Patent holdings for IPC class G01R 31/26

Total number of patents in this class: 4962

10-year publication summary

306
349
293
315
293
303
304
296
280
150
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Advantest Corporation
1692
175
Taiwan Semiconductor Manufacturing Company, Ltd.
48248
129
Samsung Electronics Co., Ltd.
157557
123
Mitsubishi Electric Corporation
47971
122
Tokyo Electron Limited
13796
118
Texas Instruments Incorporated
19663
113
Infineon Technologies AG
8400
93
International Business Machines Corporation
62621
68
Kabushiki Kaisha Nihon Micronics
433
64
Fuji Electric Co., Ltd.
5469
49
Samsung Display Co., Ltd.
38570
48
Intel Corporation
47102
44
Robert Bosch GmbH
44128
42
SK Hynix Inc.
12452
42
Hamamatsu Photonics K.K.
4669
42
Enplas Corporation
886
40
Renesas Electronics Corporation
5879
38
Changxin Memory Technologies, Inc.
4933
38
Teradyne, Inc.
512
33
Boe Technology Group Co., Ltd.
44004
31
Other owners 3510