- 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: 708
10-year publication summary
101
|
103
|
141
|
109
|
130
|
97
|
70
|
82
|
54
|
15
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LEGO A/S | 479 |
100 |
May Patents Ltd. | 124 |
23 |
Mattel, Inc. | 3192 |
10 |
LaRose Industries, LLC | 318 |
10 |
Mattel-mega Holdings (US), LLC | 49 |
8 |
RND by US B.V. | 8 |
8 |
Sphero, Inc. | 198 |
7 |
Tegu | 10 |
7 |
Gymworld Inc. | 51 |
7 |
Building Creative Kids, LLC | 19 |
6 |
Smart, naamloze vennootschap | 67 |
6 |
Microsoft Technology Licensing, LLC | 51439 |
5 |
Spin Master Ltd. | 1601 |
5 |
MEGA Brands Inc. | 155 |
5 |
People Co., Ltd. | 62 |
5 |
Makeblock Co., Ltd. | 82 |
5 |
Lovevery, Inc. | 189 |
5 |
Shanghai PAI Technology Co., Ltd | 10 |
5 |
International Business Machines Corporation | 60644 |
4 |
Hasbro, Inc. | 2234 |
4 |
Other owners | 473 |