- All sections
- B - Performing operationstransporting
- B29K - Indexing scheme associated with subclasses , or , relating to moulding materials or to materials for reinforcements, fillers or preformed parts, e.g. inserts
- B29K 69/00 - Use of polycarbonates as moulding material
Patent holdings for IPC class B29K 69/00
Total number of patents in this class: 780
10-year publication summary
|
88
|
103
|
92
|
76
|
55
|
58
|
43
|
17
|
32
|
47
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro Deutschland AG | 2794 |
39 |
| SABIC Global Technologies B.V. | 4408 |
30 |
| Mitsubishi Chemical Corporation | 4608 |
26 |
| Mitsubishi Gas Chemical Company, Inc. | 3510 |
26 |
| Idemitsu Kosan Co., Ltd. | 4221 |
21 |
| SHPP Global Technologies B.V. | 1084 |
20 |
| 3m Innovative Properties Company | 17717 |
18 |
| MGC Filsheet Co., Ltd. | 156 |
16 |
| Essilor International (compagnie Generale D'optique) | 2986 |
10 |
| LG Chem, Ltd. | 17704 |
9 |
| Niagara Bottling, LLC | 305 |
9 |
| Samsung Electronics Co., Ltd. | 149362 |
8 |
| Lotte Chemical Corporation | 738 |
8 |
| Canon Inc. | 41186 |
7 |
| HSP Technologies Inc. | 21 |
7 |
| Samsung Display Co., Ltd. | 36421 |
6 |
| FUJIFILM Corporation | 29843 |
6 |
| Microsoft Technology Licensing, LLC | 54366 |
6 |
| Kuraray Co., Ltd. | 3543 |
6 |
| Mitsubishi Engineering-Plastics Corporation | 307 |
6 |
| Other owners | 496 |