- All sections
- B - Performing operations; transporting
- B24B - Machines, devices, or processes for grinding or polishing; dressing or conditioning of abrading surfaces; feeding of grinding, polishing, or lapping agents
- B24B 37/00 - Lapping machines or devices; Accessories
Patent holdings for IPC class B24B 37/00
Total number of patents in this class: 1136
10-year publication summary
|
96
|
98
|
69
|
87
|
94
|
68
|
48
|
51
|
53
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujimi Incorporated | 676 |
290 |
| Hitachi Chemical Company, Ltd. | 2455 |
82 |
| JSR Corporation | 2476 |
52 |
| Ebara Corporation | 1951 |
44 |
| Nitta Haas Incorporated | 75 |
38 |
| Kao Corporation | 4843 |
35 |
| Asahi Glass Company, Limited | 2985 |
34 |
| Shin-Etsu Handotai Co., Ltd. | 1277 |
30 |
| Konica Minolta, Inc. | 8349 |
26 |
| Hoya Corporation | 2822 |
26 |
| Mitsui Mining & Smelting Co., Ltd. | 1373 |
24 |
| JGC Catalysts and Chemicals Ltd. | 238 |
20 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
18 |
| FUJIFILM Corporation | 27102 |
17 |
| Showa Denko K.K. | 2539 |
17 |
| Toagosei Co., Ltd. | 894 |
13 |
| Resonac Corporation | 2233 |
13 |
| Sumco Corporation | 1116 |
10 |
| Applied Materials, Inc. | 16587 |
9 |
| Konica Minolta Advanced Layers, Inc. | 218 |
9 |
| Other owners | 329 |