- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/01 - Arrangements or apparatus for facilitating the optical investigation
Patent holdings for IPC class G01N 21/01
Total number of patents in this class: 2581
10-year publication summary
|
171
|
171
|
183
|
237
|
222
|
237
|
223
|
249
|
190
|
143
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 22952 |
38 |
| Hamamatsu Photonics K.K. | 4238 |
32 |
| Hitachi High-Tech Corporation | 4795 |
27 |
| KLA-Tencor Corporation | 2560 |
25 |
| Halliburton Energy Services, Inc. | 20206 |
24 |
| FUJIFILM Corporation | 27430 |
24 |
| Shimadzu Corporation | 5859 |
21 |
| Panasonic Intellectual Property Management Co., Ltd. | 28611 |
19 |
| The Regents of the University of California | 19150 |
18 |
| Boe Technology Group Co., Ltd. | 37070 |
18 |
| Siemens Healthcare Diagnostics Inc. | 1967 |
17 |
| Ushio Denki Kabushiki Kaisha | 1110 |
17 |
| Becton, Dickinson and Company | 6890 |
16 |
| Illumina, Inc. | 2890 |
16 |
| Essenlix Corporation, DBA Essenlix Corporation | 271 |
14 |
| Sony Corporation | 31863 |
13 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10604 |
12 |
| The University of Tokyo | 3969 |
12 |
| Osaka University | 3216 |
11 |
| Gen-Probe Incorporated | 982 |
10 |
| Other owners | 2197 |