- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
Patent holdings for IPC class H01M 8/12
Total number of patents in this class: 3220
10-year publication summary
160
|
151
|
173
|
205
|
156
|
170
|
119
|
158
|
212
|
21
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Kyocera Corporation | 13335 |
237 |
NGK Insulators, Ltd. | 4795 |
132 |
Bloom Energy Corporation | 628 |
125 |
Nissan Motor Co., Ltd. | 12337 |
120 |
Honda Motor Co., Ltd. | 24868 |
102 |
Commissariat à l'énergie atomique et aux energies alternatives | 10694 |
89 |
Sumitomo Electric Industries, Ltd. | 14956 |
81 |
Osaka Gas Co., Ltd. | 320 |
69 |
Panasonic Intellectual Property Management Co., Ltd. | 29687 |
66 |
NGK Spark Plug Co., Ltd. | 901 |
59 |
Murata Manufacturing Co., Ltd. | 23680 |
58 |
Ceres Intellectual Property Company Limited | 262 |
51 |
JX Nippon Oil & Energy Corporation | 1010 |
46 |
Toto Ltd. | 1135 |
44 |
Morimura Sofc Technology Co.,Ltd | 89 |
38 |
Robert Bosch GmbH | 41765 |
37 |
Saint-Gobain Ceramics & Plastics, Inc. | 839 |
35 |
Panasonic Corporation | 20322 |
31 |
Mitsubishi Power, Ltd. | 1735 |
28 |
Mitsubishi Heavy Industries, Ltd. | 8531 |
26 |
Other owners | 1746 |