- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/3472 - Five-membered rings
Patent holdings for IPC class C08K 5/3472
Total number of patents in this class: 155
10-year publication summary
|
7
|
10
|
12
|
16
|
11
|
22
|
10
|
7
|
7
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29543 |
7 |
| Pirelli Tyre S.p.A. | 1921 |
6 |
| 3m Innovative Properties Company | 17795 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 5685 |
4 |
| Dow Corning Toray Co., Ltd. | 486 |
4 |
| Sumitomo Bakelite Co., Ltd. | 1507 |
4 |
| Nitto Denko Corporation | 8280 |
3 |
| Sumitomo Chemical Company, Limited | 9047 |
3 |
| Konica Minolta, Inc. | 8784 |
3 |
| Dow Global Technologies LLC | 10402 |
3 |
| Teijin Limited | 1253 |
3 |
| BASF SE | 20979 |
2 |
| LG Chem, Ltd. | 17644 |
2 |
| The Regents of the University of California | 20059 |
2 |
| E. I. du Pont de Nemours and Company | 4012 |
2 |
| The Boeing Company | 20117 |
2 |
| Canon Inc. | 40352 |
2 |
| Sumitomo Electric Industries, Ltd. | 15593 |
2 |
| Samsung SDI Co., Ltd. | 8537 |
2 |
| Idemitsu Kosan Co., Ltd. | 4223 |
2 |
| Other owners | 93 |