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Licensee list for white LED patents
Toyoda Gosei Co., Ltd., together with Tridonic Jennersdorf GmbH (Austria), Leuchtstoffwerk Breitungen GmbH (Germany), and Litec GbR (Germany), has filed joint applications for basic patents relating to a technology for forming white light using blue LEDs and new yellow (silicate) phosphors. Patent rights have been granted in the Austria, Europe, Japan, U.S.A., Korea, Taiwan, China, Russia, Malaysia, and India. (Please see attached for list of granted patents).
Further, these patents have been licensed to the following companies:
| Country | Licensee |
|---|---|
| Japan | |
| Koha Co., Ltd | |
| Sanken Electric Co., Ltd. | |
| Sharp Corporation | |
| HRD Co., Ltd | |
| Kodenshi Corp. | |
| Toricon Co., Ltd. | |
| Korea | |
| Dongbu LED Co., Ltd. | |
| Lumens Co., Ltd. | |
| LG Innotek Co., Ltd. | |
| Allix Co., Ltd. | |
| Lumimicro Co., Ltd | |
| WOOREE E&L Co., Ltd. | |
| GLBTECH Co., Ltd. | |
| Taiwan | |
| Everlight Electronics Co., Ltd. | |
| Unity Opto Technology Co., Ltd. | |
| Lextar Electronics Corp. | |
| Prolight Opto Technology Corp. | |
| Lite-On Technology Corporation | |
| Harvatek Corporation | |
| High-Toned Opto Technology Corporation |
Note:
- There exist licensees who are not disclosed in the list above.
- The list above is not a list of licensees for other patents held by TG or Tridonic, such as patents pertaining to LED chips or LED package design.