- 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: 299
10-year publication summary
|
24
|
21
|
31
|
15
|
21
|
28
|
16
|
26
|
25
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Towa Corporation | 331 |
19 |
| Sumitomo Bakelite Co., Ltd. | 1547 |
14 |
| Asahi Glass Company, Limited | 2586 |
10 |
| Kobayashi & Co., Ltd. | 30 |
10 |
| Agc, Inc. | 5664 |
10 |
| Toray Industries, Inc. | 7161 |
8 |
| The Boeing Company | 20217 |
7 |
| Nitto Denko Corporation | 8640 |
7 |
| 3m Innovative Properties Company | 17443 |
6 |
| Apic Yamada Corporation | 100 |
6 |
| The Procter & Gamble Company | 21887 |
4 |
| Mitsubishi Chemical Corporation | 4767 |
4 |
| Bay Materials, LLC | 53 |
4 |
| Denka Company Limited | 2778 |
4 |
| Sekisui Chemical Co., Ltd. | 3669 |
4 |
| Samsung Electronics Co., Ltd. | 159473 |
3 |
| Mitsui Chemicals Tohcello, Inc. | 199 |
3 |
| Cytec Industries Inc. | 413 |
3 |
| Toyobo Co., Ltd. | 2569 |
3 |
| Wilsonart LLC | 100 |
3 |
| Other owners | 167 |