- 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 13/00 - Pencil-leadsCrayon compositionsChalk compositions
Patent holdings for IPC class C09D 13/00
Total number of patents in this class: 166
10-year publication summary
|
12
|
11
|
16
|
14
|
12
|
12
|
7
|
12
|
10
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Pencil Company, Limited | 764 |
27 |
| Societe BIC | 1033 |
15 |
| Crayola LLC | 190 |
9 |
| Kabushiki Kaisha Pilot Corporation | 335 |
8 |
| Staedtler SE | 247 |
8 |
| Conte | 8 |
6 |
| Faber-Castell AG | 160 |
6 |
| Sakura Color Products Corporation | 251 |
6 |
| Staedtler Mars GmbH & Co. KG | 31 |
4 |
| Dow Global Technologies LLC | 10437 |
3 |
| Apex Brands, Inc. | 709 |
3 |
| Pentel Kabushiki Kaisha | 153 |
3 |
| Sasol (USA) Corporation | 71 |
3 |
| Signature S.r.l. | 7 |
3 |
| Rohm and Haas Company | 2907 |
2 |
| Chromatic Technologies, Inc. | 72 |
2 |
| effekt LLC | 2 |
2 |
| FINA Technology, Inc. | 514 |
2 |
| Grup 8, S.A. | 7 |
2 |
| J.S. Staedtler GmbH & Co. KG | 13 |
2 |
| Other owners | 50 |