- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/28 - using a single device as a light source or a light receiver
Patent holdings for IPC class H04B 10/28
Total number of patents in this class: 36
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
6 |
| NEC Corporation | 32703 |
4 |
| Nippon Telegraph and Telephone Corporation | 14195 |
3 |
| Fujitsu Optical Components Limited | 266 |
2 |
| NTT Electronics Corporation | 283 |
2 |
| Hewlett-Packard Development Company, L.P. | 28538 |
1 |
| Intel Corporation | 45621 |
1 |
| Hitachi, Ltd. | 16452 |
1 |
| Koninklijke Philips Electronics N.V. | 13133 |
1 |
| Olympus Corporation | 13667 |
1 |
| Omron Corporation | 6968 |
1 |
| Hamamatsu Photonics K.K. | 4161 |
1 |
| Advantest Corporation | 1939 |
1 |
| Fujikura Ltd. | 2777 |
1 |
| The Furukawa Electric Co., Ltd. | 3486 |
1 |
| Commonwealth Scientific and Industrial Research Organisation | 1652 |
1 |
| Kabushiki Kaisha Audio-Technica | 148 |
1 |
| Kabushiki Kaisha Toyota Chuo Kenkyusho | 587 |
1 |
| LG-Ericsson Co., Ltd. | 16 |
1 |
| Luxpert Technologies Co., Ltd. | 10 |
1 |
| Other owners | 4 |