- 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 43/20 - Making multilayered or multicoloured articles
Patent holdings for IPC class B29C 43/20
Total number of patents in this class: 523
10-year publication summary
|
68
|
54
|
59
|
42
|
51
|
45
|
58
|
40
|
38
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
18 |
| Mitsubishi Chemical Corporation | 4313 |
12 |
| PulPac AB | 72 |
11 |
| Global IP Holdings, LLC | 83 |
10 |
| The Boeing Company | 19843 |
9 |
| Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | 529 |
9 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
8 |
| Sumitomo Chemical Company, Limited | 8808 |
7 |
| Thermwood Corporation | 166 |
7 |
| Canon Inc. | 36841 |
6 |
| Aisapack Holding S.A. | 119 |
6 |
| INOAC Corporation | 172 |
6 |
| Honda Motor Co., Ltd. | 24537 |
5 |
| Nike, Inc. | 13075 |
5 |
| The Japan Steel Works, Ltd. | 597 |
5 |
| Teijin Limited | 1216 |
5 |
| Bright Lite Structures LLC | 21 |
5 |
| International Business Machines Corporation | 60644 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Acushnet Company | 2337 |
4 |
| Other owners | 377 |