- All sections
- B - Performing operationstransporting
- B24B - Machines, devices, or processes for grinding or polishingdressing or conditioning of abrading surfacesfeeding of grinding, polishing, or lapping agents
- B24B 37/04 - Lapping machines or devicesAccessories designed for working plane surfaces
Patent holdings for IPC class B24B 37/04
Total number of patents in this class: 1628
10-year publication summary
|
107
|
116
|
144
|
124
|
126
|
106
|
115
|
134
|
133
|
53
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 19999 |
210 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47211 |
145 |
| Ebara Corporation | 2271 |
140 |
| Fujimi Incorporated | 796 |
77 |
| Resonac Corporation | 3198 |
52 |
| CMC Materials LLC | 246 |
46 |
| Samsung Electronics Co., Ltd. | 153573 |
39 |
| Sumco Corporation | 1114 |
37 |
| Shin-Etsu Handotai Co., Ltd. | 1301 |
31 |
| Entegris, Inc. | 1979 |
28 |
| DuPont Electronic Materials Holding, Inc. | 207 |
28 |
| 3m Innovative Properties Company | 17511 |
25 |
| Disco Corporation | 1929 |
24 |
| Versum Materials US, LLC | 666 |
24 |
| Seagate Technology LLC | 3994 |
23 |
| Kioxia Corporation | 10706 |
16 |
| Hitachi Chemical Company, Ltd. | 2273 |
14 |
| Siltronic AG | 428 |
13 |
| Tokyo Electron Limited | 13513 |
12 |
| Shin-Etsu Chemical Co., Ltd. | 5933 |
12 |
| Other owners | 632 |