- 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: 4291
10-year publication summary
|
332
|
290
|
373
|
348
|
319
|
350
|
381
|
348
|
374
|
22
|
| 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. | 27473 |
138 |
| Hamamatsu Photonics K.K. | 4304 |
54 |
| The Regents of the University of California | 19503 |
40 |
| FUJIFILM Corporation | 28555 |
38 |
| Tsinghua University | 5700 |
38 |
| Shimadzu Corporation | 6010 |
36 |
| Nuctech Company Limited | 1347 |
36 |
| Massachusetts Institute of Technology | 9912 |
34 |
| Atonarp Inc | 112 |
34 |
| Samsung Electronics Co., Ltd. | 138729 |
31 |
| Agency for Science, Technology and Research | 3562 |
31 |
| ChemImage Corporation | 202 |
27 |
| Centre National de La Recherche Scientifique | 10091 |
26 |
| Seiko Epson Corporation | 18984 |
26 |
| Thermo Scientific Portable Analytical Instruments Inc. | 119 |
24 |
| Hon Hai Precision Industry Co., Ltd. | 4045 |
23 |
| California Institute of Technology | 3934 |
23 |
| Endress+Hauser Optical Analysis, Inc. | 95 |
23 |
| Metrohm Spectro, Inc. | 68 |
23 |
| Canon Inc. | 38114 |
21 |
| Other owners | 3565 |