- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 29/86 - Vessels; Containers; Vacuum locks
Patent holdings for IPC class H01J 29/86
Total number of patents in this class: 60
10-year publication summary
|
3
|
1
|
4
|
1
|
2
|
0
|
2
|
1
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Glass Company, Limited | 2985 |
9 |
| Nippon Electric Glass Co., Ltd. | 2299 |
7 |
| Thomson Licensing | 4027 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
4 |
| Massachusetts Institute of Technology | 9795 |
3 |
| Hamamatsu Photonics K.K. | 4161 |
3 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
2 |
| Pioneer Corporation | 4843 |
2 |
| Toray Industries, Inc. | 6652 |
2 |
| EOTech, LLC | 82 |
2 |
| E. I. du Pont de Nemours and Company | 4345 |
1 |
| NEC Corporation | 32703 |
1 |
| Panasonic Corporation | 20786 |
1 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
1 |
| California Institute of Technology | 3884 |
1 |
| Mitsui Chemicals, Inc. | 3134 |
1 |
| JSR Corporation | 2476 |
1 |
| COMET Technologies USA, Inc. | 61 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
1 |
| LightLab Sweden AB | 39 |
1 |
| Other owners | 12 |