- 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: 4538
10-year publication summary
|
296
|
302
|
346
|
399
|
431
|
490
|
358
|
340
|
310
|
90
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Becton, Dickinson and Company | 6712 |
78 |
| FEI Company | 851 |
52 |
| Bio-Rad Laboratories, Inc. | 1592 |
50 |
| Shimadzu Corporation | 5791 |
46 |
| Essenlix Corporation, DBA Essenlix Corporation | 266 |
45 |
| Sysmex Corporation | 1418 |
39 |
| Hitachi High-Technologies Corporation | 2034 |
38 |
| Ventana Medical Systems, Inc. | 972 |
38 |
| Leica Microsystems CMS GmbH | 1034 |
37 |
| Hitachi High-Tech Corporation | 4424 |
33 |
| Agilent Technologies, Inc. | 2744 |
30 |
| Sakura Finetek Japan Co., Ltd. | 85 |
30 |
| Siemens Healthcare Diagnostics Inc. | 1946 |
30 |
| The Regents of the University of California | 18943 |
27 |
| Olympus Corporation | 13667 |
26 |
| Sakura Seiki Co., Ltd. | 71 |
25 |
| President and Fellows of Harvard College | 5792 |
22 |
| Hamamatsu Photonics K.K. | 4161 |
19 |
| Saudi Arabian Oil Company | 11322 |
19 |
| Life Technologies Corporation | 3068 |
18 |
| Other owners | 3836 |