- 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
|
23
|
20
|
29
|
15
|
21
|
27
|
15
|
26
|
24
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Towa Corporation | 322 |
19 |
| Sumitomo Bakelite Co., Ltd. | 1520 |
13 |
| Asahi Glass Company, Limited | 2675 |
12 |
| Kobayashi & Co., Ltd. | 30 |
10 |
| Agc, Inc. | 5285 |
10 |
| Toray Industries, Inc. | 7036 |
8 |
| The Boeing Company | 20094 |
7 |
| Nitto Denko Corporation | 8466 |
7 |
| 3m Innovative Properties Company | 17511 |
6 |
| Apic Yamada Corporation | 103 |
6 |
| The Procter & Gamble Company | 21900 |
4 |
| Mitsubishi Chemical Corporation | 4682 |
4 |
| Bay Materials, LLC | 51 |
4 |
| Denka Company Limited | 2698 |
4 |
| Sekisui Chemical Co., Ltd. | 3581 |
4 |
| Samsung Electronics Co., Ltd. | 153573 |
3 |
| Airbus Operations S.A.S. | 2520 |
3 |
| Mitsui Chemicals Tohcello, Inc. | 243 |
3 |
| Cytec Industries Inc. | 398 |
3 |
| Toyobo Co., Ltd. | 2514 |
3 |
| Other owners | 166 |