- 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 1/02 - Photometry, e.g. photographic exposure meter - Details
Patent holdings for IPC class G01J 1/02
Total number of patents in this class: 2219
10-year publication summary
182
|
186
|
235
|
276
|
223
|
174
|
179
|
177
|
153
|
49
|
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 |
70 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
58 |
Samsung Electronics Co., Ltd. | 131630 |
42 |
Sony Semiconductor Solutions Corporation | 8770 |
40 |
Mitsubishi Electric Corporation | 43934 |
37 |
Murata Manufacturing Co., Ltd. | 22355 |
33 |
FUJIFILM Corporation | 27102 |
32 |
Apple Inc. | 50209 |
27 |
NEC Corporation | 32703 |
26 |
Panasonic Corporation | 20786 |
26 |
Sumitomo Electric Industries, Ltd. | 14131 |
24 |
Omron Corporation | 6968 |
24 |
View, Inc. | 792 |
24 |
Raytheon Company | 8535 |
23 |
Pixart Imaging Inc. | 1581 |
22 |
Lutron Technology Company LLC | 2300 |
21 |
Pioneer Corporation | 4843 |
18 |
Mitsubishi Materials Corporation | 2378 |
18 |
Kyocera Corporation | 12735 |
15 |
Denso Corporation | 23338 |
14 |
Other owners | 1625 |