- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 49/78 - Acetophenone
Patent holdings for IPC class C07C 49/78
Total number of patents in this class: 55
10-year publication summary
|
2
|
4
|
1
|
6
|
1
|
3
|
5
|
1
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Takasago International Corporation | 407 |
5 |
| Canon Inc. | 41507 |
2 |
| Cambrex Karlskoga AB | 16 |
2 |
| Daicel Chemical Industries, Ltd. | 208 |
2 |
| FINA Technology, Inc. | 505 |
2 |
| National University Corporation Hokkaido University | 1351 |
2 |
| Soochow University | 1754 |
2 |
| Arxada AG | 169 |
2 |
| LG Chem, Ltd. | 17726 |
1 |
| Shell Internationale Research Maatschappij B.V. | 3514 |
1 |
| Xerox Corporation | 5906 |
1 |
| Sumitomo Electric Industries, Ltd. | 15928 |
1 |
| Shell Oil Company | 2119 |
1 |
| Sumitomo Wiring Systems, Ltd. | 10677 |
1 |
| ExxonMobil Chemical Patents Inc. | 3912 |
1 |
| DSM IP Assets B.V. | 5478 |
1 |
| Showa Denko K.K. | 2141 |
1 |
| Tsinghua University | 6061 |
1 |
| Japan Science and Technology Agency | 1267 |
1 |
| Asymchem Life Science (Tianjin) Co., Ltd | 88 |
1 |
| Other owners | 24 |