- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications 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: 3096
10-year publication summary
|
222
|
199
|
221
|
173
|
190
|
211
|
180
|
142
|
177
|
24
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 25752 |
167 |
| Sumitomo Metal Mining Co., Ltd. | 1685 |
72 |
| Daikin Industries, Ltd. | 8772 |
57 |
| Fluid Energy Group Ltd. | 250 |
50 |
| Shin-Etsu Chemical Co., Ltd. | 4826 |
42 |
| Adeka Corporation | 1275 |
41 |
| The Chemours Company Fc, LLC | 1096 |
40 |
| Kao Corporation | 4751 |
39 |
| JSR Corporation | 2490 |
34 |
| San-Apro Limited | 69 |
34 |
| Honeywell International Inc. | 14246 |
31 |
| Nippon Shokubai Co., Ltd. | 1478 |
31 |
| Nissan Chemical Industries, Ltd. | 1940 |
28 |
| SixRing Inc. | 85 |
27 |
| Asahi Glass Company, Limited | 3114 |
26 |
| Matsumoto Yushi-Seiyaku Co., Ltd. | 163 |
24 |
| Kureha Corporation | 1041 |
21 |
| Mitsubishi Gas Chemical Company, Inc. | 3030 |
21 |
| Sekisui Chemical Co., Ltd. | 3019 |
21 |
| Nitto Denko Corporation | 7572 |
20 |
| Other owners | 2270 |