Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10295823 | Systems and methods for eliciting cutaneous sensations using electromagnetic radiation | Alexander A. Brownell | 2019-05-21 |
| 10037661 | Applications of systems and methods for eliciting cutaneous sensations by electromagnetic radiation | Alexander A. Brownell | 2018-07-31 |
| 9696804 | Systems and methods for eliciting cutaneous sensations by electromagnetic radiation | Alexander A. Brownell | 2017-07-04 |
| 9449477 | Applications of systems and methods for eliciting cutaneous sensations by electromagnetic radiation | Alexander A. Brownell | 2016-09-20 |
| 9257021 | Systems and methods for optically induced cutaneous sensation | Alexander A. Brownell | 2016-02-09 |
| 8574280 | Systems and methods for eliciting cutaneous sensations by electromagnetic radiation | Alexander A. Brownell | 2013-11-05 |
| 7520072 | Exit signs with and without emergency lighting | — | 2009-04-21 |
| 7256539 | Eccentric planar fluorescent tube | — | 2007-08-14 |
| 7142784 | Microprocessor-based optical signal conditioner | Wei Yang, Li Chen, Dejin Yu, Diana Liu | 2006-11-28 |
| 6907537 | Frequency division type device for protecting a portable information processing system from data loss when the system experiences unusual voltages | — | 2005-06-14 |
| 6753855 | Driver circuit for LCDM | — | 2004-06-22 |
| 6739737 | Lamp body for a fluorescent compact spot and flood light source | — | 2004-05-25 |
| 6727678 | Rechargeable battery protection circuit with alarm unit | — | 2004-04-27 |
| 6407511 | Electronic ballast suitable for lighting control in fluorescent lamp | Changgen Yang | 2002-06-18 |
| 6343871 | Body height adjustable electric bulb for illuminated signs | — | 2002-02-05 |
| 6255785 | High power factor electronic ballast with low lamp current peak ratio | Changgen Yang | 2001-07-03 |
| 5921660 | Electric bulb for identification lamp | — | 1999-07-13 |