- All sections
- A - Human necessities
- A63B - Apparatus for physical training, gymnastics, swimming, climbing, or fencing; ball games; training equipment
- A63B 69/38 - Training appliances or apparatus for special sports for tennis
Patent holdings for IPC class A63B 69/38
Total number of patents in this class: 226
10-year publication summary
|
35
|
39
|
41
|
69
|
57
|
43
|
31
|
36
|
21
|
28
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 34130 |
21 |
| Dugan Patents, LLC | 37 |
12 |
| Sumitomo Rubber Industries, Ltd. | 4427 |
6 |
| icuemotion, LLC | 23 |
6 |
| Wuyi University | 302 |
6 |
| Curinginnos Inc. | 6 |
5 |
| Neuro Tennis, Inc. | 11 |
4 |
| Pillar Vision, Inc. | 36 |
4 |
| New Spin Sports LLC | 4 |
4 |
| Breakout Hitting LLC | 6 |
4 |
| International Business Machines Corporation | 61966 |
3 |
| Seiko Epson Corporation | 19017 |
3 |
| Blast Motion Inc. | 129 |
3 |
| NEWDIN CONTENTS Co., Ltd. | 25 |
3 |
| BK Brown Enterprises, Inc. | 5 |
3 |
| Tennibot Inc. | 11 |
3 |
| Exit Speed Inc. | 3 |
3 |
| Proteus Motion Inc. | 16 |
3 |
| Dunlop Sports Co. Ltd. | 54 |
2 |
| AI Incorporated | 207 |
2 |
| Other owners | 126 |