- All sections
- A - Human necessities
- A47C - Chairssofasbeds
- A47C 7/54 - Supports for the arms
Patent holdings for IPC class A47C 7/54
Total number of patents in this class: 727
10-year publication summary
|
69
|
96
|
79
|
73
|
71
|
64
|
63
|
38
|
64
|
41
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Steelcase Inc. | 1337 |
58 |
| TS Tech Co., Ltd. | 1491 |
16 |
| Tokai Chemical Industries, Ltd. | 58 |
15 |
| MillerKnoll, Inc. | 518 |
15 |
| InkBed, Inc. | 25 |
13 |
| Okamura Corporation | 505 |
13 |
| Sumitomo Electric Industries, Ltd. | 15428 |
12 |
| Sumitomo Wiring Systems, Ltd. | 10307 |
12 |
| ATEC International Team Co., Ltd. | 20 |
12 |
| AutoNetworks Technologies, Ltd. | 6548 |
12 |
| Sumitomo Riko Company Limited | 1051 |
12 |
| Formway Furniture Limited | 73 |
11 |
| Hettich Franke GmbH & Co. KG | 35 |
11 |
| Sidiz, Inc. | 58 |
9 |
| B/E Aerospace, Inc. | 1632 |
8 |
| Ford Global Technologies, LLC | 20520 |
7 |
| Stryker Corporation | 5026 |
7 |
| Knoll, Inc. | 367 |
7 |
| La-Z-Boy Incorporated | 293 |
6 |
| Magna Seating Inc. | 360 |
6 |
| Other owners | 465 |