- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 27/419 - Measuring voltages or currents with a combination of oxygen pumping cells and oxygen concentration cells
Patent holdings for IPC class G01N 27/419
Total number of patents in this class: 290
10-year publication summary
|
17
|
26
|
14
|
28
|
24
|
33
|
27
|
17
|
19
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4589 |
86 |
| Robert Bosch GmbH | 40953 |
53 |
| Denso Corporation | 23338 |
46 |
| Niterra Co., Ltd. | 1122 |
38 |
| NGK Spark Plug Co., Ltd. | 935 |
14 |
| Vitesco Technologies GmbH | 2372 |
9 |
| Continental Automotive GmbH | 5573 |
7 |
| Toyota Motor Corporation | 28582 |
6 |
| Ford Global Technologies, LLC | 19702 |
2 |
| Rohm Co., Ltd. | 5843 |
2 |
| Illinois Tool Works Inc. | 11152 |
1 |
| Siemens AG | 24990 |
1 |
| Honeywell International Inc. | 13799 |
1 |
| Hitachi Automotive Systems, Ltd. | 3970 |
1 |
| California Institute of Technology | 3884 |
1 |
| Shinko Electric Industries Co., Ltd. | 1186 |
1 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1434 |
1 |
| FPT Motorenforschung AG | 38 |
1 |
| Illumina, Inc. | 2771 |
1 |
| Isuzu Motors Limited | 2158 |
1 |
| Other owners | 17 |