- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 31/15 - Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen with ray or beam selectively directed to luminescent anode segments
Patent holdings for IPC class H01J 31/15
Total number of patents in this class: 25
10-year publication summary
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1
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0
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1
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0
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0
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0
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0
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0
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| National Institute for Materials Science | 1108 |
9 |
| Sumitomo Chemical Company, Limited | 8808 |
3 |
| Pioneer Corporation | 4843 |
1 |
| Asahi Glass Company, Limited | 2985 |
1 |
| Toray Industries, Inc. | 6652 |
1 |
| Mitsubishi Chemical Corporation | 4313 |
1 |
| Nichia Corporation | 3394 |
1 |
| Chelest Corporation | 10 |
1 |
| Chubu Chelest Co., Ltd. | 11 |
1 |
| Independent Administrative Institution National Institute for Materials Science | 9 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
1 |
| Nagaoka University of Technology | 78 |
1 |
| National University Corporation Gunma University | 306 |
1 |
| Niigata University | 234 |
1 |
| Touch Panel Systems K.K. | 7 |
1 |
| Other owners | 0 |