- 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 33/68 - Release sheets
Patent holdings for IPC class B29C 33/68
Total number of patents in this class: 280
10-year publication summary
|
30
|
24
|
21
|
31
|
15
|
21
|
27
|
15
|
25
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Glass Company, Limited | 2781 |
12 |
| Towa Corporation | 299 |
12 |
| Sumitomo Bakelite Co., Ltd. | 1501 |
11 |
| Kobayashi & Co., Ltd. | 28 |
10 |
| Agc, Inc. | 4861 |
10 |
| Nitto Denko Corporation | 8246 |
8 |
| The Boeing Company | 20057 |
7 |
| Toray Industries, Inc. | 6951 |
7 |
| 3m Innovative Properties Company | 17819 |
6 |
| Apic Yamada Corporation | 103 |
5 |
| The Procter & Gamble Company | 22035 |
4 |
| Denka Company Limited | 2585 |
4 |
| Sekisui Chemical Co., Ltd. | 3429 |
4 |
| Samsung Electronics Co., Ltd. | 146534 |
3 |
| Mitsui Chemicals Tohcello, Inc. | 250 |
3 |
| Mitsubishi Chemical Corporation | 4519 |
3 |
| Bay Materials, LLC | 46 |
3 |
| Cytec Industries Inc. | 403 |
3 |
| Wilsonart LLC | 99 |
3 |
| Sappi North America, Inc. | 96 |
3 |
| Other owners | 159 |