- All sections
- G - Physics
- G01J - Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet lightcolorimetryradiation pyrometry
- G01J 3/44 - Raman spectrometryScattering spectrometry
Patent holdings for IPC class G01J 3/44
Total number of patents in this class: 2673
10-year publication summary
|
163
|
215
|
195
|
201
|
188
|
177
|
184
|
165
|
163
|
88
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 25170 |
94 |
| Samsung Electronics Co., Ltd. | 158442 |
37 |
| ChemImage Corporation | 129 |
34 |
| Massachusetts Institute of Technology | 10282 |
29 |
| Metrohm Spectro, Inc. | 61 |
28 |
| Renishaw plc | 758 |
27 |
| Endress+Hauser Optical Analysis, Inc. | 116 |
27 |
| The Regents of the University of California | 20815 |
25 |
| Shimadzu Corporation | 6364 |
25 |
| Thermo Scientific Portable Analytical Instruments Inc. | 138 |
23 |
| Tsinghua University | 6233 |
22 |
| Nova Ltd. | 195 |
20 |
| Canon Inc. | 44051 |
19 |
| The Board of Trustees of the Leland Stanford Junior University | 6687 |
18 |
| The General Hospital Corporation | 4875 |
18 |
| Hamamatsu Photonics K.K. | 4697 |
17 |
| Hon Hai Precision Industry Co., Ltd. | 4016 |
16 |
| Purdue Research Foundation | 3937 |
16 |
| Chemimage Technologies LLC | 48 |
16 |
| Nuctech Company Limited | 1479 |
16 |
| Other owners | 2146 |