- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 30/72 - Mass spectrometers
Patent holdings for IPC class G01N 30/72
Total number of patents in this class: 3382
10-year publication summary
|
205
|
246
|
268
|
257
|
291
|
341
|
296
|
311
|
255
|
50
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shimadzu Corporation | 6298 |
308 |
| Waters Technologies Corporation | 1770 |
133 |
| DH Technologies Development Pte. Ltd. | 1152 |
107 |
| Regeneron Pharmaceuticals, Inc. | 4571 |
97 |
| Micromass UK Limited | 1133 |
91 |
| Thermo Finnigan LLC | 644 |
74 |
| Quest Diagnostics Investments Incorporated | 395 |
64 |
| Thermo Fisher Scientific (Bremen) GmbH | 613 |
50 |
| Roche Diagnostics Operations, Inc. | 1505 |
46 |
| Hitachi High-Tech Corporation | 5601 |
45 |
| Quest Diagnostics Investments LLC | 423 |
38 |
| The Regents of the University of California | 20473 |
35 |
| Agilent Technologies, Inc. | 2651 |
30 |
| Board of Regents, The University of Texas System | 6036 |
26 |
| Purdue Research Foundation | 3814 |
25 |
| LG Chem, Ltd. | 17778 |
22 |
| Saudi Arabian Oil Company | 13921 |
22 |
| Mayo Foundation for Medical Education and Research | 3345 |
19 |
| Leco Corporation | 200 |
19 |
| Laboratory Corporation of America Holdings | 826 |
17 |
| Other owners | 2114 |