- All sections
- B - Performing operations; transporting
- B29B - Preparation or pretreatment of the material to be shaped; making granules or preforms; recovery of plastics or other constituents of waste material containing plastics
- B29B 15/08 - Pretreatment of the material to be shaped, not covered by groups of reinforcements or fillers
Patent holdings for IPC class B29B 15/08
Total number of patents in this class: 197
10-year publication summary
|
15
|
12
|
28
|
16
|
26
|
17
|
17
|
14
|
13
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
23 |
| Mitsubishi Chemical Corporation | 4313 |
17 |
| Compagnie Generale des Etablissements Michelin | 4450 |
8 |
| Nitto Boseki Co., Ltd. | 261 |
7 |
| Teijin Limited | 1216 |
7 |
| Daio Paper Corporation | 1407 |
5 |
| Teijin Automotive Technologies, Inc. | 96 |
5 |
| Hitachi Chemical Company, Ltd. | 2455 |
4 |
| Michelin Recherche et Technique S.A. | 2328 |
4 |
| Mitsui Chemicals, Inc. | 3134 |
3 |
| Cytec Industries Inc. | 407 |
3 |
| DIC Corporation | 3597 |
3 |
| Oji Holdings Corporation | 660 |
3 |
| Siemens Gamesa Renewable Energy A/S | 1647 |
3 |
| Resonac Corporation | 2233 |
3 |
| Seiko Epson Corporation | 18724 |
2 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| Compagnie générale des établissements Michelin SCA | 2477 |
2 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
2 |
| Graphene Square, Inc. | 37 |
2 |
| Other owners | 89 |