- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/3417 - Five-membered rings condensed with carbocyclic rings
Patent holdings for IPC class C08K 5/3417
Total number of patents in this class: 406
10-year publication summary
|
42
|
35
|
30
|
36
|
28
|
28
|
29
|
32
|
17
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29095 |
24 |
| Xerox Corporation | 7043 |
15 |
| Sumitomo Chemical Company, Limited | 8995 |
12 |
| Plastipak Packaging, Inc. | 318 |
10 |
| E. & J. Gallo Winery | 1970 |
9 |
| Agc, Inc. | 4652 |
9 |
| BASF SE | 20636 |
8 |
| LG Chem, Ltd. | 17479 |
8 |
| Dow Global Technologies LLC | 10261 |
8 |
| Mitsui Chemicals, Inc. | 3191 |
8 |
| Toyo Seikan Group Holdings, Ltd. | 821 |
8 |
| Zeon Corporation | 4052 |
8 |
| Lanxess Deutschland GmbH | 1125 |
7 |
| Canon Inc. | 39070 |
6 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 364 |
6 |
| Mitsubishi Gas Chemical Company, Inc. | 3399 |
6 |
| Sekisui Chemical Co., Ltd. | 3355 |
6 |
| Seiko Epson Corporation | 19189 |
5 |
| Samsung SDI Co., Ltd. | 7769 |
5 |
| Continental Reifen Deutschland GmbH | 2437 |
5 |
| Other owners | 233 |