- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/88 - Processes of manufacture
Patent holdings for IPC class H01M 4/88
Total number of patents in this class: 4093
10-year publication summary
|
259
|
270
|
302
|
217
|
270
|
272
|
288
|
276
|
256
|
92
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyundai Motor Company | 21501 |
136 |
| Toyota Motor Corporation | 31377 |
107 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12880 |
93 |
| Toray Industries, Inc. | 6886 |
78 |
| Robert Bosch GmbH | 42411 |
66 |
| Kia Motors Corporation | 7760 |
66 |
| Nissan Motor Co., Ltd. | 12377 |
63 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10818 |
53 |
| Kolon Industries, Inc. | 1624 |
52 |
| 3m Innovative Properties Company | 17842 |
50 |
| LG Chem, Ltd. | 17549 |
50 |
| Kia Corporation | 9180 |
50 |
| Johnson Matthey Hydrogen Technologies Limited | 115 |
50 |
| Audi AG | 7336 |
47 |
| Honda Motor Co., Ltd. | 25127 |
37 |
| Cataler Corporation | 574 |
36 |
| Panasonic Intellectual Property Management Co., Ltd. | 30903 |
35 |
| LG Energy Solution, Ltd. | 14364 |
34 |
| Korea Institute of Science and Technology | 2113 |
33 |
| Showa Denko K.K. | 2276 |
32 |
| Other owners | 2925 |