- All sections
- C - Chemistry; metallurgy
- 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: 237
10-year publication summary
|
21
|
12
|
19
|
23
|
17
|
27
|
12
|
14
|
12
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Bakelite Co., Ltd. | 1416 |
12 |
| Adeka Corporation | 1333 |
11 |
| Otsuka Chemical Co., Ltd. | 286 |
11 |
| Bridgestone Corporation | 7067 |
10 |
| The Yokohama Rubber Co., Ltd. | 3929 |
10 |
| Polyplastics Co., Ltd. | 563 |
10 |
| Daicel Corporation | 2128 |
9 |
| Sumitomo Electric Industries, Ltd. | 14131 |
7 |
| 3m Innovative Properties Company | 18406 |
6 |
| Sumitomo Rubber Industries, Ltd. | 4421 |
6 |
| Kaneka Corporation | 4445 |
6 |
| Shin-Etsu Polymer Co., Ltd. | 446 |
6 |
| BASF SE | 19740 |
5 |
| Dai Nippon Printing Co., Ltd. | 3891 |
5 |
| Sumitomo Electric Fine Polymer, Inc. | 202 |
5 |
| International Business Machines Corporation | 60644 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Ecolab USA Inc. | 5190 |
4 |
| FUJIFILM Corporation | 27102 |
3 |
| Henkel AG & Co. KGaA | 10129 |
3 |
| Other owners | 100 |