- All sections
- C - Chemistry; metallurgy
- C09D - Coating compositions, e.g. paints, varnishes or lacquers; filling pastes; chemical paint or ink removers; inks; correcting fluids; woodstains; pastes or solids for colouring or printing; use of materials therefor
- C09D 5/25 - Electrically-insulating paints or lacquers
Patent holdings for IPC class C09D 5/25
Total number of patents in this class: 145
10-year publication summary
|
2
|
6
|
10
|
8
|
7
|
12
|
13
|
4
|
6
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Wintec, Inc. | 63 |
8 |
| Sumitomo Electric Industries, Ltd. | 14956 |
6 |
| Showa Denko K.K. | 2340 |
6 |
| Nippon Steel Corporation | 6000 |
6 |
| Dow Toray Co., Ltd. | 534 |
6 |
| Sumitomo Bakelite Co., Ltd. | 1470 |
5 |
| Mitsubishi Electric Corporation | 44794 |
4 |
| JSR Corporation | 2476 |
4 |
| Sumitomo Seika Chemicals Co., Ltd. | 1036 |
4 |
| Suzhou Taihu Electric Advanced Material Co., Ltd. | 16 |
4 |
| PPG Industries Ohio, Inc. | 3444 |
3 |
| The Furukawa Electric Co., Ltd. | 3599 |
3 |
| Baoshan Iron & Steel Co., Ltd. | 892 |
3 |
| Mitsubishi Materials Corporation | 2407 |
3 |
| Nissan Chemical Industries, Ltd. | 1759 |
3 |
| Dow Silicones Corporation | 1805 |
3 |
| Hitachi Chemical Company, Ltd. | 2387 |
2 |
| FUJIFILM Corporation | 28555 |
2 |
| Daikin Industries, Ltd. | 9836 |
2 |
| Mitsui Chemicals, Inc. | 3189 |
2 |
| Other owners | 66 |