- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 83/05 - Polysiloxanes containing silicon bound to hydrogen
Patent holdings for IPC class C08L 83/05
Total number of patents in this class: 832
10-year publication summary
|
40
|
49
|
62
|
61
|
76
|
68
|
73
|
64
|
68
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5446 |
241 |
| Dow Toray Co., Ltd. | 534 |
83 |
| Dow Corning Toray Co., Ltd. | 531 |
72 |
| Momentive Performance Materials Japan LLC | 163 |
43 |
| Daicel Corporation | 2245 |
25 |
| Dow Silicones Corporation | 1808 |
23 |
| Kaneka Corporation | 4498 |
15 |
| Sekisui Chemical Co., Ltd. | 3308 |
15 |
| Fuji Polymer Industries Co., Ltd. | 111 |
13 |
| Sekisui Polymatech Co., Ltd. | 203 |
13 |
| Denka Company Limited | 2459 |
12 |
| FUJIFILM Corporation | 28805 |
11 |
| Henkel AG & Co. KGaA | 10351 |
10 |
| The Yokohama Rubber Co., Ltd. | 3961 |
8 |
| JNC Corporation | 1532 |
8 |
| Dow Corning Corporation | 1018 |
7 |
| Adeka Corporation | 1342 |
7 |
| Nitto Denko Corporation | 8089 |
6 |
| Mitsui Chemicals, Inc. | 3187 |
6 |
| Central Glass Company, Limited | 1246 |
6 |
| Other owners | 208 |