- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/3477 - Six-membered rings
Patent holdings for IPC class C08K 5/3477
Total number of patents in this class: 247
10-year publication summary
|
19
|
23
|
17
|
27
|
12
|
14
|
12
|
9
|
8
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7259 |
13 |
| Sumitomo Bakelite Co., Ltd. | 1534 |
13 |
| Adeka Corporation | 1377 |
11 |
| Otsuka Chemical Co., Ltd. | 284 |
11 |
| The Yokohama Rubber Co., Ltd. | 4114 |
10 |
| Daicel Corporation | 2523 |
9 |
| Sumitomo Electric Industries, Ltd. | 16331 |
7 |
| Polyplastics Co., Ltd. | 617 |
7 |
| 3m Innovative Properties Company | 17478 |
6 |
| Sumitomo Rubber Industries, Ltd. | 4726 |
6 |
| Kaneka Corporation | 4703 |
6 |
| Shin-Etsu Polymer Co., Ltd. | 453 |
6 |
| BASF SE | 21303 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
5 |
| Dai Nippon Printing Co., Ltd. | 4238 |
5 |
| Sumitomo Electric Fine Polymer, Inc. | 204 |
5 |
| International Business Machines Corporation | 62634 |
4 |
| FUJIFILM Corporation | 30514 |
4 |
| Ecolab USA Inc. | 5796 |
4 |
| Henkel AG & Co. KGaA | 10770 |
3 |
| Other owners | 107 |