- 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 37/26 - Lapping pads for working plane surfaces characterised by the shape of the lapping pad surface, e.g. grooved
Patent holdings for IPC class B24B 37/26
Total number of patents in this class: 389
10-year publication summary
|
41
|
38
|
39
|
37
|
37
|
48
|
29
|
36
|
32
|
7
|
| 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 |
| 3m Innovative Properties Company | 18406 |
28 |
| Rohm and Haas Electronic Materials CMP Holdings, Inc. | 309 |
26 |
| CMC Materials LLC | 254 |
25 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
24 |
| SK Enpulse Co., Ltd. | 103 |
17 |
| Fujibo Holdings, Inc. | 97 |
14 |
| Ebara Corporation | 1951 |
11 |
| Fujimi Incorporated | 676 |
10 |
| NexPlanar Corporation | 15 |
10 |
| IV Technologies Co., Ltd. | 41 |
8 |
| Toray Industries, Inc. | 6652 |
7 |
| Shin-Etsu Handotai Co., Ltd. | 1277 |
6 |
| Dow Global Technologies LLC | 10147 |
5 |
| Cabot Microelectronics Corporation | 219 |
5 |
| Korea Institute of Industrial Technology | 994 |
5 |
| Kuraray Co., Ltd. | 3392 |
5 |
| KWH Mirka Ltd | 20 |
5 |
| Saint-Gobain Abrasifs | 657 |
4 |
| Saint-Gobain Abrasives, Inc. | 895 |
4 |
| Other owners | 94 |