- 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
|
9
|
1
|
2
|
4
|
3
|
2
|
2
|
2
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BANDAI Co., Ltd. | 619 |
4 |
| Sony Group Corporation | 15204 |
4 |
| Sharp Kabushiki Kaisha | 18608 |
3 |
| Nippon Telegraph and Telephone Corporation | 15996 |
2 |
| Hallmark Cards, Incorporated | 441 |
2 |
| Kabushiki Kaisha Tokai Rika Denki Seisakusho | 1837 |
2 |
| Osaka University | 3304 |
2 |
| Sega Toys Co., Ltd. | 59 |
2 |
| Tosy Robotics Joint Stock Company | 14 |
2 |
| Sony Corporation | 30388 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 33602 |
1 |
| Hakuhodo Incorporated | 26 |
1 |
| Solicore, Inc. | 7 |
1 |
| TOMY Company, Ltd. | 576 |
1 |
| VTech Electronics Ltd. | 34 |
1 |
| VTech Electronics, Ltd. | 59 |
1 |
| GROOVE X, Inc. | 102 |
1 |
| Mtek C&K Co., Ltd. | 6 |
1 |
| Yukai Engineering Inc. | 7 |
1 |
| Robo Garage Co., Ltd. | 9 |
1 |
| Other owners | 6 |