Patent holdings for IPC class F01N 3/24

Total number of patents in this class: 1336

10-year publication summary

81
83
70
50
72
36
49
29
36
13
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)
12837
229
Isuzu Motors Limited
2247
119
Yanmar Co., Ltd.
1415
66
Honda Motor Co., Ltd.
25166
60
Hino Motors, Ltd.
347
57
Denso Corporation
24223
42
Komatsu Ltd.
4528
41
NGK Insulators, Ltd.
4944
37
Kabushiki Kaisha Toyota Jidoshokki
1752
36
Nissan Motor Co., Ltd.
12455
32
Futaba Industrial Co., Ltd.
329
32
Mitsubishi Heavy Industries, Ltd.
8685
28
Cataler Corporation
573
24
Bosch Corporation
384
19
Tenneco Automotive Operating Company Inc.
632
19
Yamaha Hatsudoki Kabushiki Kaisha
2153
19
Mazda Motor Corporation
3128
17
Mitsui Mining & Smelting Co., Ltd.
1477
15
Cummins Emission Solutions, Inc.
538
14
Hitachi Zosen Corporation
621
14
Other owners 416