- All sections
- A - Human necessities
- A47C - Chairs; sofas; beds
- A47C 31/02 - Upholstery attaching means
Patent holdings for IPC class A47C 31/02
Total number of patents in this class: 481
10-year publication summary
|
37
|
58
|
43
|
40
|
38
|
48
|
42
|
44
|
39
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Steelcase Inc. | 1361 |
53 |
| Tachi-S Co., Ltd. | 384 |
53 |
| YKK Corporation | 1916 |
49 |
| TS Tech Co., Ltd. | 1388 |
41 |
| Delta Kogyo Co., Ltd. | 128 |
14 |
| L & P Property Management Company | 970 |
11 |
| Okamura Corporation | 510 |
11 |
| Lear Corporation | 1196 |
8 |
| Toyota Boshoku Kabushiki Kaisha | 1304 |
8 |
| MillerKnoll, Inc. | 490 |
7 |
| Honda Motor Co., Ltd. | 24537 |
6 |
| Franklin Products, Inc. | 19 |
6 |
| IKEA Supply AG | 272 |
6 |
| Nifco Inc. | 1103 |
6 |
| Ashley Furniture Industries, LLC | 279 |
6 |
| Illinois Tool Works Inc. | 11152 |
5 |
| Dv8 ID S.r.l. | 6 |
5 |
| Velcro IP Holdings LLC | 273 |
5 |
| Hope Global, Division of NFA Corp. | 13 |
4 |
| Adient US LLC | 398 |
4 |
| Other owners | 173 |