| China Post Communications Equipment Co., Ltd. | 🇨🇳 | 2021-06-04 | 2021-06-04 | 1 |
| China Potevio Co., Ltd | 🇨🇳 | 2018-02-15 | 2018-02-15 | 1 |
| China Railway Signal & Communication Corp. | 🇨🇳 | 2011-02-21 | 2015-08-29 | 1 |
| China SSJ (Suzhou) Network Technology Inc. | 🇨🇳 | 2013-01-09 | 2015-11-17 | 1 |
| China Telecom Corporation Limited | 🇨🇳 | 2020-09-24 | 2020-09-24 | 1 |
| China Telecom Fufu Information Technology CO.,LTD | 🇨🇳 | 2021-02-25 | 2021-02-25 | 1 |
| China Telecom Fufu Information Technology Co., Ltd. | 🇨🇳 | 2022-06-23 | 2022-06-23 | 1 |
| China TransInfo Technology Co., Ltd | 🇨🇳 | 2019-01-29 | 2019-01-29 | 1 |
| China Unicom Online Information Technology Co.,Ltd | 🇨🇳 | 2023-04-14 | 2023-04-14 | 1 |
| Chinasys Technologies Limited | 🇨🇳 | 2004-08-04 | 2015-11-17 | 1 |
| Chino Corporation | 🇯🇵 | 2000-12-04 | 2015-11-17 | 1 |
| Chip PC Ltd. | 🇮🇱 | 2001-02-02 | 2015-11-17 | 1 |
| Chip-pro Ltd. | 🇹🇼 | 2008-03-04 | 2015-11-17 | 1 |
| Chip2Chip | 🇺🇸 | 2000-11-09 | 2015-11-17 | 1 |
| CHIPCOM CORPORATION | 🇺🇸 | 1998-04-22 | 2015-11-17 | 1 |
| ChipER Technology co. ltd | 🇺🇸 | 2019-01-10 | 2019-01-10 | 1 |
| CHIPS & Systems, Inc. | 🇺🇸 | 2005-02-06 | 2015-11-17 | 1 |
| Chipsafer Pte. Ltd. | 🇸🇬 | 2020-10-06 | 2020-10-06 | 1 |
| CHIPSCAPE SECURITY SYSTEMS | 🇮🇳 | 2024-10-23 | 2024-10-23 | 1 |
| CHIPSEA TECHNOLOGIES (SHENZHEN) CORP. | 🇨🇳 | 2016-06-11 | 2022-02-09 | 6 |
| Chipsea Technologies (Shenzhen) Corp. | 🇨🇳 | 2022-04-16 | 2025-02-19 | 12 |
| Chipsea Technologies(Shenzhen) Corp. | 🇨🇳 | 2021-09-09 | 2021-11-12 | 2 |
| Chipsea Technologies (Shenzhen) Crop. | 🇨🇳 | 2025-05-29 | 2026-04-10 | 7 |
| CHIPSEN Co.,Ltd. | 🇰🇷 | 2016-02-05 | 2016-02-05 | 1 |
| CHIPSEN INC. | 🇰🇷 | 2026-02-27 | 2026-02-27 | 1 |
| Chipset Communication Co.,Ltd. | 🇹🇼 | 2025-09-16 | 2025-09-16 | 1 |
| Chipsguide technology CO.,LTD. | 🇨🇳 | 2022-05-20 | 2022-05-20 | 1 |
| chipsguide technology Co.,LTD | 🇨🇳 | 2016-02-05 | 2016-02-05 | 1 |
| Chipsip Technology Co., Ltd. | 🇹🇼 | 2010-07-06 | 2015-11-17 | 1 |
| ChipWrights, Inc. | 🇺🇸 | 2011-02-21 | 2015-08-29 | 1 |
| Chiron Technology Ltd | 🇬🇧 | 2004-06-05 | 2015-11-17 | 1 |
| CHISON Medical Technologies Co., Ltd. | 🇨🇳 | 2018-02-15 | 2018-02-15 | 1 |
| Chitai Electronic Corp. | 🇹🇼 | 2010-01-05 | 2015-11-17 | 1 |
| Chitose Co.,Ltd | 🇯🇵 | 2011-02-21 | 2015-08-29 | 1 |
| Chiun Mai Communication System, Inc | 🇹🇼 | 2016-10-03 | 2025-12-11 | 6 |
| Chiyoda Electronics Co.,Ltd. | 🇯🇵 | 2014-02-25 | 2015-11-17 | 1 |
| CHIYODA SYSTEM RIKEN | 🇯🇵 | 2000-11-09 | 2015-11-17 | 1 |
| Chiyu Technology Co.,Ltd | 🇹🇼 | 2004-02-12 | 2015-11-17 | 1 |
| CHK GridSense P/L | 🇦🇺 | 2011-02-21 | 2015-08-29 | 1 |
| Chloride S.r.L | 🇮🇹 | 2014-01-12 | 2015-11-17 | 1 |
| CHOEUNENG | 🇰🇷 | 2022-04-23 | 2022-04-23 | 1 |
| CHOFU SEISAKUSHO CO.,LTD | 🇯🇵 | 2013-06-20 | 2015-11-17 | 1 |
| Choice IT Global LLC | 🇺🇸 | 2025-11-20 | 2025-11-20 | 1 |
| Chonel Industry?shanghai?Co., Ltd. | 🇨🇳 | 2022-09-01 | 2022-09-01 | 1 |
| Chongho information & communications | 🇰🇷 | 2003-04-11 | 2015-11-17 | 1 |
| Chongqing Baoli Yota Technologies Limited | 🇨🇳 | 2018-10-24 | 2018-10-24 | 1 |
| Chongqing beimoting technology co.ltd | 🇨🇳 | 2019-04-03 | 2019-04-03 | 1 |
| ChongQing Camyu Technology Development Co.,Ltd. | 🇨🇳 | 2013-03-11 | 2015-11-17 | 1 |
| Chongqing e-skybest ELECT CO.,LIMITED | 🇨🇳 | 2023-04-05 | 2023-04-05 | 1 |
| Chongqing Ehs Science and Technology Development Co.,Ltd. | 🇨🇳 | 2012-10-05 | 2015-11-17 | 1 |