- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 1/28 - Preparing specimens for investigation
Patent holdings for IPC class G01N 1/28
Total number of patents in this class: 5098
10-year publication summary
|
349
|
401
|
436
|
502
|
367
|
363
|
340
|
347
|
302
|
207
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Becton, Dickinson and Company | 7593 |
85 |
| FEI Company | 1057 |
67 |
| Essenlix Corporation, DBA Essenlix Corporation | 280 |
53 |
| Shimadzu Corporation | 6364 |
51 |
| Bio-Rad Laboratories, Inc. | 1610 |
50 |
| Hitachi High-Tech Corporation | 5918 |
47 |
| Leica Microsystems CMS GmbH | 1140 |
45 |
| Sysmex Corporation | 1438 |
43 |
| Siemens Healthcare Diagnostics Inc. | 2152 |
39 |
| Ventana Medical Systems, Inc. | 1072 |
38 |
| Hitachi High-Technologies Corporation | 1987 |
37 |
| Agilent Technologies, Inc. | 2637 |
31 |
| The Regents of the University of California | 20815 |
30 |
| Precision Planting LLC | 1199 |
28 |
| Sakura Finetek Japan Co., Ltd. | 85 |
28 |
| Olympus Corporation | 12920 |
24 |
| Sakura Seiki Co., Ltd. | 70 |
23 |
| Saudi Arabian Oil Company | 14305 |
23 |
| President and Fellows of Harvard College | 6105 |
22 |
| Northwestern University | 3557 |
21 |
| Other owners | 4313 |