system Grant 10,473,274 - Yamakawa , et al. Nov | 2019-11-12 |
| Light emitting device and LED light bulb Grant 10,368,408 - Kondo , et al. July 30, 2 | 2019-07-30 |
| Light emitting device and LED light bulb Grant 10,368,409 - Kondo , et al. July 30, 2 | 2019-07-30 |
| Lighting device Grant 10,274,185 - Kato , et al. | 2019-04-30 |
| White Light Source App 20190088833 - ITOGA; Tatsunori ; et al. | 2019-03-21 |
| Lighting apparatus Grant 10,107,457 - Ohno , et al. October 23, 2 | 2018-10-23 |
| White Light Source System App 20180135813 - YAMAKAWA; Masahiko ; et al. | 2018-05-17 |
| Light Emitting Device And Led Light Bulb App 20180049285 - Kondo; Hiroyasu ; et al. | 2018-02-15 |
| Lighting Apparatus App 20170211749 - OHNO; Hiroshi ; et al. | 2017-07-27 |
| Optical Element And Illumination Apparatus App 20170167666 - OHNO; Hiroshi ; et al. | 2017-06-15 |
| Light Emitting Device And Led Light Bulb App 20170048941 - KONDO; Hiroyasu ; et al. | 2017-02-16 |
| Lighting Device App 20160377278 - KATO; Mitsuaki ; et al. | 2016-12-29 |
| Light-emitting diode lamp Grant D765,275 - Ohno , et al. August 30, 2 | 2016-08-30 |
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.
| 