- 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: 2571
10-year publication summary
137
|
160
|
204
|
193
|
180
|
139
|
133
|
135
|
108
|
76
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sekisui Chemical Co., Ltd. | 3436 |
124 |
NOK Corporation | 2223 |
83 |
The Yokohama Rubber Co., Ltd. | 4044 |
67 |
Kaneka Corporation | 4544 |
66 |
Nitto Denko Corporation | 8261 |
62 |
Mitsui Chemicals, Inc. | 3224 |
60 |
Henkel AG & Co. KGaA | 10588 |
60 |
Zeon Corporation | 4079 |
60 |
Shin-Etsu Chemical Co., Ltd. | 5674 |
56 |
Daikin Industries, Ltd. | 10031 |
52 |
Three Bond Co., Ltd. | 225 |
43 |
Sika Technology AG | 2871 |
42 |
PRC-DeSoto International, Inc. | 571 |
39 |
Bridgestone Corporation | 7233 |
35 |
Lintec Corporation | 1959 |
28 |
Valqua, Ltd. | 282 |
28 |
Nichias Corporation | 392 |
25 |
3m Innovative Properties Company | 17820 |
21 |
Denka Company Limited | 2593 |
21 |
Namics Corporation | 444 |
21 |
Other owners | 1578 |