- All sections
- A - Human necessities
- A47C - Chairs; sofas; beds
- A47C 7/54 - Supports for the arms
Patent holdings for IPC class A47C 7/54
Total number of patents in this class: 671
10-year publication summary
|
73
|
69
|
96
|
79
|
73
|
71
|
62
|
57
|
36
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Steelcase Inc. | 1361 |
55 |
| Tokai Chemical Industries, Ltd. | 48 |
15 |
| MillerKnoll, Inc. | 490 |
15 |
| Okamura Corporation | 510 |
13 |
| Sumitomo Electric Industries, Ltd. | 14131 |
12 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
12 |
| AutoNetworks Technologies, Ltd. | 5809 |
12 |
| InkBed, Inc. | 22 |
12 |
| Sumitomo Riko Company Limited | 962 |
12 |
| TS Tech Co., Ltd. | 1388 |
12 |
| ATEC International Team Co., Ltd. | 17 |
10 |
| Formway Furniture Limited | 76 |
10 |
| Hettich Franke GmbH & Co. KG | 33 |
10 |
| B/E Aerospace, Inc. | 1493 |
8 |
| Ford Global Technologies, LLC | 19702 |
7 |
| Knoll, Inc. | 372 |
7 |
| Stryker Corporation | 3864 |
6 |
| Magna Seating Inc. | 344 |
6 |
| Sidiz, Inc. | 45 |
6 |
| PNC Bank | 146 |
6 |
| Other owners | 425 |