- 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 37/20 - Lapping pads for working plane surfaces
Patent holdings for IPC class B24B 37/20
Total number of patents in this class: 526
10-year publication summary
|
39
|
82
|
56
|
61
|
50
|
49
|
51
|
33
|
32
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 18861 |
104 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43258 |
74 |
| Ebara Corporation | 2182 |
69 |
| CMC Materials LLC | 250 |
20 |
| Samsung Electronics Co., Ltd. | 147501 |
16 |
| Enpulse Co., Ltd. | 68 |
16 |
| Toyo Tire & Rubber Co., Ltd. | 534 |
14 |
| DDP Specialty Electronic Materials US, LLC | 839 |
13 |
| DuPont Electronic Materials Holding, Inc. | 210 |
11 |
| Rohm and Haas Electronic Materials CMP Holdings, Inc. | 72 |
9 |
| Shin-Etsu Handotai Co., Ltd. | 1283 |
7 |
| Tokyo Electron Limited | 12877 |
6 |
| NexPlanar Corporation | 15 |
6 |
| Sumco Corporation | 1113 |
6 |
| Kioxia Corporation | 10387 |
6 |
| Disco Corporation | 1869 |
5 |
| IV Technologies Co., Ltd. | 38 |
5 |
| Samsung Display Co., Ltd. | 35171 |
4 |
| K.C. Tech Co., Ltd. | 83 |
4 |
| Nitta Haas Incorporated | 70 |
4 |
| Other owners | 127 |