- 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 37/005 - Control means for lapping machines or devices
Patent holdings for IPC class B24B 37/005
Total number of patents in this class: 679
10-year publication summary
|
49
|
34
|
41
|
53
|
68
|
63
|
73
|
61
|
68
|
73
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ebara Corporation | 2226 |
170 |
| Applied Materials, Inc. | 19298 |
163 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46182 |
63 |
| Sumco Corporation | 1116 |
27 |
| Shin-Etsu Handotai Co., Ltd. | 1295 |
15 |
| Samsung Electronics Co., Ltd. | 149198 |
14 |
| Tokyo Electron Limited | 13155 |
10 |
| Disco Corporation | 1900 |
8 |
| Illinois Tool Works Inc. | 11580 |
7 |
| Seagate Technology LLC | 3977 |
7 |
| Fujikoshi Machinery Corp. | 55 |
7 |
| Kioxia Corporation | 10455 |
6 |
| Axus Technology, LLC | 36 |
5 |
| K.C. Tech Co., Ltd. | 88 |
5 |
| Changxin Memory Technologies, Inc. | 4928 |
5 |
| Hangzhou Sizone Electronic Technology Inc. | 76 |
5 |
| Globalwafers Co., Ltd. | 654 |
4 |
| II-VI Delaware, Inc. | 1652 |
4 |
| Siltronic AG | 424 |
4 |
| DuPont Electronic Materials Holding, Inc. | 207 |
4 |
| Other owners | 146 |