- 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: 35
10-year publication summary
|
6
|
5
|
6
|
7
|
1
|
2
|
1
|
2
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Paragon Films, Inc. | 173 |
3 |
| Sqip, LLC (a Florida LLC) | 22 |
3 |
| FUJIFILM Corporation | 30210 |
2 |
| Mitsubishi Rayon Co., Ltd. | 870 |
2 |
| The University of Akron | 634 |
2 |
| University of Washington | 2400 |
2 |
| Honda Motor Co., Ltd. | 25858 |
1 |
| Denso Corporation | 25165 |
1 |
| Mitsui Chemicals, Inc. | 3215 |
1 |
| Mitsubishi Chemical Corporation | 4682 |
1 |
| Eveready Battery Company, Inc. | 195 |
1 |
| Akron Polymer Systems, Inc. | 76 |
1 |
| Canon Virginia, Inc. | 138 |
1 |
| Continuous Moulding Technologies Pty Ltd. | 1 |
1 |
| Cornell University | 3381 |
1 |
| Dexerials Corporation | 1994 |
1 |
| Exogenesis Corporation | 68 |
1 |
| The Hong Kong Polytechnic University | 510 |
1 |
| Laird Technologies, Inc. | 378 |
1 |
| Quadrant Plastic Composites AG | 15 |
1 |
| Other owners | 7 |