- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02D - Controlling combustion engines
- F02D 41/04 - Introducing corrections for particular operating conditions
Patent holdings for IPC class F02D 41/04
Total number of patents in this class: 2301
10-year publication summary
214
|
202
|
248
|
238
|
221
|
140
|
85
|
77
|
38
|
11
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
264 |
Ford Global Technologies, LLC | 19702 |
202 |
Toyota Motor Corporation | 28582 |
118 |
Isuzu Motors Limited | 2158 |
101 |
Denso Corporation | 23338 |
99 |
Nissan Motor Co., Ltd. | 12249 |
97 |
Robert Bosch GmbH | 40953 |
63 |
Hitachi Automotive Systems, Ltd. | 3970 |
61 |
Honda Motor Co., Ltd. | 24537 |
57 |
Mazda Motor Corporation | 3087 |
53 |
Cummins Inc. | 2369 |
48 |
Hyundai Motor Company | 19021 |
47 |
Yanmar Co., Ltd. | 1479 |
46 |
GM Global Technology Operations LLC | 13620 |
41 |
Vitesco Technologies GmbH | 2372 |
37 |
Hitachi Astemo, Ltd. | 5618 |
33 |
Continental Automotive GmbH | 5573 |
28 |
Kia Motors Corporation | 7946 |
28 |
Scania CV AB | 2330 |
26 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
23 |
Other owners | 829 |