- All sections
- B - Performing operations; transporting
- 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: 1977
10-year publication summary
|
191
|
229
|
221
|
187
|
162
|
128
|
84
|
79
|
29
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
145 |
| Konica Minolta, Inc. | 8349 |
77 |
| Konica Minolta Opto, Inc. | 1179 |
68 |
| Toray Industries, Inc. | 6652 |
63 |
| Nitto Denko Corporation | 7879 |
58 |
| Toyobo Co., Ltd. | 2286 |
58 |
| Kuraray Co., Ltd. | 3392 |
56 |
| Sumitomo Chemical Company, Limited | 8808 |
52 |
| Zeon Corporation | 3854 |
49 |
| Toyo Boseki Kabushiki Kaisha | 472 |
25 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 314 |
23 |
| Idemitsu Unitech Co., Ltd. | 199 |
22 |
| Kaneka Corporation | 4445 |
21 |
| Mitsubishi Chemical Corporation | 4313 |
19 |
| 3m Innovative Properties Company | 18406 |
18 |
| Toyo Kohan Co., Ltd. | 413 |
18 |
| Toray Plastics (America), Inc. | 196 |
15 |
| Sekisui Chemical Co., Ltd. | 3159 |
14 |
| Denka Company Limited | 2189 |
13 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
13 |
| Other owners | 1150 |