- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 19/02 - Working-spindlesFeatures relating thereto, e.g. supporting arrangements
Patent holdings for IPC class B23B 19/02
Total number of patents in this class: 242
10-year publication summary
|
4
|
16
|
14
|
17
|
19
|
31
|
11
|
8
|
17
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4915 |
37 |
| NSK Ltd. | 2831 |
31 |
| Guangzhou Haozhi Industrial Co., Ltd | 42 |
25 |
| Conprofe Machine Tools Co., Ltd | 13 |
11 |
| Star Micronics Co., Ltd. | 294 |
10 |
| Conprofe Technology Group Co., Ltd. | 75 |
10 |
| FANUC Corporation | 7201 |
8 |
| Yamazaki Mazak Corporation | 261 |
8 |
| Makino Milling Machine Co., Ltd. | 432 |
7 |
| JTEKT Corporation | 2580 |
4 |
| citizen Machinery Co., Ltd. | 210 |
4 |
| Kede Numerical Control Co., Ltd | 62 |
4 |
| Smartguy Intelligent Equipment Co., Ltd. | 23 |
4 |
| Smartguy Intelligent Equipment Co., Ltd. Guangzhou Branch | 18 |
4 |
| Aenoasa Precision Tools Co., Ltd. | 10 |
4 |
| citizen Watch Co., Ltd. | 1087 |
3 |
| DMG MORI Co., Ltd. | 928 |
3 |
| Fuji Corporation | 3635 |
3 |
| GREE Electric Appliances, Inc. of Zhuhai | 3316 |
3 |
| Mitsubishi Heavy Industries Machine Tool Co., Ltd. | 136 |
3 |
| Other owners | 56 |