Patent holdings for IPC class H01J 11/34

Total number of patents in this class: 133

10-year publication summary

3
0
0
1
0
0
0
0
0
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Panasonic Corporation
20786
54
Matsushita Electric Industrial Co., Ltd.
4724
21
Hitachi, Ltd.
16452
7
Central Glass Company, Limited
1244
6
Sumitomo Chemical Company, Limited
8808
5
Nippon Electric Glass Co., Ltd.
2299
5
Nihon Yamamura Glass Co., Ltd.
144
3
Tateho Chemical Industries Co., Ltd.
64
3
Pioneer Corporation
4843
2
Asahi Glass Company, Limited
2985
2
Hitachi Plasma Patent Licensing Co., Ltd.
12
2
Samsung Electronics Co., Ltd.
131630
1
LG Electronics Inc.
69257
1
Mitsubishi Heavy Industries, Ltd.
8217
1
Fujitsu Limited
19265
1
Hitachi Chemical Company, Ltd.
2455
1
Semiconductor Energy Laboratory Co., Ltd.
10902
1
Corning Incorporated
9932
1
Konica Minolta Medical & Graphic, Inc.
986
1
Toray Industries, Inc.
6652
1
Other owners 14