- 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 44/00 - Shaping by internal pressure generated in the material, e.g. swelling or foaming
Patent holdings for IPC class B29C 44/00
Total number of patents in this class: 535
10-year publication summary
|
26
|
30
|
38
|
59
|
45
|
36
|
53
|
47
|
37
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4525 |
50 |
| JSR Corporation | 2524 |
34 |
| Sekisui Plastics Co., Ltd. | 333 |
20 |
| BASF SE | 20915 |
16 |
| Kyoraku Co., Ltd. | 502 |
16 |
| Maxell, Ltd. | 2801 |
13 |
| Bridgestone Corporation | 7237 |
11 |
| The Procter & Gamble Company | 22043 |
8 |
| Showa Denko Materials Co., Ltd. | 624 |
7 |
| Ricoh Company, Ltd. | 13279 |
6 |
| Toray Industries, Inc. | 6945 |
6 |
| INOAC Corporation | 195 |
6 |
| Toyobo Co., Ltd. | 2499 |
6 |
| Zephyros, Inc. | 652 |
6 |
| Resonac Corporation | 2815 |
6 |
| The Japan Steel Works, Ltd. | 742 |
5 |
| QinetiQ Limited | 560 |
5 |
| Sumitomo Riko Company Limited | 1055 |
5 |
| Agc, Inc. | 4845 |
5 |
| Sekisui Kasei Co., Ltd. | 115 |
5 |
| Other owners | 299 |