- All sections
- B - Performing operations; transporting
- B29C - Shaping or joining of plastics; shaping of material in a plastic state, not otherwise provided for; after-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: 40
10-year publication summary
3
|
3
|
6
|
5
|
7
|
6
|
1
|
2
|
1
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
FUJIFILM Corporation | 27102 |
3 |
Trustees of Tufts College | 743 |
3 |
The University of Akron | 674 |
3 |
Sqip, LLC (a Florida LLC) | 14 |
3 |
Mitsubishi Rayon Co., Ltd. | 1003 |
2 |
Paragon Films, Inc. | 160 |
2 |
University of Washington | 2157 |
2 |
3m Innovative Properties Company | 18406 |
1 |
Honda Motor Co., Ltd. | 24537 |
1 |
Denso Corporation | 23338 |
1 |
Mitsui Chemicals, Inc. | 3134 |
1 |
Mitsubishi Chemical Corporation | 4313 |
1 |
Eveready Battery Company, Inc. | 267 |
1 |
Akron Polymer Systems, Inc. | 71 |
1 |
Canon Virginia, Inc. | 111 |
1 |
Continuous Moulding Technologies Pty Ltd. | 1 |
1 |
Cornell University | 3036 |
1 |
Dexerials Corporation | 1826 |
1 |
Exogenesis Corporation | 77 |
1 |
The Hong Kong Polytechnic University | 407 |
1 |
Other owners | 9 |