- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 27/447 - Systems using electrophoresis
Patent holdings for IPC class G01N 27/447
Total number of patents in this class: 3480
10-year publication summary
|
343
|
301
|
288
|
236
|
236
|
232
|
199
|
218
|
186
|
98
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi High-Tech Corporation | 5884 |
142 |
| Roche Sequencing Solutions, Inc. | 729 |
112 |
| Life Technologies Corporation | 3458 |
83 |
| The Regents of the University of California | 20790 |
82 |
| Bio-Rad Laboratories, Inc. | 1612 |
72 |
| Shimadzu Corporation | 6354 |
56 |
| ARKRAY, Inc. | 856 |
48 |
| International Business Machines Corporation | 62672 |
45 |
| DH Technologies Development Pte. Ltd. | 1176 |
43 |
| Agilent Technologies, Inc. | 2638 |
42 |
| Sharp Kabushiki Kaisha | 18525 |
41 |
| Oxford NanoPore Technologies plc | 398 |
39 |
| ProteinSimple | 89 |
37 |
| Regeneron Pharmaceuticals, Inc. | 4741 |
37 |
| The Board of Trustees of the Leland Stanford Junior University | 6668 |
36 |
| Illumina, Inc. | 3514 |
34 |
| IntegenX Inc. | 104 |
33 |
| President and Fellows of Harvard College | 6096 |
30 |
| University of Washington | 2449 |
29 |
| Hitachi High-Technologies Corporation | 1987 |
28 |
| Other owners | 2411 |