- All sections
- B - Performing operationstransporting
- B29L - Indexing scheme associated with subclass , relating to particular articles
- B29L 7/00 - Flat articles, e.g. films or sheets
Patent holdings for IPC class B29L 7/00
Total number of patents in this class: 2079
10-year publication summary
|
229
|
221
|
187
|
163
|
137
|
100
|
105
|
59
|
73
|
61
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29399 |
111 |
| Konica Minolta, Inc. | 8742 |
74 |
| Konica Minolta Opto, Inc. | 1078 |
66 |
| Toyobo Co., Ltd. | 2499 |
63 |
| Toray Industries, Inc. | 6945 |
62 |
| Nitto Denko Corporation | 8241 |
56 |
| Kuraray Co., Ltd. | 3503 |
56 |
| Sumitomo Chemical Company, Limited | 9047 |
51 |
| Zeon Corporation | 4079 |
49 |
| Kaneka Corporation | 4525 |
25 |
| 3m Innovative Properties Company | 17819 |
24 |
| Idemitsu Unitech Co., Ltd. | 192 |
22 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 302 |
22 |
| Mitsubishi Chemical Corporation | 4514 |
20 |
| Toyo Boseki Kabushiki Kaisha | 373 |
19 |
| The Boeing Company | 20053 |
14 |
| Toray Plastics (America), Inc. | 193 |
14 |
| Denka Company Limited | 2580 |
13 |
| Johns Manville | 954 |
13 |
| Toyo Kohan Co., Ltd. | 420 |
13 |
| Other owners | 1292 |