- 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: 505
10-year publication summary
|
24
|
26
|
30
|
38
|
59
|
45
|
35
|
53
|
45
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4445 |
48 |
| JSR Corporation | 2476 |
34 |
| Sekisui Plastics Co., Ltd. | 345 |
21 |
| Kyoraku Co., Ltd. | 485 |
16 |
| BASF SE | 19740 |
15 |
| Bridgestone Corporation | 7067 |
11 |
| Maxell, Ltd. | 2533 |
10 |
| The Procter & Gamble Company | 22178 |
8 |
| Showa Denko Materials Co., Ltd. | 629 |
7 |
| Ricoh Company, Ltd. | 13266 |
6 |
| INOAC Corporation | 172 |
6 |
| Toyobo Co., Ltd. | 2286 |
6 |
| Zephyros, Inc. | 613 |
6 |
| The Japan Steel Works, Ltd. | 597 |
5 |
| QinetiQ Limited | 621 |
5 |
| Agc, Inc. | 4029 |
5 |
| 3m Innovative Properties Company | 18406 |
4 |
| Toray Industries, Inc. | 6652 |
4 |
| Denka Company Limited | 2189 |
4 |
| Evonik Operations GmbH | 3879 |
4 |
| Other owners | 280 |