- All sections
- A - Human necessities
- A44B - Buttons, pins, buckles, slide fasteners, or the like
- A44B 19/12 - Interlocking member in the shape of a continuous helix
Patent holdings for IPC class A44B 19/12
Total number of patents in this class: 64
10-year publication summary
|
4
|
10
|
3
|
3
|
2
|
4
|
1
|
2
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| YKK Corporation | 2008 |
55 |
| Mango Tree Jewelry LTD | 3 |
3 |
| Chao-Mu Chou | 9 |
1 |
| Hayashiguchi MFG Co., Ltd. | 16 |
1 |
| Ideal Fastener Corporation | 40 |
1 |
| Shiu-Yin Cheng | 9 |
1 |
| YKK Europe Ltd. | 14 |
1 |
| Genmore (zhe Jiang) Zipper Corporation | 1 |
1 |
| Other owners | 0 |