- 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 7/04 - Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfacesAccessories therefor involving a rotary work-table
Patent holdings for IPC class B24B 7/04
Total number of patents in this class: 175
10-year publication summary
|
12
|
14
|
17
|
12
|
15
|
24
|
22
|
18
|
18
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 13617 |
43 |
| Disco Corporation | 1945 |
24 |
| Tokyo Seimitsu Co., Ltd. | 394 |
11 |
| Ebara Corporation | 2278 |
8 |
| Sumco Corporation | 1114 |
6 |
| II-VI Delaware, Inc. | 1619 |
4 |
| Screen Holdings Co., Ltd. | 3114 |
4 |
| Komatsu NTC Ltd. | 119 |
3 |
| Okamoto Machine Tool Works, Ltd. | 16 |
3 |
| GE Infrastructure Technology, LLC | 6181 |
3 |
| Drychemicals Co., Ltd. | 12 |
3 |
| Success Co., Ltd. | 10 |
3 |
| Illinois Tool Works Inc. | 11789 |
2 |
| Fuji Electric Co., Ltd. | 5422 |
2 |
| Lintec Corporation | 2004 |
2 |
| ATM Qness GmbH | 20 |
2 |
| DMS Korea Co.,Ltd. | 3 |
2 |
| Qualcomm Incorporated | 90870 |
1 |
| Honda Motor Co., Ltd. | 25903 |
1 |
| Sumitomo Electric Industries, Ltd. | 16191 |
1 |
| Other owners | 47 |