- 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 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: 528
10-year publication summary
|
26
|
30
|
38
|
59
|
45
|
35
|
53
|
45
|
36
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4497 |
49 |
| JSR Corporation | 2476 |
33 |
| Sekisui Plastics Co., Ltd. | 338 |
21 |
| BASF SE | 20403 |
16 |
| Kyoraku Co., Ltd. | 496 |
16 |
| Bridgestone Corporation | 7144 |
11 |
| Maxell, Ltd. | 2655 |
11 |
| The Procter & Gamble Company | 22151 |
8 |
| Showa Denko Materials Co., Ltd. | 624 |
7 |
| Ricoh Company, Ltd. | 13209 |
6 |
| INOAC Corporation | 188 |
6 |
| Toyobo Co., Ltd. | 2423 |
6 |
| Zephyros, Inc. | 635 |
6 |
| The Japan Steel Works, Ltd. | 696 |
5 |
| QinetiQ Limited | 594 |
5 |
| Sumitomo Riko Company Limited | 1013 |
5 |
| Agc, Inc. | 4449 |
5 |
| Resonac Corporation | 2414 |
5 |
| 3m Innovative Properties Company | 17951 |
4 |
| Toray Industries, Inc. | 6848 |
4 |
| Other owners | 299 |