- 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 49/04 - Measuring or gauging equipment for controlling the feed movement of the grinding tool or workArrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent involving measurement of the workpiece at the place of grinding during grinding operation
Patent holdings for IPC class B24B 49/04
Total number of patents in this class: 296
10-year publication summary
15
|
17
|
19
|
24
|
29
|
30
|
27
|
17
|
27
|
14
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ebara Corporation | 2160 |
44 |
Applied Materials, Inc. | 18475 |
25 |
Disco Corporation | 1852 |
16 |
Tokyo Electron Limited | 12599 |
7 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 42288 |
6 |
Erwin Junker Grinding Technology A.S. | 24 |
6 |
Marposs, S.p.A. | 136 |
6 |
Shin-Etsu Handotai Co., Ltd. | 1287 |
6 |
Sumco Corporation | 1122 |
6 |
JTEKT Corporation | 2492 |
4 |
NSK Ltd. | 2764 |
4 |
Komatsu NTC Ltd. | 118 |
4 |
Erwin Junker Maschinenfabrik GmbH | 40 |
4 |
FANUC Corporation | 6624 |
4 |
Nippon Electric Glass Co., Ltd. | 2456 |
4 |
Kioxia Corporation | 10288 |
4 |
Asahi Glass Company, Limited | 2806 |
3 |
NTN Corporation | 4980 |
3 |
Compagnie générale des établissements Michelin SCA | 2565 |
3 |
Tenova S.p.A. | 156 |
3 |
Other owners | 134 |