- 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: 1165
10-year publication summary
|
98
|
69
|
87
|
95
|
69
|
48
|
52
|
56
|
56
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujimi Incorporated | 740 |
307 |
| Hitachi Chemical Company, Ltd. | 2356 |
82 |
| JSR Corporation | 2514 |
55 |
| Ebara Corporation | 2163 |
43 |
| Kao Corporation | 4959 |
38 |
| Nitta Haas Incorporated | 70 |
36 |
| Shin-Etsu Handotai Co., Ltd. | 1286 |
30 |
| Asahi Glass Company, Limited | 2802 |
29 |
| Konica Minolta, Inc. | 8701 |
26 |
| Hoya Corporation | 2745 |
26 |
| Mitsui Mining & Smelting Co., Ltd. | 1477 |
25 |
| JGC Catalysts and Chemicals Ltd. | 253 |
21 |
| FUJIFILM Corporation | 29295 |
18 |
| Shin-Etsu Chemical Co., Ltd. | 5632 |
18 |
| Toagosei Co., Ltd. | 973 |
14 |
| Agc, Inc. | 4809 |
14 |
| Resonac Corporation | 2766 |
14 |
| Applied Materials, Inc. | 18501 |
13 |
| Showa Denko K.K. | 2258 |
12 |
| Sumco Corporation | 1120 |
11 |
| Other owners | 333 |