- 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: 40
10-year publication summary
|
5
|
9
|
1
|
2
|
4
|
3
|
2
|
2
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BANDAI Co., Ltd. | 506 |
4 |
| Sharp Kabushiki Kaisha | 18830 |
3 |
| Sony Group Corporation | 13386 |
3 |
| Nippon Telegraph and Telephone Corporation | 17067 |
2 |
| Hallmark Cards, Incorporated | 341 |
2 |
| Kabushiki Kaisha Tokai Rika Denki Seisakusho | 1780 |
2 |
| Osaka University | 3352 |
2 |
| Sega Toys Co., Ltd. | 63 |
2 |
| Tosy Robotics Joint Stock Company | 14 |
2 |
| Sony Corporation | 31171 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 30822 |
1 |
| Hakuhodo Incorporated | 25 |
1 |
| Konami Digital Entertainment Co., Ltd. | 1731 |
1 |
| Solicore, Inc. | 7 |
1 |
| TOMY Company, Ltd. | 484 |
1 |
| VTech Electronics Ltd. | 34 |
1 |
| VTech Electronics, Ltd. | 57 |
1 |
| GROOVE X, Inc. | 101 |
1 |
| Mtek C&K Co., Ltd. | 6 |
1 |
| Yukai Engineering Inc. | 5 |
1 |
| Other owners | 7 |