- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 15/0227 - Investigating particle size or size distribution by optical means using imagingInvestigating particle size or size distribution by optical means using holography
Patent holdings for IPC class G01N 15/0227
Total number of patents in this class: 194
10-year publication summary
|
1
|
0
|
1
|
0
|
7
|
20
|
19
|
57
|
50
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honeywell International Inc. | 12790 |
8 |
| Schlumberger Technology Corporation | 11549 |
6 |
| HORIBA, Ltd. | 859 |
5 |
| Schlumberger Canada Limited | 7571 |
3 |
| Life Technologies Corporation | 3389 |
3 |
| Elitechgroup Inc. | 47 |
3 |
| IDEXX Laboratories, Inc. | 885 |
3 |
| Services Petroliers Schlumberger | 5981 |
3 |
| Siemens Healthcare Diagnostics Inc. | 2126 |
3 |
| Helmerich & Payne Technologies, LLC | 110 |
3 |
| Holtra AB | 8 |
3 |
| Schlumberger Technology B.v. | 5270 |
2 |
| The Regents of the University of California | 20587 |
2 |
| The Boeing Company | 20094 |
2 |
| Becton, Dickinson and Company | 7530 |
2 |
| Amgen Inc. | 4362 |
2 |
| Hitachi, Ltd. | 15920 |
2 |
| FUJIFILM Corporation | 30296 |
2 |
| Massachusetts Institute of Technology | 10209 |
2 |
| Georgia Tech Research Corporation | 2906 |
2 |
| Other owners | 133 |