- 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: 4245
10-year publication summary
|
270
|
302
|
217
|
271
|
272
|
291
|
278
|
260
|
239
|
133
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyundai Motor Company | 24653 |
147 |
| Toyota Motor Corporation | 35772 |
112 |
| Toray Industries, Inc. | 7113 |
80 |
| Robert Bosch GmbH | 44160 |
77 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12369 |
77 |
| Kia Motors Corporation | 7718 |
65 |
| Kolon Industries, Inc. | 1844 |
62 |
| Kia Corporation | 12385 |
62 |
| Johnson Matthey Hydrogen Technologies Limited | 140 |
59 |
| Nissan Motor Co., Ltd. | 12964 |
58 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
51 |
| Honda Motor Co., Ltd. | 26025 |
49 |
| LG Chem, Ltd. | 17921 |
48 |
| Audi AG | 7563 |
48 |
| 3m Innovative Properties Company | 17478 |
43 |
| Korea Institute of Science and Technology | 2249 |
40 |
| LG Energy Solution, Ltd. | 18906 |
37 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
36 |
| GM Global Technology Operations LLC | 16124 |
35 |
| Showa Denko K.K. | 2069 |
32 |
| Other owners | 3027 |