- 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: 1302
10-year publication summary
|
94
|
105
|
99
|
109
|
112
|
130
|
118
|
101
|
105
|
69
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13442 |
30 |
| Fujikin Incorporated | 694 |
26 |
| KLA Corporation | 1619 |
21 |
| Cytiva Sweden AB | 765 |
18 |
| KLA-Tencor Corporation | 2543 |
13 |
| Halliburton Energy Services, Inc. | 20991 |
11 |
| Shimadzu Corporation | 6202 |
11 |
| The Trustees of the University of Pennsylvania | 4366 |
11 |
| Carl Zeiss SMT GmbH | 3038 |
11 |
| Tokushima University | 223 |
11 |
| VUV Analytics, Inc. | 18 |
11 |
| Samsung Electronics Co., Ltd. | 148077 |
10 |
| Applied Materials, Inc. | 19005 |
9 |
| Shiseido Company, Ltd. | 4127 |
9 |
| Duvas Technologies Limited | 14 |
8 |
| Gigaphoton Inc. | 1249 |
8 |
| Regeneron Pharmaceuticals, Inc. | 4370 |
8 |
| Courage + Khazaka electronic GmbH | 37 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 32095 |
6 |
| Chevron Phillips Chemical Company LP | 1843 |
6 |
| Other owners | 1057 |