- All sections
- B - Performing operationstransporting
- B29C - Shaping or joining of plasticsshaping of material in a plastic state, not otherwise provided forafter-treatment of the shaped products, e.g. repairing
- B29C 39/20 - Making multilayered or multicoloured articles
Patent holdings for IPC class B29C 39/20
Total number of patents in this class: 34
10-year publication summary
|
6
|
5
|
7
|
7
|
1
|
2
|
1
|
2
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Paragon Films, Inc. | 174 |
3 |
| Sqip, LLC (a Florida LLC) | 27 |
3 |
| FUJIFILM Corporation | 30628 |
2 |
| Mitsubishi Rayon Co., Ltd. | 850 |
2 |
| The University of Akron | 619 |
2 |
| University of Washington | 2458 |
2 |
| Honda Motor Co., Ltd. | 26154 |
1 |
| Denso Corporation | 25676 |
1 |
| Mitsui Chemicals, Inc. | 3262 |
1 |
| Mitsubishi Chemical Corporation | 4738 |
1 |
| Eveready Battery Company, Inc. | 173 |
1 |
| Akron Polymer Systems, Inc. | 76 |
1 |
| Canon Virginia, Inc. | 136 |
1 |
| Continuous Moulding Technologies Pty Ltd. | 1 |
1 |
| Cornell University | 3444 |
1 |
| Dexerials Corporation | 2005 |
1 |
| Exogenesis Corporation | 68 |
1 |
| The Hong Kong Polytechnic University | 541 |
1 |
| Laird Technologies, Inc. | 377 |
1 |
| Quadrant Plastic Composites AG | 14 |
1 |
| Other owners | 6 |