- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 29/89 - Optical or photographic arrangements structurally combined with the vessel
Patent holdings for IPC class H01J 29/89
Total number of patents in this class: 24
10-year publication summary
|
1
|
0
|
0
|
3
|
0
|
1
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Semiconductor Energy Laboratory Co., Ltd. | 11353 |
3 |
| Photonis France | 54 |
2 |
| Universal City Studios LLC | 2498 |
2 |
| Zagg Incorporated | 124 |
2 |
| Disney Enterprises, Inc. | 6079 |
1 |
| 3m Innovative Properties Company | 17842 |
1 |
| NEC Corporation | 35291 |
1 |
| FUJIFILM Corporation | 29208 |
1 |
| Thomson Licensing | 3679 |
1 |
| Rockwell Collins, Inc. | 2483 |
1 |
| Bose Corporation | 2958 |
1 |
| Elbit Systems of America, LLC | 187 |
1 |
| Hi-key Limited | 8 |
1 |
| National University Corporation Kagawa University | 210 |
1 |
| Teijin DuPont Films Japan Limited | 58 |
1 |
| Agc, Inc. | 4719 |
1 |
| Triad National Security, LLC | 602 |
1 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6274 |
1 |
| Nakatani Sangyo Co., Ltd. | 4 |
1 |
| Other owners | 0 |