- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/33 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
Patent holdings for IPC class G01N 21/33
Total number of patents in this class: 1392
10-year publication summary
|
108
|
99
|
110
|
114
|
132
|
124
|
110
|
121
|
91
|
57
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 14275 |
30 |
| Fujikin Incorporated | 699 |
27 |
| KLA Corporation | 1862 |
25 |
| Cytiva Sweden AB | 790 |
17 |
| VUV Analytics, Inc. | 27 |
15 |
| Shimadzu Corporation | 6354 |
13 |
| Carl Zeiss SMT GmbH | 3342 |
13 |
| KLA-Tencor Corporation | 2518 |
13 |
| Samsung Electronics Co., Ltd. | 158156 |
11 |
| Halliburton Energy Services, Inc. | 21305 |
11 |
| The Trustees of the University of Pennsylvania | 4416 |
11 |
| Tokushima University | 247 |
11 |
| Applied Materials, Inc. | 20438 |
10 |
| Shiseido Company, Ltd. | 4255 |
9 |
| The Regents of the University of California | 20790 |
8 |
| Duvas Technologies Limited | 14 |
8 |
| Gigaphoton Inc. | 1328 |
8 |
| Regeneron Pharmaceuticals, Inc. | 4741 |
8 |
| Courage + Khazaka electronic GmbH | 39 |
7 |
| Shenzhen DiKai Industrial Co., Ltd. | 20 |
7 |
| Other owners | 1130 |