- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 25/18 - Investigating or analysing materials by the use of thermal means by investigating thermal conductivity
Patent holdings for IPC class G01N 25/18
Total number of patents in this class: 957
10-year publication summary
52
|
74
|
67
|
77
|
76
|
93
|
69
|
76
|
73
|
21
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Denso Corporation | 23338 |
13 |
Schlumberger Canada Limited | 6913 |
11 |
Schlumberger Technology B.v. | 4951 |
11 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
11 |
Shimadzu Corporation | 5791 |
11 |
Services Petroliers Schlumberger | 5426 |
11 |
Schlumberger Holdings Limited | 2947 |
10 |
Omron Corporation | 6968 |
10 |
Prad Research and Development Limited | 2696 |
10 |
Schlumberger Technology Corporation | 9690 |
9 |
Halliburton Energy Services, Inc. | 20165 |
9 |
Robert Bosch GmbH | 40953 |
9 |
DEKA Products Limited Partnership | 1640 |
9 |
Nevada Nanotech Systems Inc. | 22 |
9 |
Siemens AG | 24990 |
8 |
Hitachi Automotive Systems, Ltd. | 3970 |
8 |
Mitsubishi Electric Corporation | 43934 |
8 |
Mitsui Mining & Smelting Co., Ltd. | 1373 |
8 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
7 |
National Institute of Advanced Industrial Science and Technology | 3677 |
7 |
Other owners | 768 |