- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 1/08 - Cellulose derivatives
Patent holdings for IPC class C08L 1/08
Total number of patents in this class: 412
10-year publication summary
|
28
|
22
|
28
|
22
|
20
|
35
|
29
|
17
|
30
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
21 |
| Konica Minolta, Inc. | 8349 |
18 |
| Daio Paper Corporation | 1407 |
17 |
| NEC Corporation | 32703 |
10 |
| Konica Minolta Opto, Inc. | 1179 |
9 |
| DIC Corporation | 3597 |
9 |
| Nippon Paper Industries Co., Ltd. | 782 |
8 |
| Sumitomo Seika Chemicals Co., Ltd. | 1028 |
8 |
| Kao Corporation | 4843 |
7 |
| Oji Holdings Corporation | 660 |
7 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
6 |
| Shell Oil Company | 2196 |
6 |
| Kyoto University | 2732 |
6 |
| Kimberly-clark Worldwide, Inc. | 5854 |
5 |
| Murata Manufacturing Co., Ltd. | 22355 |
5 |
| Eastman Chemical Company | 2239 |
5 |
| Toyo Seikan Group Holdings, Ltd. | 765 |
5 |
| International Business Machines Corporation | 60644 |
4 |
| Adeka Corporation | 1333 |
4 |
| Seiko PMC Corporation | 87 |
4 |
| Other owners | 248 |