- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 1/32 - PolishingEtching
Patent holdings for IPC class G01N 1/32
Total number of patents in this class: 260
10-year publication summary
|
19
|
21
|
12
|
13
|
17
|
17
|
22
|
14
|
15
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FEI Company | 990 |
43 |
| Hitachi High-Tech Analysis Corporation | 282 |
13 |
| Carl Zeiss Microscopy GmbH | 1226 |
7 |
| Hitachi High-Tech Corporation | 5468 |
6 |
| Gatan, Inc. | 111 |
5 |
| Techinsights Inc. | 94 |
5 |
| Tescan Group, A.S. | 32 |
5 |
| Hitachi High-Technologies Corporation | 1996 |
4 |
| IAS Inc. | 34 |
4 |
| JEOL Ltd. | 602 |
4 |
| Illinois Tool Works Inc. | 11554 |
3 |
| Micron Technology, Inc. | 26558 |
3 |
| Hitachi, Ltd. | 15692 |
3 |
| Hitachi High-Tech Science Corporation | 52 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46161 |
3 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5062 |
3 |
| Globalwafers Co., Ltd. | 654 |
3 |
| Howard Hughes Medical Institute | 231 |
3 |
| IB Labs, Inc. | 5 |
3 |
| JFE Steel Corporation | 7054 |
3 |
| Other owners | 134 |