- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 23/02 - Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
Patent holdings for IPC class F02B 23/02
Total number of patents in this class: 57
10-year publication summary
|
3
|
8
|
8
|
9
|
2
|
0
|
1
|
2
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mazda Motor Corporation | 3224 |
8 |
| IHI Corporation | 3477 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8936 |
5 |
| Caterpillar Inc. | 9886 |
4 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12625 |
4 |
| AVL List GmbH | 1322 |
3 |
| Yanmar Co., Ltd. | 1385 |
3 |
| Toyota Motor Corporation | 33713 |
2 |
| GM Global Technology Operations, Inc. | 472 |
2 |
| Hitachi Automotive Systems, Ltd. | 3954 |
1 |
| Robert Bosch GmbH | 43146 |
1 |
| Denso Corporation | 24879 |
1 |
| Daimler AG | 2953 |
1 |
| BYD Company Limited | 5664 |
1 |
| Cummins Inc. | 2637 |
1 |
| Imagineering, Inc. | 125 |
1 |
| Isuzu Motors Limited | 2276 |
1 |
| Kobe Ceramics Corporation | 3 |
1 |
| Motiv Engines, LLC | 9 |
1 |
| Nittan Valve Co., Ltd. | 130 |
1 |
| Other owners | 8 |