- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 11/08 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials
Patent holdings for IPC class C09K 11/08
Total number of patents in this class: 2794
10-year publication summary
|
181
|
209
|
210
|
207
|
187
|
165
|
153
|
111
|
67
|
39
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3874 |
126 |
| Samsung Electronics Co., Ltd. | 157719 |
92 |
| Samsung Display Co., Ltd. | 38627 |
86 |
| Denka Company Limited | 2720 |
77 |
| National Institute for Materials Science | 1085 |
72 |
| OSRAM Opto Semiconductors GmbH | 3244 |
69 |
| Sumitomo Chemical Company, Limited | 9016 |
56 |
| Shin-Etsu Chemical Co., Ltd. | 6096 |
55 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
54 |
| FUJIFILM Corporation | 30514 |
48 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 580 |
48 |
| Mitsubishi Chemical Corporation | 4724 |
46 |
| Sharp Kabushiki Kaisha | 18523 |
43 |
| Konica Minolta Medical & Graphic, Inc. | 593 |
40 |
| Shoei Chemical Inc. | 332 |
40 |
| Nippon Electric Glass Co., Ltd. | 2555 |
35 |
| OSRAM OLED GmbH | 1392 |
33 |
| Lumileds Singapore Pte. Ltd. | 1262 |
33 |
| Toshiba Materials Co., Ltd. | 563 |
32 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6178 |
32 |
| Other owners | 1677 |