- 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: 2580
10-year publication summary
|
163
|
163
|
215
|
195
|
201
|
188
|
174
|
180
|
153
|
88
|
| 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. | 25895 |
109 |
| ChemImage Corporation | 172 |
54 |
| Samsung Electronics Co., Ltd. | 146092 |
37 |
| Metrohm Spectro, Inc. | 64 |
29 |
| Massachusetts Institute of Technology | 10057 |
28 |
| The Regents of the University of California | 19918 |
26 |
| Endress+Hauser Optical Analysis, Inc. | 104 |
24 |
| Shimadzu Corporation | 6169 |
23 |
| Renishaw plc | 763 |
23 |
| Tsinghua University | 5922 |
21 |
| The General Hospital Corporation | 4733 |
20 |
| Canon Inc. | 39888 |
19 |
| Thermo Scientific Portable Analytical Instruments Inc. | 123 |
19 |
| Chemimage Technologies LLC | 55 |
18 |
| Hon Hai Precision Industry Co., Ltd. | 4033 |
16 |
| The Board of Trustees of the Leland Stanford Junior University | 6408 |
16 |
| Nuctech Company Limited | 1422 |
16 |
| Nova Ltd. | 171 |
16 |
| Life Technologies Corporation | 3298 |
15 |
| Hamamatsu Photonics K.K. | 4417 |
15 |
| Other owners | 2036 |