- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/00 - Fuel cellsManufacture thereof
Patent holdings for IPC class H01M 8/00
Total number of patents in this class: 2014
10-year publication summary
|
105
|
120
|
94
|
84
|
79
|
74
|
90
|
83
|
93
|
46
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12295 |
139 |
| Robert Bosch GmbH | 44427 |
59 |
| Panasonic Corporation | 18572 |
54 |
| Toyota Motor Corporation | 36465 |
51 |
| Nissan Motor Co., Ltd. | 13107 |
50 |
| Honda Motor Co., Ltd. | 26684 |
46 |
| Kyocera Corporation | 14521 |
44 |
| GM Global Technology Operations LLC | 16279 |
41 |
| Panasonic Intellectual Property Management Co., Ltd. | 34685 |
41 |
| Hyundai Motor Company | 25190 |
37 |
| Komatsu Ltd. | 4829 |
21 |
| Bloom Energy Corporation | 707 |
21 |
| Intelligent Energy Limited | 370 |
21 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11137 |
19 |
| FuelCell Energy, Inc. | 324 |
18 |
| Watt Fuel Cell Corp. | 172 |
16 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6159 |
16 |
| Kia Motors Corporation | 7713 |
15 |
| Audi AG | 7601 |
15 |
| Kubota Corporation | 4465 |
15 |
| Other owners | 1275 |