- All sections
- C - Chemistrymetallurgy
- C07F - Acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium
- C07F 7/22 - Tin compounds
Patent holdings for IPC class C07F 7/22
Total number of patents in this class: 535
10-year publication summary
|
43
|
34
|
30
|
34
|
24
|
39
|
44
|
49
|
73
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Inpria Corporation | 112 |
32 |
| Entegris, Inc. | 1814 |
29 |
| Gelest, Inc. | 124 |
19 |
| Samsung SDI Co., Ltd. | 7347 |
17 |
| Mitsubishi Chemical Corporation | 4447 |
16 |
| Samsung Electronics Co., Ltd. | 139001 |
10 |
| Adeka Corporation | 1342 |
10 |
| Kyoto University | 2778 |
10 |
| Asahi Kasei Kabushiki Kaisha | 2556 |
8 |
| Merck Patent GmbH | 5842 |
6 |
| Sumitomo Chemical Company, Limited | 8988 |
6 |
| Galata Chemicals LLC | 47 |
6 |
| Korea Research Institute of Chemical Technology | 1337 |
6 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40608 |
5 |
| The Johns Hopkins University | 5533 |
5 |
| Alliance for Sustainable Energy, LLC | 756 |
5 |
| Florida State University Research Foundation, Inc. | 707 |
5 |
| Mallinckrodt Hospital Products IP Limited | 126 |
5 |
| Semiconductor Energy Laboratory Co., Ltd. | 11101 |
4 |
| President and Fellows of Harvard College | 5913 |
4 |
| Other owners | 327 |