- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/88 - Investigating the presence of flaws, defects or contamination
Patent holdings for IPC class G01N 21/88
Total number of patents in this class: 7422
10-year publication summary
|
486
|
525
|
622
|
651
|
636
|
630
|
598
|
648
|
705
|
513
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KLA Corporation | 1871 |
309 |
| KLA-Tencor Corporation | 2517 |
274 |
| LG Energy Solution, Ltd. | 19305 |
131 |
| Samsung Electronics Co., Ltd. | 158605 |
100 |
| FUJIFILM Corporation | 30628 |
100 |
| Hitachi High-Tech Corporation | 5941 |
94 |
| Omron Corporation | 7402 |
79 |
| ASML Netherlands B.V. | 7987 |
72 |
| The Boeing Company | 20196 |
67 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
64 |
| Contemporary Amperex Technology Co., Limited | 10270 |
64 |
| NEC Corporation | 37227 |
60 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48629 |
56 |
| Applied Materials, Inc. | 20514 |
54 |
| Koh Young Technology Inc. | 368 |
54 |
| Applied Materials Israel, Ltd. | 688 |
45 |
| Canon Inc. | 44134 |
44 |
| Tokyo Electron Limited | 13884 |
43 |
| Boe Technology Group Co., Ltd. | 44484 |
43 |
| Samsung Display Co., Ltd. | 38914 |
41 |
| Other owners | 5628 |