- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 11/34 - Vessels, containers or parts thereof, e.g. substrates
Patent holdings for IPC class H01J 11/34
Total number of patents in this class: 113
10-year publication summary
0
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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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1
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0
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0
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2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Panasonic Corporation | 20050 |
54 |
Matsushita Electric Industrial Co., Ltd. | 1238 |
16 |
Hitachi, Ltd. | 15556 |
7 |
Sumitomo Chemical Company, Limited | 9047 |
5 |
Central Glass Company, Limited | 1271 |
5 |
Nippon Electric Glass Co., Ltd. | 2468 |
5 |
Tateho Chemical Industries Co., Ltd. | 59 |
3 |
Nihon Yamamura Glass Co., Ltd. | 131 |
2 |
LG Electronics Inc. | 73531 |
1 |
Hitachi Chemical Company, Ltd. | 2340 |
1 |
Semiconductor Energy Laboratory Co., Ltd. | 11475 |
1 |
Corning Incorporated | 10300 |
1 |
NGK Insulators, Ltd. | 5016 |
1 |
Asahi Glass Company, Limited | 2760 |
1 |
Toray Industries, Inc. | 6976 |
1 |
The Board of Trustees of the University of Illinois | 2713 |
1 |
Dexerials Corporation | 1937 |
1 |
DuPont Kabushiki Kaisha | 1 |
1 |
G-Tech Optoelectronics Corporation | 6 |
1 |
Hitachi Plasma Display Limited | 93 |
1 |
Other owners | 4 |