- All sections
- B - Performing operationstransporting
- B29B - Preparation or pretreatment of the material to be shapedmaking granules or preformsrecovery 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: 215
10-year publication summary
|
28
|
16
|
26
|
17
|
17
|
14
|
14
|
17
|
5
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7067 |
22 |
| Mitsubishi Chemical Corporation | 4665 |
18 |
| Nitto Boseki Co., Ltd. | 302 |
10 |
| Compagnie Generale des Etablissements Michelin | 4911 |
8 |
| Teijin Limited | 1274 |
7 |
| CSP Innovations, Inc. | 64 |
5 |
| Hitachi Chemical Company, Ltd. | 2262 |
4 |
| Michelin Recherche et Technique S.A. | 2103 |
4 |
| Daio Paper Corporation | 1409 |
4 |
| Oji Holdings Corporation | 784 |
4 |
| Resonac Corporation | 3277 |
4 |
| Mitsubishi Electric Corporation | 47722 |
3 |
| Mitsui Chemicals, Inc. | 3227 |
3 |
| Cytec Industries Inc. | 401 |
3 |
| DIC Corporation | 3924 |
3 |
| Matsumoto Yushi-Seiyaku Co., Ltd. | 184 |
3 |
| Siemens Gamesa Renewable Energy A/S | 1937 |
3 |
| Seiko Epson Corporation | 20081 |
2 |
| Compagnie générale des établissements Michelin SCA | 2674 |
2 |
| Mitsubishi Rayon Co., Ltd. | 861 |
2 |
| Other owners | 101 |