- 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: 4178
10-year publication summary
|
241
|
249
|
283
|
211
|
256
|
253
|
274
|
259
|
257
|
210
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyundai Motor Company | 22753 |
141 |
| Toyota Motor Corporation | 33378 |
108 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12680 |
92 |
| Toray Industries, Inc. | 7007 |
77 |
| Robert Bosch GmbH | 43034 |
69 |
| Kia Motors Corporation | 7744 |
66 |
| Nissan Motor Co., Ltd. | 12638 |
63 |
| Kolon Industries, Inc. | 1713 |
56 |
| Kia Corporation | 10482 |
55 |
| Johnson Matthey Hydrogen Technologies Limited | 120 |
54 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10946 |
53 |
| Honda Motor Co., Ltd. | 25778 |
49 |
| LG Chem, Ltd. | 17682 |
48 |
| Audi AG | 7398 |
47 |
| 3m Innovative Properties Company | 17737 |
45 |
| LG Energy Solution, Ltd. | 15763 |
38 |
| Korea Institute of Science and Technology | 2158 |
37 |
| Panasonic Intellectual Property Management Co., Ltd. | 32352 |
36 |
| Cataler Corporation | 576 |
35 |
| GM Global Technology Operations LLC | 15352 |
32 |
| Other owners | 2977 |