- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium - Details
Patent holdings for IPC class F16F 9/32
Total number of patents in this class: 1805
10-year publication summary
160
|
162
|
185
|
193
|
217
|
180
|
153
|
123
|
124
|
41
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
KYB Corporation | 1278 |
170 |
Hitachi Astemo, Ltd. | 5618 |
127 |
Hitachi Automotive Systems, Ltd. | 3970 |
75 |
ZF Friedrichshafen AG | 6820 |
68 |
Tenneco Automotive Operating Company Inc. | 658 |
63 |
Fox Factory, Inc. | 752 |
56 |
ThyssenKrupp Bilstein GmbH | 188 |
52 |
Kayaba Industry Co., Ltd. | 376 |
49 |
Goodrich Corporation | 2081 |
46 |
ThyssenKrupp AG | 3086 |
45 |
Showa Corporation | 190 |
40 |
Firestone Industrial Products Company, LLC | 316 |
34 |
DRiV Automotive Inc. | 280 |
32 |
BeijingWest Industries, Co., Ltd. | 141 |
30 |
KYB Motorcycle Suspension Co., Ltd. | 51 |
29 |
Honda Motor Co., Ltd. | 24537 |
26 |
Nifco Inc. | 1103 |
24 |
Oiles Corporation | 515 |
22 |
NHK Spring Co., Ltd. | 1657 |
21 |
Piolax Inc. | 388 |
20 |
Other owners | 776 |