- All sections
- A - Human necessities
- A47C - Chairssofasbeds
- A47C 7/40 - Supports for the head or the back for the back
Patent holdings for IPC class A47C 7/40
Total number of patents in this class: 734
10-year publication summary
|
86
|
77
|
63
|
63
|
51
|
44
|
55
|
58
|
59
|
35
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Steelcase Inc. | 1290 |
73 |
| TS Tech Co., Ltd. | 1554 |
43 |
| Okamura Corporation | 496 |
37 |
| MillerKnoll, Inc. | 564 |
20 |
| PNC Bank | 123 |
13 |
| L & P Property Management Company | 933 |
10 |
| Formway Furniture Limited | 66 |
9 |
| Haworth, Inc. | 202 |
9 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12318 |
8 |
| Remacro Technology Co., Ltd. | 113 |
8 |
| AIM Design, LLC | 46 |
8 |
| Tachi-S Co., Ltd. | 402 |
7 |
| Anthro Form, LLC | 32 |
7 |
| Delta Tooling Co., Ltd. | 146 |
6 |
| Knoll, Inc. | 360 |
6 |
| Toyota Boshoku Kabushiki Kaisha | 1511 |
6 |
| Samsung Electronics Co., Ltd. | 159298 |
5 |
| Toray Industries, Inc. | 7163 |
5 |
| A-Dec, Inc. | 130 |
5 |
| Fellowes, Inc. | 373 |
5 |
| Other owners | 444 |