- 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 3/02 - Spectrometry; Spectrophotometry; Monochromators; Measuring colours - Details
Patent holdings for IPC class G01J 3/02
Total number of patents in this class: 4852
10-year publication summary
|
381
|
450
|
451
|
578
|
567
|
565
|
495
|
434
|
352
|
135
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4161 |
140 |
| Samsung Electronics Co., Ltd. | 131630 |
112 |
| Seiko Epson Corporation | 18724 |
101 |
| Viavi Solutions Inc. | 1363 |
82 |
| Shimadzu Corporation | 5791 |
60 |
| Raytheon Company | 8535 |
55 |
| Robert Bosch GmbH | 40953 |
47 |
| Konica Minolta, Inc. | 8349 |
45 |
| Rebellion Photonics, Inc. | 77 |
42 |
| Halliburton Energy Services, Inc. | 20165 |
41 |
| Canon Inc. | 36841 |
36 |
| Thermo Electron Scientific Instruments LLC | 169 |
36 |
| Massachusetts Institute of Technology | 9795 |
34 |
| Verifood, Ltd. | 53 |
34 |
| California Institute of Technology | 3884 |
33 |
| IMEC VZW | 1410 |
32 |
| Corning Incorporated | 9932 |
28 |
| Trinamix GmbH | 252 |
25 |
| Thermo Scientific Portable Analytical Instruments Inc. | 114 |
24 |
| Apple Inc. | 50209 |
22 |
| Other owners | 3823 |