- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/10 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof in which radiation controls flow of current through the device, e.g. photoresistors characterised by at least one potential-jump barrier or surface barrier, e.g. phototransistors
Patent holdings for IPC class H01L 31/10
Total number of patents in this class: 1391
10-year publication summary
|
68
|
95
|
144
|
115
|
128
|
105
|
106
|
48
|
25
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Semiconductor Solutions Corporation | 11648 |
236 |
| Sharp Kabushiki Kaisha | 18525 |
99 |
| Sony Corporation | 30139 |
98 |
| FUJIFILM Corporation | 30543 |
86 |
| Hamamatsu Photonics K.K. | 4700 |
80 |
| Nippon Telegraph and Telephone Corporation | 15928 |
48 |
| Panasonic Intellectual Property Management Co., Ltd. | 34080 |
46 |
| Sumitomo Chemical Company, Limited | 8968 |
41 |
| Sumitomo Electric Industries, Ltd. | 16396 |
36 |
| Mitsubishi Electric Corporation | 48097 |
31 |
| Japan Display Inc. | 3013 |
27 |
| Semiconductor Energy Laboratory Co., Ltd. | 11842 |
22 |
| NEC Corporation | 37064 |
21 |
| Kyoto Semiconductor Co., Ltd. | 45 |
13 |
| Denso Corporation | 25607 |
12 |
| Sony Group Corporation | 15745 |
12 |
| Panasonic Corporation | 18951 |
11 |
| Canon Kabushiki Kaisha | 7351 |
11 |
| Fujitsu Limited | 16867 |
10 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
10 |
| Other owners | 441 |