- 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: 2427
10-year publication summary
|
235
|
276
|
223
|
174
|
179
|
181
|
158
|
142
|
106
|
61
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4663 |
70 |
| Panasonic Intellectual Property Management Co., Ltd. | 33845 |
64 |
| Samsung Electronics Co., Ltd. | 157300 |
59 |
| Sony Semiconductor Solutions Corporation | 11543 |
47 |
| Mitsubishi Electric Corporation | 47943 |
41 |
| FUJIFILM Corporation | 30479 |
34 |
| Apple Inc. | 58621 |
30 |
| Murata Manufacturing Co., Ltd. | 25708 |
27 |
| NEC Corporation | 36860 |
26 |
| Panasonic Corporation | 19103 |
26 |
| Sumitomo Electric Industries, Ltd. | 16303 |
25 |
| Omron Corporation | 7357 |
25 |
| Lutron Technology Company LLC | 2744 |
25 |
| View Operating Corporation | 564 |
25 |
| Raytheon Company | 8456 |
23 |
| Pioneer Corporation | 3789 |
18 |
| Mitsubishi Materials Corporation | 2468 |
18 |
| Pixart Imaging Inc. | 1724 |
18 |
| Kyocera Corporation | 14333 |
16 |
| Konica Minolta, Inc. | 9110 |
15 |
| Other owners | 1795 |