- 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: 2558
10-year publication summary
171
|
179
|
227
|
209
|
195
|
149
|
146
|
144
|
112
|
55
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sekisui Chemical Co., Ltd. | 3369 |
123 |
NOK Corporation | 2214 |
84 |
Kaneka Corporation | 4487 |
69 |
The Yokohama Rubber Co., Ltd. | 4009 |
65 |
Nitto Denko Corporation | 8170 |
60 |
Zeon Corporation | 4071 |
60 |
Mitsui Chemicals, Inc. | 3192 |
59 |
Henkel AG & Co. KGaA | 10442 |
59 |
Shin-Etsu Chemical Co., Ltd. | 5587 |
55 |
Daikin Industries, Ltd. | 9951 |
52 |
Three Bond Co., Ltd. | 221 |
43 |
Sika Technology AG | 2843 |
42 |
PRC-DeSoto International, Inc. | 572 |
39 |
Bridgestone Corporation | 7206 |
36 |
Lintec Corporation | 1953 |
28 |
Valqua, Ltd. | 275 |
28 |
Nichias Corporation | 390 |
23 |
Namics Corporation | 436 |
22 |
3m Innovative Properties Company | 17842 |
21 |
Denka Company Limited | 2531 |
21 |
Other owners | 1569 |