- All sections
- G - Physics
- G01J - Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet lightcolorimetryradiation pyrometry
- G01J 3/42 - Absorption spectrometryDouble-beam spectrometryFlicker spectrometryReflection spectrometry
Patent holdings for IPC class G01J 3/42
Total number of patents in this class: 1571
10-year publication summary
|
136
|
161
|
174
|
159
|
125
|
88
|
86
|
83
|
85
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shimadzu Corporation | 6310 |
36 |
| Trinamix GmbH | 426 |
30 |
| Omni Medsci, Inc. | 37 |
28 |
| Samsung Electronics Co., Ltd. | 155224 |
24 |
| Hamamatsu Photonics K.K. | 4620 |
21 |
| Viavi Solutions Inc. | 1519 |
20 |
| Endress+Hauser Optical Analysis, Inc. | 113 |
19 |
| Apple Inc. | 58268 |
16 |
| Seiko Epson Corporation | 20081 |
13 |
| Halliburton Energy Services, Inc. | 21257 |
11 |
| Siemens AG | 24132 |
11 |
| Centre National de La Recherche Scientifique | 10914 |
11 |
| Massachusetts Institute of Technology | 10204 |
11 |
| Agilent Technologies, Inc. | 2647 |
11 |
| Outsense Diagnostics Ltd. | 21 |
11 |
| Yokogawa Electric Corporation | 1858 |
10 |
| The Boeing Company | 20131 |
9 |
| Canon Inc. | 42633 |
9 |
| California Institute of Technology | 4023 |
9 |
| Rebellion Photonics, Inc. | 98 |
9 |
| Other owners | 1252 |