- All sections
- A - Human necessities
- A63H - Toys, e.g. tops, dolls, hoops or building blocks
- A63H 3/33 - Other sound-producing means specially adapted for dolls
Patent holdings for IPC class A63H 3/33
Total number of patents in this class: 42
10-year publication summary
|
3
|
5
|
9
|
1
|
2
|
4
|
3
|
2
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BANDAI Co., Ltd. | 405 |
4 |
| Hallmark Cards, Incorporated | 337 |
3 |
| Sharp Kabushiki Kaisha | 18957 |
3 |
| Sony Group Corporation | 10730 |
3 |
| Nippon Telegraph and Telephone Corporation | 14195 |
2 |
| Kabushiki Kaisha Tokai Rika Denki Seisakusho | 1712 |
2 |
| Osaka University | 3143 |
2 |
| Sega Toys Co., Ltd. | 63 |
2 |
| Tosy Robotics Joint Stock Company | 16 |
2 |
| Sony Corporation | 32931 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
| Pioneer Corporation | 4843 |
1 |
| Hakuhodo Incorporated | 26 |
1 |
| Konami Digital Entertainment Co., Ltd. | 1833 |
1 |
| Solicore, Inc. | 8 |
1 |
| TOMY Company, Ltd. | 459 |
1 |
| VTech Electronics Ltd. | 34 |
1 |
| VTech Electronics, Ltd. | 54 |
1 |
| Watry, Krissa | 1 |
1 |
| GROOVE X, Inc. | 100 |
1 |
| Other owners | 8 |