- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 81/00 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
Patent holdings for IPC class C08G 81/00
Total number of patents in this class: 907
10-year publication summary
|
88
|
78
|
76
|
88
|
68
|
60
|
62
|
48
|
53
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
32 |
| LG Chem, Ltd. | 17205 |
20 |
| HRL Laboratories, LLC | 1588 |
20 |
| The University of Tokyo | 3903 |
19 |
| Idemitsu Kosan Co., Ltd. | 3995 |
18 |
| Sumitomo Chemical Company, Limited | 8808 |
17 |
| Arkema France | 3790 |
15 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
14 |
| California Institute of Technology | 3884 |
13 |
| Kao Corporation | 4843 |
11 |
| FUJIFILM Corporation | 27102 |
10 |
| BASF SE | 19740 |
9 |
| Nanocarrier Co., Ltd. | 55 |
8 |
| Massachusetts Institute of Technology | 9795 |
7 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
7 |
| Agency for Science, Technology and Research | 3512 |
7 |
| International Business Machines Corporation | 60644 |
6 |
| Bridgestone Corporation | 7067 |
6 |
| Tokyo Institute of Technology | 1367 |
6 |
| NEC Corporation | 32703 |
5 |
| Other owners | 657 |