- 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: 658
10-year publication summary
|
34
|
30
|
35
|
24
|
41
|
43
|
51
|
74
|
80
|
43
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gelest, Inc. | 172 |
53 |
| Mitsubishi Chemical Corporation | 4723 |
49 |
| Inpria Corporation | 144 |
43 |
| Entegris, Inc. | 2007 |
39 |
| Samsung SDI Co., Ltd. | 10624 |
32 |
| Samsung Electronics Co., Ltd. | 157946 |
15 |
| Merck Patent GmbH | 5729 |
11 |
| Adeka Corporation | 1379 |
11 |
| Kyoto University | 2906 |
10 |
| Korea Research Institute of Chemical Technology | 1475 |
8 |
| The Johns Hopkins University | 5887 |
6 |
| Galata Chemicals LLC | 53 |
6 |
| Seastar Chemicals ULC | 10 |
6 |
| Semiconductor Energy Laboratory Co., Ltd. | 11834 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48438 |
5 |
| Sumitomo Chemical Company, Limited | 8968 |
5 |
| Shin-Etsu Chemical Co., Ltd. | 6109 |
5 |
| Northwestern University | 3546 |
5 |
| Florida State University Research Foundation, Inc. | 839 |
5 |
| President and Fellows of Harvard College | 6092 |
4 |
| Other owners | 335 |