- 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 3/443 - Emission spectrometry
Patent holdings for IPC class G01J 3/443
Total number of patents in this class: 546
10-year publication summary
|
43
|
51
|
58
|
51
|
52
|
39
|
39
|
25
|
35
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 12067 |
22 |
| SciAps, Inc. | 37 |
21 |
| Thermo Fisher Scientific (Ecublens) SARL | 30 |
15 |
| Thermo Fisher Scientific (Bremen) GmbH | 555 |
13 |
| Agilent Technologies, Inc. | 2684 |
12 |
| Applied Materials, Inc. | 17676 |
11 |
| Hamamatsu Photonics K.K. | 4303 |
11 |
| Samsung Electronics Co., Ltd. | 138320 |
10 |
| Hitachi High-Tech Corporation | 5014 |
9 |
| Thermo Scientific Portable Analytical Instruments Inc. | 119 |
7 |
| National Research Council of Canada | 1566 |
7 |
| Shimadzu Corporation | 5987 |
6 |
| Elemental Scientific, Inc. | 260 |
6 |
| Industry-Academic Cooperation Foundation, Yonsei University | 2376 |
6 |
| Speclipse, Inc. | 43 |
6 |
| Fariaut Instruments | 6 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10667 |
5 |
| National Institute of Advanced Industrial Science and Technology | 3727 |
5 |
| SPECTRO Analytical Instruments GmbH | 65 |
5 |
| Viavi Solutions Inc. | 1395 |
5 |
| Other owners | 358 |