- All sections
- B - Performing operationstransporting
- B41M - Printing, duplicating, marking, or copying processescolour printing
- B41M 5/30 - Thermography using chemical colour formers
Patent holdings for IPC class B41M 5/30
Total number of patents in this class: 223
10-year publication summary
|
18
|
9
|
8
|
12
|
16
|
5
|
8
|
3
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ricoh Company, Ltd. | 13386 |
16 |
| Sony Corporation | 30052 |
12 |
| Toshiba Corporation | 12726 |
11 |
| Agfa-Gevaert | 301 |
11 |
| Nippon Paper Industries Co., Ltd. | 855 |
11 |
| Toshiba TEC Corporation | 3912 |
9 |
| Kabushiki Kaisha Pilot Corporation | 361 |
8 |
| FUJIFILM Corporation | 30689 |
7 |
| Chromatic Technologies, Inc. | 72 |
7 |
| Datalase Ltd. | 106 |
7 |
| Oji Holdings Corporation | 807 |
7 |
| Mitsubishi Paper Mills Limited | 224 |
6 |
| Oji Paper Co., Ltd. | 45 |
6 |
| Osaka Sealing Printing Co., Ltd. | 56 |
6 |
| The Pilot Ink Co., Ltd. | 86 |
5 |
| Segan Industries, Inc. | 29 |
5 |
| Iconex, LLC | 211 |
4 |
| Societe BIC | 1005 |
4 |
| Zebra Technologies Corporation | 2395 |
4 |
| Sony Group Corporation | 15978 |
4 |
| Other owners | 73 |