- All sections
- G - Physics
- G01J - Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light; colorimetry; radiation pyrometry
- G01J 3/00 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours
Patent holdings for IPC class G01J 3/00
Total number of patents in this class: 687
10-year publication summary
50
|
67
|
76
|
64
|
59
|
37
|
34
|
25
|
18
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Omni Medsci, Inc. | 34 |
16 |
Halliburton Energy Services, Inc. | 20419 |
15 |
ChemImage Corporation | 202 |
10 |
Xerox Corporation | 7075 |
7 |
The General Hospital Corporation | 4645 |
7 |
Dental Monitoring | 141 |
7 |
Coloright Ltd. | 27 |
6 |
Endress+Hauser Optical Analysis, Inc. | 95 |
6 |
Samsung Electronics Co., Ltd. | 138729 |
5 |
ASML Netherlands B.V. | 7149 |
5 |
Commissariat à l'énergie atomique et aux energies alternatives | 10694 |
5 |
Purdue Research Foundation | 3475 |
5 |
The Regents of the University of California | 19503 |
4 |
Hewlett-Packard Development Company, L.P. | 27473 |
4 |
Thermo Electron Scientific Instruments LLC | 188 |
4 |
Behr Process Corporation | 223 |
4 |
Chemimage Technologies LLC | 64 |
4 |
Ecolab USA Inc. | 5338 |
4 |
Regents of the University of Minnesota | 2677 |
4 |
Suntracker Technologies Ltd. | 47 |
4 |
Other owners | 561 |