- All sections
- H - Electricity
- H02N - Electric machines not otherwise provided for
- H02N 1/04 - Friction generators
Patent holdings for IPC class H02N 1/04
Total number of patents in this class: 510
10-year publication summary
31
|
42
|
55
|
50
|
52
|
56
|
62
|
57
|
47
|
15
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Beijing Institute of Nanoenergy and Nanosystems | 64 |
38 |
Samsung Electronics Co., Ltd. | 131630 |
29 |
Georgia Tech Research Corporation | 2453 |
23 |
Newnagy (tangshan), LLC | 37 |
21 |
Zhejiang University | 2619 |
19 |
Koninklijke Philips N.V. | 22975 |
18 |
Boe Technology Group Co., Ltd. | 35384 |
18 |
Research & Business Foundation Sungkyunkwan University | 1640 |
18 |
Nazhiyuan Technology (tangshan), LLC | 36 |
16 |
National University of Singapore | 2228 |
13 |
Ricoh Company, Ltd. | 13266 |
9 |
Soochow University | 1605 |
9 |
Peking University | 1111 |
8 |
Korea Electronics Technology Institute | 1358 |
6 |
Nanyang Technological University | 1739 |
6 |
Saudi Arabian Oil Company | 11322 |
6 |
Shenzhen Institutes of Advanced Technology | 1177 |
6 |
Industry-University Cooperation Foundation Hanyang University | 1001 |
5 |
National Tsing Hua University | 1091 |
5 |
Unist (ulsan National Institute of Science and Technology) | 328 |
5 |
Other owners | 232 |