- 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: 174
10-year publication summary
|
15
|
18
|
25
|
10
|
6
|
8
|
5
|
6
|
6
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mazda Motor Corporation | 3291 |
21 |
| Imagineering, Inc. | 125 |
15 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1520 |
7 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12448 |
7 |
| Denso Corporation | 25444 |
6 |
| Ford Global Technologies, LLC | 21417 |
6 |
| Nissan Motor Co., Ltd. | 12903 |
6 |
| Yamaha Hatsudoki Kabushiki Kaisha | 2229 |
5 |
| Robert Bosch GmbH | 44034 |
4 |
| RENAULT s.a.s. | 5387 |
4 |
| Honda Motor Co., Ltd. | 25971 |
3 |
| Toyota Motor Corporation | 35398 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3787 |
3 |
| IFP Energies Nouvelles | 3081 |
3 |
| Volvo Truck Corporation | 3879 |
3 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 816 |
3 |
| Hitachi Automotive Systems, Ltd. | 3954 |
2 |
| GM Global Technology Operations LLC | 15985 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 15162 |
2 |
| Caterpillar Energy Solutions GmbH | 148 |
2 |
| Other owners | 67 |