- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 12/30 - Sulfur
Patent holdings for IPC class C08F 12/30
Total number of patents in this class: 217
10-year publication summary
|
18
|
15
|
22
|
7
|
7
|
4
|
8
|
10
|
4
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30137 |
15 |
| Shin-Etsu Chemical Co., Ltd. | 5893 |
14 |
| JSR Corporation | 2556 |
8 |
| Nissan Chemical Industries, Ltd. | 1674 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10983 |
5 |
| Tokyo Ohka Kogyo Co., Ltd. | 1543 |
5 |
| The Boeing Company | 20115 |
4 |
| Centre National de La Recherche Scientifique | 10841 |
4 |
| KEMET Electronics Corporation | 325 |
4 |
| Tosoh Finechem Corporation | 89 |
4 |
| Canon Inc. | 41984 |
3 |
| Nikon Corporation | 7258 |
3 |
| Sumitomo Chemical Company, Limited | 9057 |
3 |
| Continental Reifen Deutschland GmbH | 2472 |
3 |
| Arkema Inc. | 1059 |
3 |
| Clariant International Ltd. | 902 |
3 |
| Construction Research & Technology GmbH | 623 |
3 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1582 |
3 |
| Shikoku Chemicals Corporation | 102 |
3 |
| Kasis Environmental Ltd. | 5 |
3 |
| Other owners | 118 |