| YSIA 2209885 · TMA1231716 | SOMFY ACTIVITES SA | 9 Electronics | Registered | 2024 |
| Ysio 1375525 · TMA739715 | Siemens Healthcare GmbH | 9 Electronics10 Medical | Registered | 2009 |
| yksi 2254358 | The U Group & Co Limited | 9 Electronics | Pending | 2022 |
| YS 2102704 · TMA1190612 · design | Zhejiang Yueshi Intelligent Technology Co. Ltd. | 18 Leather25 Clothing35 Advertising+1 | Registered | 2023 |
| YSO 2065521 · TMA1173324 | an individual | 18 Leather | Registered | 2023 |
| YSK 1648397 · TMA895175 · design | Unique Wonton Ltd. | 29 Meat30 Coffee | Registered | 2015 |
| YSA 1635915 · TMA919547 | NOVACYL | 1 Chemicals3 Cosmetics5 Pharmaceuticals | Registered | 2015 |
| YSC 1463511 · TMA830206 · design | Shenzhen Shenchuang Electrical Appliance Co. Ltd. | 8 Hand11 Lighting21 Housewares+1 | Registered | 2012 |
| YS 1319233 · TMA756966 · design | Wilh. Hamm Gmbh | 9 Electronics10 Medical21 Housewares+2 | Registered | 2010 |
| YSG 2363081 | Guangzhou Yatsen Global Co.Ltd. | 3 Cosmetics | Pending | 2024 |
| YSJ 2227355 · design | Shenzhen Yushiji Technology Co. Ltd. | 11 Lighting | Pending | 2022 |
| YCI 2178223 | yciCanada Immigration Services Ltd. | 9 Electronics35 Advertising39 Transport+2 | Pending | 2022 |
| YSX 2078302 | an individual | 9 Electronics | Pending | 2021 |
| YOSHI 2192672 · TMA1269807 | NINTENDO OF AMERICA INC. | 9 Electronics16 Paper18 Leather+3 | Registered | 2024 |
| YOSHI 2109260 · TMA1181731 | QUALIFIRST FOODS LTD. | 30 Coffee | Registered | 2023 |
| YESHI 1955893 · TMA1134441 · design | Yeshi Foods Inc. | 30 Coffee | Registered | 2022 |
| YOSHI 0689401 · TMA436731 | NINTENDO OF AMERICA INC. A WASHINGTON CORPORATION | 9 Electronics16 Paper28 Toys | Registered | 1994 |
| YCSJ 2256818 · TMA1277655 | Foshan Yunchi Creative Design Co. Ltd. | 20 Furniture | Registered | 2024 |
| ySky 2243826 · TMA1263120 | Owner not listed | 9 Electronics | Registered | 2024 |
| yAyusi 2242210 · TMA1262963 | Owner not listed | 9 Electronics | Registered | 2024 |
| YJSG 2230053 · TMA1252938 | an individual | 11 Lighting | Registered | 2024 |
| Yesiiw 2199959 · TMA1256407 | Owner not shown | 18 Leather25 Clothing | Registered | 2024 |
| YASY 2166632 · TMA1213484 · design | an individual | 24 Textiles | Registered | 2023 |
| YOASSI 2148263 · TMA1205184 | an individual | 11 Lighting20 Furniture | Registered | 2023 |
| YAZI 2145406 · TMA1201747 | Guangzhou Binghuo E-Commerce Co. Ltd. | 24 Textiles | Registered | 2023 |