- 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: 2621
10-year publication summary
|
156
|
157
|
205
|
193
|
196
|
184
|
174
|
175
|
153
|
146
|
| 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. | 25577 |
105 |
| ChemImage Corporation | 160 |
47 |
| Samsung Electronics Co., Ltd. | 149198 |
37 |
| Massachusetts Institute of Technology | 10150 |
28 |
| Metrohm Spectro, Inc. | 61 |
28 |
| Renishaw plc | 771 |
27 |
| The Regents of the University of California | 20303 |
26 |
| Endress+Hauser Optical Analysis, Inc. | 109 |
25 |
| Thermo Scientific Portable Analytical Instruments Inc. | 135 |
23 |
| Shimadzu Corporation | 6235 |
23 |
| Tsinghua University | 6023 |
21 |
| The General Hospital Corporation | 4801 |
20 |
| Canon Inc. | 41151 |
19 |
| The Board of Trustees of the Leland Stanford Junior University | 6541 |
18 |
| Nova Ltd. | 176 |
17 |
| Hon Hai Precision Industry Co., Ltd. | 4024 |
16 |
| Life Technologies Corporation | 3351 |
16 |
| Hamamatsu Photonics K.K. | 4499 |
16 |
| Purdue Research Foundation | 3732 |
16 |
| Chemimage Technologies LLC | 51 |
16 |
| Other owners | 2077 |