- 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: 4468
10-year publication summary
|
332
|
290
|
371
|
347
|
316
|
349
|
387
|
356
|
382
|
215
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 25869 |
133 |
| Hamamatsu Photonics K.K. | 4419 |
57 |
| FUJIFILM Corporation | 29424 |
46 |
| The Regents of the University of California | 19943 |
42 |
| Tsinghua University | 5937 |
39 |
| Shimadzu Corporation | 6171 |
39 |
| Nuctech Company Limited | 1422 |
36 |
| Atonarp Inc | 115 |
35 |
| Massachusetts Institute of Technology | 10057 |
32 |
| Samsung Electronics Co., Ltd. | 146534 |
31 |
| Agency for Science, Technology and Research | 3627 |
31 |
| Thermo Scientific Portable Analytical Instruments Inc. | 126 |
29 |
| Endress+Hauser Optical Analysis, Inc. | 104 |
28 |
| Centre National de La Recherche Scientifique | 10442 |
27 |
| Seiko Epson Corporation | 19371 |
26 |
| Metrohm Spectro, Inc. | 64 |
24 |
| Canon Inc. | 40015 |
23 |
| Hon Hai Precision Industry Co., Ltd. | 4027 |
23 |
| California Institute of Technology | 3975 |
23 |
| Apollon Inc. | 27 |
23 |
| Other owners | 3721 |