- 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: 1561
10-year publication summary
|
133
|
154
|
170
|
151
|
122
|
88
|
79
|
75
|
81
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shimadzu Corporation | 6272 |
34 |
| Trinamix GmbH | 415 |
30 |
| Omni Medsci, Inc. | 37 |
28 |
| Samsung Electronics Co., Ltd. | 151017 |
24 |
| Hamamatsu Photonics K.K. | 4555 |
20 |
| Viavi Solutions Inc. | 1487 |
20 |
| Endress+Hauser Optical Analysis, Inc. | 111 |
19 |
| Apple Inc. | 56891 |
16 |
| Seiko Epson Corporation | 19809 |
12 |
| Halliburton Energy Services, Inc. | 21117 |
11 |
| Siemens AG | 24294 |
11 |
| Centre National de La Recherche Scientifique | 10801 |
11 |
| Massachusetts Institute of Technology | 10181 |
11 |
| Agilent Technologies, Inc. | 2651 |
11 |
| Outsense Diagnostics Ltd. | 20 |
11 |
| Yokogawa Electric Corporation | 1834 |
10 |
| The Boeing Company | 20101 |
9 |
| Canon Inc. | 41573 |
9 |
| California Institute of Technology | 4006 |
9 |
| Honeywell International Inc. | 13558 |
8 |
| Other owners | 1247 |