- 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 3/18 - Generating the spectrum; Monochromators using diffraction elements, e.g. grating
Patent holdings for IPC class G01J 3/18
Total number of patents in this class: 1080
10-year publication summary
|
77
|
79
|
105
|
123
|
124
|
119
|
102
|
85
|
62
|
20
|
| 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 |
60 |
| Shimadzu Corporation | 5791 |
29 |
| Samsung Electronics Co., Ltd. | 131630 |
23 |
| Omni Medsci, Inc. | 27 |
20 |
| Raytheon Company | 8535 |
18 |
| Wavefront Research, Inc. | 102 |
17 |
| California Institute of Technology | 3884 |
12 |
| The General Hospital Corporation | 4517 |
12 |
| Corning Incorporated | 9932 |
11 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1102 |
10 |
| OtO Photonics, Inc. | 18 |
10 |
| Thermo Fisher Scientific (Bremen) GmbH | 496 |
10 |
| Sony Group Corporation | 10730 |
10 |
| Ricoh Company, Ltd. | 13266 |
9 |
| Konica Minolta, Inc. | 8349 |
9 |
| Carl Zeiss Microscopy GmbH | 1146 |
9 |
| IMEC VZW | 1410 |
9 |
| Canon U.S.A., Inc. | 472 |
8 |
| Thermo Electron Scientific Instruments LLC | 169 |
8 |
| PerkinElmer Health Sciences, Inc. | 274 |
8 |
| Other owners | 778 |