- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21W - Indexing scheme associated with subclasses , , and , relating to uses or applications of lighting devices or systems
- F21W 102/20 - Illuminance distribution within the emitted light
Patent holdings for IPC class F21W 102/20
Total number of patents in this class: 83
10-year publication summary
|
0
|
0
|
0
|
2
|
4
|
23
|
17
|
13
|
9
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koito Manufacturing Co., Ltd. | 1991 |
36 |
| Stanley Electric Co., Ltd. | 1102 |
6 |
| Ichikoh Industries, Ltd. | 303 |
5 |
| HASCO Vision Technology Co.,Ltd. | 260 |
5 |
| LinOptx, LLC | 5 |
4 |
| Flex-N-Gate Advanced Product Development, LLC | 65 |
3 |
| Hella GmbH & Co. KGaA | 1392 |
3 |
| Honda Motor Co., Ltd. | 24537 |
2 |
| Mazda Motor Corporation | 3087 |
2 |
| SL Corporation | 241 |
2 |
| Honeywell International Inc. | 13799 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Funai Electric Co., Ltd. | 882 |
1 |
| Excellence Optoelectronics Inc. | 19 |
1 |
| Hyundai Mobis Co., Ltd. | 2668 |
1 |
| Il Heung Co., Ltd. | 5 |
1 |
| Valeo Vision | 1219 |
1 |
| Zkw Group GmbH | 578 |
1 |
| Excellence Optoelectronics (Dong Guan) Ltd. | 3 |
1 |
| Maxell Holdings, Ltd. | 1422 |
1 |
| Other owners | 5 |