- All sections
- C - Chemistrymetallurgy
- C09D - Coating compositions, e.g. paints, varnishes or lacquersfilling pasteschemical paint or ink removersinkscorrecting fluidswoodstainspastes or solids for colouring or printinguse 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: 148
10-year publication summary
|
5
|
9
|
7
|
7
|
8
|
11
|
4
|
5
|
9
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Wintec, Inc. | 71 |
8 |
| Dow Toray Co., Ltd. | 598 |
8 |
| Sumitomo Electric Industries, Ltd. | 16091 |
6 |
| Showa Denko K.K. | 2098 |
6 |
| Nippon Steel Corporation | 6692 |
6 |
| Sumitomo Seika Chemicals Co., Ltd. | 1052 |
5 |
| Mitsubishi Electric Corporation | 47602 |
4 |
| Baoshan Iron & Steel Co., Ltd. | 1074 |
4 |
| Sumitomo Bakelite Co., Ltd. | 1518 |
4 |
| Suzhou Taihu Electric Advanced Material Co., Ltd. | 16 |
4 |
| PPG Industries Ohio, Inc. | 3354 |
3 |
| JSR Corporation | 2534 |
3 |
| The Furukawa Electric Co., Ltd. | 3700 |
3 |
| Mitsubishi Materials Corporation | 2457 |
3 |
| Dow Silicones Corporation | 2056 |
3 |
| Hitachi Chemical Company, Ltd. | 2268 |
2 |
| FUJIFILM Corporation | 30244 |
2 |
| Daikin Industries, Ltd. | 10384 |
2 |
| Mitsui Chemicals, Inc. | 3217 |
2 |
| Eurocopter | 19 |
2 |
| Other owners | 68 |