Patent holdings for IPC class F01N 3/24

Total number of patents in this class: 1336

10-year publication summary

77
83
69
48
71
36
46
28
36
19
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12768
226
Isuzu Motors Limited
2261
118
Yanmar Co., Ltd.
1402
66
Honda Motor Co., Ltd.
25352
60
Hino Motors, Ltd.
339
56
Denso Corporation
24387
42
Komatsu Ltd.
4571
41
NGK Insulators, Ltd.
4982
37
Kabushiki Kaisha Toyota Jidoshokki
1760
37
Nissan Motor Co., Ltd.
12519
32
Futaba Industrial Co., Ltd.
338
32
Mitsubishi Heavy Industries, Ltd.
8777
28
Cataler Corporation
576
24
Bosch Corporation
381
19
Tenneco Automotive Operating Company Inc.
620
19
Yamaha Hatsudoki Kabushiki Kaisha
2158
19
Mazda Motor Corporation
3159
17
Mitsui Mining & Smelting Co., Ltd.
1497
16
Cummins Emission Solutions, Inc.
543
14
Hitachi Zosen Corporation
615
14
Other owners 419