- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 23/08 - Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
Patent holdings for IPC class F02B 23/08
Total number of patents in this class: 172
10-year publication summary
|
15
|
15
|
18
|
25
|
10
|
6
|
8
|
5
|
6
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mazda Motor Corporation | 3139 |
21 |
| Imagineering, Inc. | 125 |
15 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1389 |
7 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12797 |
7 |
| Denso Corporation | 24316 |
6 |
| Ford Global Technologies, LLC | 20594 |
6 |
| Nissan Motor Co., Ltd. | 12486 |
6 |
| Yamaha Hatsudoki Kabushiki Kaisha | 2154 |
5 |
| Robert Bosch GmbH | 42684 |
4 |
| RENAULT s.a.s. | 5459 |
4 |
| Honda Motor Co., Ltd. | 25274 |
3 |
| Toyota Motor Corporation | 32231 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3802 |
3 |
| IFP Energies Nouvelles | 2933 |
3 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 772 |
3 |
| Hitachi Automotive Systems, Ltd. | 3958 |
2 |
| GM Global Technology Operations LLC | 15062 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 14394 |
2 |
| Caterpillar Energy Solutions GmbH | 148 |
2 |
| Cummins Inc. | 2585 |
2 |
| Other owners | 66 |