| # | Name | Location | Applications |
|---|---|---|---|
| 1. | TDK CORPORATION | 🇯🇵 Tokyo, Japan | 38 |
| 2. | TDK Corporation | 🇺🇸 , United States | 14 |
| 3. | TDK Corporation | 🇯🇵 Chuo-ku, Japan | 1 |
| 4. | TDK KOREA CORPORATION | 🇰🇷 Seoul, South Korea | 1 |
| 5. | TDK-Lambda Americas, Inc. | 🇺🇸 Richardson, TX, United States | 1 |