- 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: 29
10-year publication summary
|
0
|
1
|
0
|
0
|
3
|
0
|
1
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
3 |
| Photonis France | 53 |
2 |
| Universal City Studios LLC | 2218 |
2 |
| Zagg Incorporated | 128 |
2 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
2 |
| Disney Enterprises, Inc. | 6012 |
1 |
| 3m Innovative Properties Company | 18406 |
1 |
| NEC Corporation | 32703 |
1 |
| FUJIFILM Corporation | 27102 |
1 |
| Koninklijke Philips Electronics N.V. | 13133 |
1 |
| U.S. Philips Corporation | 653 |
1 |
| Nitto Denko Corporation | 7879 |
1 |
| Thomson Licensing | 4027 |
1 |
| Bridgestone Corporation | 7067 |
1 |
| Rockwell Collins, Inc. | 2402 |
1 |
| Bose Corporation | 2880 |
1 |
| Elbit Systems of America, LLC | 194 |
1 |
| Hi-key Limited | 8 |
1 |
| National University Corporation Kagawa University | 213 |
1 |
| Teijin DuPont Films Japan Limited | 68 |
1 |
| Other owners | 3 |