- All sections
- A - Human necessities
- A63H - Toys, e.g. tops, dolls, hoops or building blocks
- A63H 33/04 - Building blocks, strips or similar building parts
Patent holdings for IPC class A63H 33/04
Total number of patents in this class: 727
10-year publication summary
|
103
|
141
|
109
|
130
|
98
|
70
|
83
|
59
|
63
|
29
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LEGO A/S | 485 |
107 |
| May Patents Ltd. | 140 |
24 |
| LaRose Industries, LLC | 327 |
10 |
| Sphero, Inc. | 216 |
10 |
| RND by US B.V. | 8 |
8 |
| Mattel, Inc. | 3031 |
7 |
| Mattel-mega Holdings (US), LLC | 47 |
7 |
| Tegu | 10 |
7 |
| Gymworld Inc. | 51 |
7 |
| Building Creative Kids, LLC | 16 |
6 |
| Smart, naamloze vennootschap | 71 |
6 |
| Microsoft Technology Licensing, LLC | 53607 |
5 |
| Spin Master Ltd. | 1551 |
5 |
| MEGA Brands Inc. | 145 |
5 |
| People Co., Ltd. | 82 |
5 |
| Makeblock Co., Ltd. | 208 |
5 |
| Lovevery, Inc. | 271 |
5 |
| Shanghai PAI Technology Co., Ltd | 10 |
5 |
| International Business Machines Corporation | 61185 |
4 |
| Hasbro, Inc. | 2198 |
4 |
| Other owners | 485 |