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| Unitron nv | 🇧🇪 | 2008-12-03 | 2015-11-17 | 1 |
| Unitron Systems b.v. | 🇳🇱 | 2022-03-29 | 2025-12-02 | 3 |
| Unitronics LTD | 🇮🇱 | 2003-06-01 | 2015-11-17 | 1 |
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| Unity Surveillance, Inc. | 🇺🇸 | 2020-09-04 | 2020-09-04 | 1 |
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| Universal Access Technology, Inc. | 🇹🇼 | 2000-12-04 | 2015-11-17 | 1 |
| Universal Audio, Inc | 🇺🇸 | 2010-02-21 | 2015-11-17 | 1 |
| UNIVERSAL AVIONICS | 🇺🇸 | 1998-04-22 | 2015-11-17 | 1 |
| Universal Biosensors Pty Ltd | 🇦🇺 | 2023-01-18 | 2023-01-18 | 1 |
| Universal Control Solution Corp. | 🇺🇸 | 2001-06-04 | 2015-11-17 | 1 |
| UNIVERSAL DATA SYSTEMS | 🇺🇸 | 2000-11-09 | 2015-11-17 | 1 |
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| Universal Talkware Corporation | 🇺🇸 | 2000-11-09 | 2015-11-17 | 1 |
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| Universidad de Chile Facultad de Medicina | 🇨🇱 | 2011-02-21 | 2015-08-29 | 1 |
| University of British Columbia | 🇨🇦 | 2016-02-05 | 2016-02-05 | 1 |
| University of California, Berkeley | 🇺🇸 | 2004-10-10 | 2015-11-17 | 1 |
| University of FUKUI | 🇯🇵 | 2010-11-24 | 2015-11-17 | 1 |
| University of Geneva - Department of Particle Physics | 🇨🇭 | 2022-03-30 | 2022-03-30 | 1 |
| University Of Groningen | 🇳🇱 | 2018-02-15 | 2018-02-15 | 1 |
| University of Michigan | 🇺🇸 | 2013-09-12 | 2015-11-17 | 1 |
| University of Nebraska -- Lincoln | 🇺🇸 | 2013-08-29 | 2015-08-29 | 1 |
| University of Oklahoma | 🇺🇸 | 2018-07-28 | 2018-07-28 | 1 |
| University of Texas at Austin | 🇺🇸 | 2021-06-15 | 2021-06-15 | 1 |
| University of Wisconsin Madison - Department of High Energy Physics | 🇺🇸 | 2017-03-08 | 2017-03-08 | 1 |
| University of York | 🇬🇧 | 2016-02-05 | 2016-02-05 | 1 |
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