Kim; Cheon Joo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kim; Cheon Joo.The latest application filed is for "light source unit".
- Kim; Cheon Joo - Seoul KR
| Patent | Date |
|---|---|
| Lighting device Grant 10,900,637 - Im , et al. January 26, 2 | 2021-01-26 |
| Light source unit Grant 10,655,839 - Kim , et al. | 2020-05-19 |
| Light Source Unit App 20200041115 - KIM; Cheon Joo ; et al. | 2020-02-06 |
| Lighting Device App 20190301719 - IM; Chang Hyuk ; et al. | 2019-10-03 |
| Lighting device having reflectors for indirect light emission Grant RE47,425 - Lim , et al. | 2019-06-04 |
| Lighting device Grant 10,001,250 - Lim , et al. June 19, 2 | 2018-06-19 |
| Lighting Device App 20170074463 - LIM; Dong Nyung ; et al. | 2017-03-16 |
| Lighting device Grant 9,528,693 - Lim , et al. December 27, 2 | 2016-12-27 |
| Lighting device Grant 9,039,242 - Choi , et al. May 26, 2 | 2015-05-26 |
| Lighting Device App 20140268640 - CHOI; Tae Young ; et al. | 2014-09-18 |
| Lighting Device App 20140240994 - LIM; Dong Nyung ; et al. | 2014-08-28 |
| Lighting device Grant 8,757,841 - Choi , et al. June 24, 2 | 2014-06-24 |
| Lighting device having reflectors for indirect light emission Grant 8,680,755 - Lim , et al. March 25, 2 | 2014-03-25 |
| Lighting device Grant 8,629,607 - Choi , et al. January 14, 2 | 2014-01-14 |
| Lighting Device App 20130293084 - Lim; Dong Nyung ; et al. | 2013-11-07 |
| Lighting Device App 20120275165 - CHOI; Tae Young ; et al. | 2012-11-01 |
| Lighting device Grant 8,227,964 - Choi , et al. July 24, 2 | 2012-07-24 |
| Lighting Device App 20120069545 - CHOI; Tae Young ; et al. | 2012-03-22 |
| Lighting Device App 20110234078 - CHOI; Tae Young ; et al. | 2011-09-29 |
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