- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 9/00 - Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
Patent holdings for IPC class C09K 9/00
Total number of patents in this class: 369
10-year publication summary
|
28
|
35
|
45
|
33
|
39
|
22
|
21
|
23
|
18
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Konica Minolta, Inc. | 8349 |
32 |
| e Ink Corporation | 1411 |
12 |
| View, Inc. | 792 |
10 |
| Turun Yliopisto | 173 |
9 |
| 3m Innovative Properties Company | 18406 |
8 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
7 |
| Alliance for Sustainable Energy, LLC | 698 |
7 |
| SICPA Holding SA | 881 |
7 |
| LG Chem, Ltd. | 17205 |
6 |
| Corning Incorporated | 9932 |
6 |
| Chromatic Technologies, Inc. | 73 |
6 |
| SEB S.A. | 1592 |
6 |
| Siemens AG | 24990 |
5 |
| Adidas AG | 1416 |
5 |
| Sage Electrochromics, Inc. | 246 |
5 |
| Gentex Corporation | 1742 |
4 |
| Institutt for Energiteknikk | 80 |
4 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2362 |
4 |
| SKC Co., Ltd. | 311 |
4 |
| The Swatch Group Research and Development Ltd | 778 |
4 |
| Other owners | 218 |