- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
Patent holdings for IPC class H05B 33/10
Total number of patents in this class: 4301
10-year publication summary
|
225
|
291
|
339
|
217
|
150
|
231
|
156
|
94
|
45
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18530 |
534 |
| Sumitomo Chemical Company, Limited | 8996 |
252 |
| Panasonic Corporation | 19060 |
230 |
| Konica Minolta, Inc. | 9116 |
202 |
| Semiconductor Energy Laboratory Co., Ltd. | 11797 |
195 |
| Sharp Display Technology Corporation | 1202 |
135 |
| Pioneer Corporation | 3782 |
100 |
| Dai Nippon Printing Co., Ltd. | 4237 |
89 |
| Konica Minolta Holdings, Inc. | 792 |
85 |
| Joled Inc. | 211 |
78 |
| FUJIFILM Corporation | 30512 |
75 |
| Sakai Display Products Corporation | 783 |
69 |
| Samsung Display Co., Ltd. | 38570 |
67 |
| Nitto Denko Corporation | 8526 |
60 |
| Toray Industries, Inc. | 7096 |
58 |
| Idemitsu Kosan Co., Ltd. | 4234 |
55 |
| Merck Patent GmbH | 5725 |
54 |
| Japan Display Inc. | 2993 |
50 |
| Tokyo Electron Limited | 13796 |
49 |
| Mitsubishi Chemical Corporation | 4721 |
49 |
| Other owners | 1815 |