- 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: 210
10-year publication summary
|
12
|
4
|
16
|
14
|
17
|
19
|
31
|
11
|
8
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2756 |
30 |
| NTN Corporation | 4978 |
28 |
| Guangzhou Haozhi Industrial Co., Ltd | 42 |
25 |
| Star Micronics Co., Ltd. | 275 |
9 |
| FANUC Corporation | 6503 |
8 |
| Makino Milling Machine Co., Ltd. | 412 |
8 |
| Yamazaki Mazak Corporation | 198 |
8 |
| Conprofe Machine Tools Co., Ltd | 8 |
7 |
| Conprofe Technology Group Co., Ltd. | 64 |
6 |
| JTEKT Corporation | 2470 |
4 |
| Kede Numerical Control Co., Ltd | 56 |
4 |
| citizen Machinery Co., Ltd. | 188 |
3 |
| citizen Watch Co., Ltd. | 1068 |
3 |
| Fuji Corporation | 3279 |
3 |
| Mitsubishi Heavy Industries Machine Tool Co., Ltd. | 140 |
3 |
| Tsudakoma Kogyo Kabushiki Kaisha | 117 |
3 |
| Komatsu NTC Ltd. | 120 |
2 |
| citizen Holdings Co., Ltd. | 313 |
2 |
| DMG MORI Co., Ltd. | 838 |
2 |
| GREE Electric Appliances, Inc. of Zhuhai | 3193 |
2 |
| Other owners | 50 |