Patent holdings for IPC class G01N 30/54

Total number of patents in this class: 190

10-year publication summary

11
16
16
24
13
15
11
12
8
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Shimadzu Corporation
6303
57
Waters Technologies Corporation
1773
18
Hitachi High-Tech Corporation
5629
10
Dow Global Technologies LLC
10744
9
Agilent Technologies, Inc.
2641
5
Asahi Kasei Medical Co., Ltd.
234
5
Biotage AB
94
5
Supercritical Fluid Technologies, Inc.
18
5
Hitachi High-Tech Analysis Corporation
285
4
Plasmion GmbH
12
3
PerkinElmer U.S. LLC
277
3
Hitachi, Ltd.
15867
2
Hitachi High-Technologies Corporation
1993
2
Koninklijke Philips N.V.
25511
2
HORIBA STEC, Co., Ltd.
358
2
Leco Corporation
200
2
Nantong University
271
2
Rosemount Inc.
1167
2
EnTech Instruments Inc.
45
2
Zhaoke (Guangzhou) Ophthalmology Pharmaceutical Limited
10
2
Other owners 48