- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications 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: 376
10-year publication summary
|
30
|
42
|
31
|
33
|
19
|
18
|
24
|
18
|
17
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Konica Minolta, Inc. | 8789 |
32 |
| e Ink Corporation | 1512 |
12 |
| Turun Yliopisto | 189 |
10 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
9 |
| View Operating Corporation | 528 |
9 |
| 3m Innovative Properties Company | 17781 |
8 |
| Alliance for Sustainable Energy, LLC | 810 |
7 |
| SICPA Holding SA | 918 |
7 |
| LG Chem, Ltd. | 17656 |
6 |
| Corning Incorporated | 10314 |
6 |
| Adidas AG | 1597 |
6 |
| Chromatic Technologies, Inc. | 72 |
6 |
| SEB S.A. | 1661 |
6 |
| Sage Electrochromics, Inc. | 263 |
5 |
| Toshiba Materials Co., Ltd. | 664 |
5 |
| Gentex Corporation | 1919 |
4 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2386 |
4 |
| SKC Co., Ltd. | 322 |
4 |
| The Swatch Group Research and Development Ltd | 862 |
4 |
| Chemelot Scientific Participations B.V. | 19 |
4 |
| Other owners | 222 |