- 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: 1184
10-year publication summary
|
81
|
97
|
108
|
99
|
110
|
114
|
125
|
114
|
98
|
46
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 11322 |
28 |
| Fujikin Incorporated | 671 |
25 |
| Cytiva Sweden AB | 741 |
18 |
| KLA Corporation | 1223 |
16 |
| KLA-Tencor Corporation | 2574 |
15 |
| Halliburton Energy Services, Inc. | 20165 |
11 |
| Tokushima University | 184 |
11 |
| Shimadzu Corporation | 5791 |
10 |
| The Trustees of the University of Pennsylvania | 4122 |
10 |
| Carl Zeiss SMT GmbH | 2646 |
9 |
| Shiseido Company, Ltd. | 3761 |
9 |
| VUV Analytics, Inc. | 15 |
9 |
| Applied Materials, Inc. | 16587 |
8 |
| Duvas Technologies Limited | 14 |
8 |
| Gigaphoton Inc. | 1120 |
8 |
| Samsung Electronics Co., Ltd. | 131630 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
6 |
| Chevron Phillips Chemical Company LP | 1779 |
6 |
| GE Healthcare Bio-Sciences AB | 570 |
6 |
| IFP Energies Nouvelles | 2717 |
6 |
| Other owners | 958 |