- 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: 560
10-year publication summary
|
30
|
38
|
59
|
45
|
37
|
54
|
47
|
39
|
31
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4703 |
52 |
| JSR Corporation | 2554 |
38 |
| Sekisui Plastics Co., Ltd. | 323 |
20 |
| Kyoraku Co., Ltd. | 519 |
17 |
| BASF SE | 21303 |
16 |
| Maxell, Ltd. | 3032 |
14 |
| Bridgestone Corporation | 7259 |
11 |
| INOAC Corporation | 230 |
9 |
| The Procter & Gamble Company | 21855 |
8 |
| Zephyros, Inc. | 684 |
7 |
| Showa Denko Materials Co., Ltd. | 624 |
7 |
| Toray Industries, Inc. | 7113 |
6 |
| Resonac Corporation | 3530 |
6 |
| Ricoh Company, Ltd. | 13342 |
5 |
| The Japan Steel Works, Ltd. | 826 |
5 |
| QinetiQ Limited | 508 |
5 |
| Sumitomo Riko Company Limited | 1139 |
5 |
| Agc, Inc. | 5524 |
5 |
| Sekisui Kasei Co., Ltd. | 134 |
5 |
| Archem Inc. | 121 |
5 |
| Other owners | 314 |