- 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 37/00 - Lapping machines or devicesAccessories
Patent holdings for IPC class B24B 37/00
Total number of patents in this class: 1192
10-year publication summary
|
69
|
87
|
95
|
69
|
48
|
52
|
56
|
59
|
37
|
45
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujimi Incorporated | 802 |
326 |
| Hitachi Chemical Company, Ltd. | 2241 |
71 |
| JSR Corporation | 2558 |
52 |
| Ebara Corporation | 2329 |
46 |
| Kao Corporation | 5076 |
39 |
| Nitta Haas Incorporated | 70 |
36 |
| Shin-Etsu Handotai Co., Ltd. | 1306 |
30 |
| Konica Minolta, Inc. | 9125 |
26 |
| Hoya Corporation | 2717 |
26 |
| Asahi Glass Company, Limited | 2619 |
26 |
| Resonac Corporation | 3546 |
23 |
| JGC Catalysts and Chemicals Ltd. | 259 |
21 |
| Mitsui Mining & Smelting Co., Ltd. | 1095 |
20 |
| FUJIFILM Corporation | 30516 |
18 |
| Shin-Etsu Chemical Co., Ltd. | 6109 |
18 |
| Agc, Inc. | 5537 |
17 |
| Toagosei Co., Ltd. | 1024 |
15 |
| Applied Materials, Inc. | 20406 |
14 |
| Sumco Corporation | 1109 |
12 |
| Nissan Chemical Corporation | 2229 |
10 |
| Other owners | 346 |