- All sections
- B - Performing operations; transporting
- B24B - Machines, devices, or processes for grinding or polishing; dressing or conditioning of abrading surfaces; feeding of grinding, polishing, or lapping agents
- B24B 57/02 - Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
Patent holdings for IPC class B24B 57/02
Total number of patents in this class: 472
10-year publication summary
|
26
|
19
|
35
|
38
|
41
|
52
|
57
|
56
|
56
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 16587 |
76 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
44 |
| Ebara Corporation | 1951 |
41 |
| Konica Minolta, Inc. | 8349 |
17 |
| Shin-Etsu Handotai Co., Ltd. | 1277 |
16 |
| Samsung Electronics Co., Ltd. | 131630 |
11 |
| Disco Corporation | 1745 |
9 |
| 3m Innovative Properties Company | 18406 |
8 |
| Cabot Microelectronics Corporation | 219 |
7 |
| Fujikoshi Machinery Corp. | 54 |
6 |
| Fujimi Incorporated | 676 |
6 |
| Tokyo Electron Limited | 11599 |
5 |
| Sumco Corporation | 1116 |
5 |
| K.C. Tech Co., Ltd. | 78 |
4 |
| Turun Yliopisto | 173 |
4 |
| Changxin Memory Technologies, Inc. | 4732 |
4 |
| Illinois Tool Works Inc. | 11152 |
3 |
| Sumitomo Electric Industries, Ltd. | 14131 |
3 |
| Hewlett-Packard Development Company, L.P. | 28538 |
3 |
| Corning Incorporated | 9932 |
3 |
| Other owners | 197 |