- 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: 3119
10-year publication summary
|
198
|
159
|
171
|
196
|
153
|
122
|
162
|
125
|
130
|
120
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29713 |
179 |
| Sumitomo Metal Mining Co., Ltd. | 1794 |
85 |
| Daikin Industries, Ltd. | 10112 |
68 |
| Shin-Etsu Chemical Co., Ltd. | 5715 |
54 |
| JSR Corporation | 2533 |
51 |
| The Chemours Company Fc, LLC | 1257 |
46 |
| San-Apro Limited | 78 |
44 |
| Kao Corporation | 4981 |
42 |
| Adeka Corporation | 1368 |
39 |
| Sekisui Chemical Co., Ltd. | 3475 |
38 |
| Tokyo Ohka Kogyo Co., Ltd. | 1551 |
36 |
| Agc, Inc. | 4949 |
35 |
| Matsumoto Yushi-Seiyaku Co., Ltd. | 187 |
29 |
| Nippon Shokubai Co., Ltd. | 1498 |
28 |
| Nissan Chemical Industries, Ltd. | 1704 |
28 |
| Asahi Glass Company, Limited | 2756 |
25 |
| Fluid Energy Group Ltd. | 59 |
25 |
| Honeywell International Inc. | 13557 |
24 |
| Dorf Ketal Chemicals FZE | 52 |
23 |
| Sumitomo Seika Chemicals Co., Ltd. | 1056 |
22 |
| Other owners | 2198 |