- 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 11/16 - Writing inks
Patent holdings for IPC class C09D 11/16
Total number of patents in this class: 251
10-year publication summary
|
11
|
20
|
8
|
23
|
20
|
21
|
17
|
11
|
15
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Pencil Company, Limited | 822 |
50 |
| Societe BIC | 1009 |
40 |
| Kabushiki Kaisha Pilot Corporation | 351 |
17 |
| Sanford, L.P. | 892 |
17 |
| The Pilot Ink Co., Ltd. | 87 |
15 |
| Universite de Haute Alsace | 153 |
11 |
| Centre National de La Recherche Scientifique | 11016 |
10 |
| Sakura Color Products Corporation | 237 |
10 |
| Crayola LLC | 197 |
7 |
| Staedtler SE | 259 |
5 |
| Zebra Co., Ltd. | 102 |
4 |
| Hewlett-Packard Development Company, L.P. | 25216 |
3 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 373 |
3 |
| Pentel Kabushiki Kaisha | 150 |
3 |
| Viscot Medical, LLC | 26 |
3 |
| Lawrence Livermore National Security, LLC | 1972 |
2 |
| Purdue Research Foundation | 3913 |
2 |
| Chromatic Technologies, Inc. | 72 |
2 |
| Faber-Castell AG | 161 |
2 |
| Disney Enterprises, Inc. | 6257 |
1 |
| Other owners | 44 |