Patent holdings for IPC class G01R 31/28

Total number of patents in this class: 11275

10-year publication summary

748
860
860
805
805
760
852
762
780
653
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Advantest Corporation
1655
504
Texas Instruments Incorporated
19643
417
Taiwan Semiconductor Manufacturing Company, Ltd.
49440
323
Samsung Electronics Co., Ltd.
159755
318
Tokyo Electron Limited
14026
212
International Business Machines Corporation
62871
203
Intel Corporation
46342
172
Teradyne, Inc.
512
154
Infineon Technologies AG
8432
137
ROHDE & Schwarz GmbH & Co. KG
1998
119
Xilinx, Inc.
3945
96
Siemens Industry Software Inc.
1961
91
SK Hynix Inc.
12769
89
Qualcomm Incorporated
93957
81
Micron Technology, Inc.
27932
81
Changxin Memory Technologies, Inc.
4933
79
Mitsubishi Electric Corporation
48508
75
Renesas Electronics Corporation
5844
74
FormFactor, Inc.
274
71
Robert Bosch GmbH
44427
70
Other owners 7909