- All sections
- G - Physics
- G01J - Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet lightcolorimetryradiation pyrometry
- G01J 1/02 - Photometry, e.g. photographic exposure meter Details
Patent holdings for IPC class G01J 1/02
Total number of patents in this class: 2338
10-year publication summary
|
184
|
232
|
270
|
222
|
172
|
172
|
179
|
152
|
137
|
76
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4441 |
69 |
| Panasonic Intellectual Property Management Co., Ltd. | 31756 |
63 |
| Samsung Electronics Co., Ltd. | 147334 |
54 |
| Sony Semiconductor Solutions Corporation | 10570 |
43 |
| Mitsubishi Electric Corporation | 46346 |
41 |
| FUJIFILM Corporation | 29506 |
33 |
| Apple Inc. | 55345 |
30 |
| Murata Manufacturing Co., Ltd. | 24684 |
29 |
| Panasonic Corporation | 20059 |
27 |
| NEC Corporation | 35879 |
26 |
| Sumitomo Electric Industries, Ltd. | 15576 |
25 |
| Omron Corporation | 7267 |
25 |
| Lutron Technology Company LLC | 2573 |
25 |
| View Operating Corporation | 527 |
25 |
| Raytheon Company | 8387 |
23 |
| Pioneer Corporation | 4301 |
18 |
| Mitsubishi Materials Corporation | 2453 |
18 |
| Pixart Imaging Inc. | 1672 |
18 |
| Kyocera Corporation | 13887 |
15 |
| Konica Minolta, Inc. | 8769 |
15 |
| Other owners | 1716 |