- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/552 - Attenuated total reflection
Patent holdings for IPC class G01N 21/552
Total number of patents in this class: 1592
10-year publication summary
|
156
|
165
|
168
|
152
|
139
|
145
|
95
|
110
|
78
|
63
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Healthineers Nederland B.V. | 107 |
34 |
| Cytiva Sweden AB | 792 |
25 |
| Nicoya Lifesciences Inc. | 120 |
24 |
| Aryballe Technologies | 62 |
24 |
| Centre National de La Recherche Scientifique | 11092 |
23 |
| Otsuka Pharmaceutical Co., Ltd. | 1508 |
20 |
| Dxcover Limited | 33 |
20 |
| Schlumberger Technology Corporation | 11924 |
16 |
| The Regents of the University of California | 20868 |
13 |
| Asahi Kasei Microdevices Corporation | 605 |
12 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11128 |
11 |
| Samsung Electronics Co., Ltd. | 158842 |
10 |
| Hamamatsu Photonics K.K. | 4703 |
10 |
| International Business Machines Corporation | 62769 |
9 |
| Baker Hughes Oilfield Operations, LLC | 2556 |
9 |
| Hewlett-Packard Development Company, L.P. | 25148 |
8 |
| Ricoh Company, Ltd. | 13355 |
8 |
| The United States of America as represented by the Secretary of the Navy | 2866 |
8 |
| The Board of Trustees of the University of Illinois | 2755 |
8 |
| Korea Research Institute of Standards and Science | 691 |
8 |
| Other owners | 1292 |