- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 3/00 - Materials not provided for elsewhere
Patent holdings for IPC class C09K 3/00
Total number of patents in this class: 3129
10-year publication summary
|
172
|
191
|
214
|
188
|
145
|
189
|
135
|
134
|
146
|
103
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30873 |
176 |
| Sumitomo Metal Mining Co., Ltd. | 2023 |
88 |
| Daikin Industries, Ltd. | 10551 |
77 |
| Shin-Etsu Chemical Co., Ltd. | 6203 |
66 |
| JSR Corporation | 2562 |
60 |
| The Chemours Company Fc, LLC | 1365 |
48 |
| San-Apro Limited | 79 |
47 |
| Tokyo Ohka Kogyo Co., Ltd. | 1561 |
45 |
| Kao Corporation | 5123 |
43 |
| Sekisui Chemical Co., Ltd. | 3679 |
42 |
| Agc, Inc. | 5722 |
41 |
| Adeka Corporation | 1391 |
40 |
| Nippon Shokubai Co., Ltd. | 1529 |
31 |
| Nissan Chemical Industries, Ltd. | 1622 |
28 |
| Matsumoto Yushi-Seiyaku Co., Ltd. | 188 |
27 |
| Fluid Energy Group Ltd. | 56 |
23 |
| Nitto Denko Corporation | 8654 |
22 |
| Asahi Glass Company, Limited | 2573 |
22 |
| Toyo Gosei Co., Ltd. | 107 |
21 |
| Miyoshi Oil & Fat Co., Ltd. | 114 |
20 |
| Other owners | 2162 |