Keong; Richard Lum Kok
Patent Applications and Registrations
Patent applications and USPTO patent grants for Keong; Richard Lum Kok.The latest application filed is for "isolation device".
- Keong; Richard Lum Kok - Singapore SG
| Patent | Date |
|---|---|
| Isolation device Grant 9,824,965 - Tao , et al. November 21, 2 | 2017-11-21 |
| Isolation device Grant 9,793,203 - Tao , et al. October 17, 2 | 2017-10-17 |
| Isolation Device App 20170117217 - Tao; Qian ; et al. | 2017-04-27 |
| An Isolation Device App 20170098603 - Tao; Qian ; et al. | 2017-04-06 |
| Isolation device Grant 9,576,891 - Tao , et al. February 21, 2 | 2017-02-21 |
| Device and method for driving LED Grant 7,564,198 - Yamamoto , et al. July 21, 2 | 2009-07-21 |
| Device And Method For Driving Led App 20080094000 - Yamamoto; Kenji ; et al. | 2008-04-24 |
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