- 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 37/30 - Work carriers for single side lapping of plane surfaces
Patent holdings for IPC class B24B 37/30
Total number of patents in this class: 423
10-year publication summary
|
30
|
29
|
32
|
39
|
30
|
44
|
45
|
30
|
30
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 18334 |
98 |
| Ebara Corporation | 2127 |
92 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 41903 |
31 |
| Shin-Etsu Handotai Co., Ltd. | 1291 |
30 |
| Sumco Corporation | 1125 |
15 |
| Disco Corporation | 1846 |
14 |
| Fujikoshi Machinery Corp. | 54 |
11 |
| Samsung Electronics Co., Ltd. | 143303 |
7 |
| Fujibo Holdings, Inc. | 102 |
6 |
| Tokyo Electron Limited | 12452 |
5 |
| Seagate Technology LLC | 3973 |
5 |
| K.C. Tech Co., Ltd. | 81 |
5 |
| Bruker Nano, Inc. | 336 |
4 |
| Asahi Glass Company, Limited | 2824 |
3 |
| Axus Technology, LLC | 33 |
3 |
| Hwatsing Technology Co., Ltd. | 27 |
3 |
| Micro Engineering Inc. | 6 |
3 |
| PR Hoffman Machine Products, Inc. | 4 |
3 |
| Shin-Etsu Engineering Co., Ltd | 75 |
3 |
| Hangzhou Zhonggui Electronic Technology Co., Ltd | 9 |
3 |
| Other owners | 79 |