- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 9/508 - Means responsive to the velocity of movement of the piston
Patent holdings for IPC class F16F 9/508
Total number of patents in this class: 74
10-year publication summary
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7
|
8
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8
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8
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7
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7
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10
|
7
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5
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KYB Corporation | 1399 |
26 |
| Hitachi Automotive Systems, Ltd. | 3954 |
21 |
| Hitachi Astemo, Ltd. | 6386 |
15 |
| Astemo, Ltd. | 365 |
3 |
| Showa Corporation | 188 |
2 |
| Somic Management Holdings Inc. | 77 |
2 |
| Bell Helicopter Textron Inc. | 1009 |
1 |
| Nifco Inc. | 1110 |
1 |
| Piolax Inc. | 420 |
1 |
| Zhuzhou Times New Material Technology Co., Ltd. | 67 |
1 |
| Advanced Suspension Technology LLC | 253 |
1 |
| Other owners | 0 |