- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 3/10 - Materials not provided for elsewhere for sealing or packing joints or covers
Patent holdings for IPC class C09K 3/10
Total number of patents in this class: 2560
10-year publication summary
|
171
|
179
|
227
|
209
|
195
|
149
|
146
|
144
|
112
|
61
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3378 |
123 |
| NOK Corporation | 2216 |
83 |
| Kaneka Corporation | 4484 |
66 |
| The Yokohama Rubber Co., Ltd. | 4017 |
65 |
| Nitto Denko Corporation | 8196 |
60 |
| Mitsui Chemicals, Inc. | 3206 |
60 |
| Zeon Corporation | 4075 |
60 |
| Henkel AG & Co. KGaA | 10482 |
59 |
| Shin-Etsu Chemical Co., Ltd. | 5602 |
55 |
| Daikin Industries, Ltd. | 9971 |
52 |
| Three Bond Co., Ltd. | 221 |
43 |
| Sika Technology AG | 2846 |
42 |
| PRC-DeSoto International, Inc. | 573 |
39 |
| Bridgestone Corporation | 7244 |
36 |
| Lintec Corporation | 1952 |
28 |
| Valqua, Ltd. | 277 |
28 |
| Nichias Corporation | 392 |
25 |
| Namics Corporation | 440 |
22 |
| 3m Innovative Properties Company | 17855 |
21 |
| Denka Company Limited | 2536 |
21 |
| Other owners | 1572 |