- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/65 - Raman scattering
Patent holdings for IPC class G01N 21/65
Total number of patents in this class: 4047
10-year publication summary
|
299
|
332
|
290
|
373
|
347
|
319
|
347
|
378
|
341
|
102
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 28538 |
149 |
| Hamamatsu Photonics K.K. | 4161 |
54 |
| The Regents of the University of California | 18943 |
39 |
| Nuctech Company Limited | 1275 |
38 |
| FUJIFILM Corporation | 27102 |
36 |
| Tsinghua University | 5426 |
36 |
| ChemImage Corporation | 225 |
35 |
| Massachusetts Institute of Technology | 9795 |
32 |
| Shimadzu Corporation | 5791 |
30 |
| Samsung Electronics Co., Ltd. | 131630 |
29 |
| Agency for Science, Technology and Research | 3512 |
27 |
| Atonarp Inc | 101 |
27 |
| Centre National de La Recherche Scientifique | 9632 |
26 |
| Seiko Epson Corporation | 18724 |
26 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
23 |
| California Institute of Technology | 3884 |
22 |
| Thermo Scientific Portable Analytical Instruments Inc. | 114 |
22 |
| Metrohm Spectro, Inc. | 66 |
22 |
| Canon Inc. | 36841 |
20 |
| OndaVia, Inc. | 28 |
20 |
| Other owners | 3334 |