- All sections
- G - Physics
- G01D - Measuring not specially adapted for a specific variable; arrangements for measuring two or more variables not covered by a single other subclass; tariff metering apparatus; transferring or transducing arrangements not specially adapted for a specific variable; measuring or testing not otherwise provided for
- G01D 5/347 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
Patent holdings for IPC class G01D 5/347
Total number of patents in this class: 1275
10-year publication summary
140
|
111
|
128
|
133
|
106
|
104
|
86
|
70
|
66
|
23
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Dr. Johannes Heidenhain GmbH | 411 |
109 |
Mitutoyo Corporation | 1218 |
87 |
Renishaw plc | 739 |
64 |
Canon Inc. | 36841 |
54 |
Nikon Corporation | 7162 |
45 |
Kabushiki Kaisha Yaskawa Denki | 1468 |
28 |
Pixart Imaging Inc. | 1581 |
28 |
Apple Inc. | 50209 |
27 |
Mitsubishi Electric Corporation | 43934 |
27 |
NSK Ltd. | 2719 |
22 |
FANUC Corporation | 5803 |
21 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
19 |
FARO Technologies, Inc. | 786 |
18 |
Seiko Epson Corporation | 18724 |
16 |
Hexagon Technology Center GmbH | 549 |
11 |
Siemens AG | 24990 |
10 |
Hamamatsu Photonics K.K. | 4161 |
10 |
Leica Geosystems AG | 658 |
10 |
Olympus Corporation | 13667 |
9 |
Canon Precision Inc. | 16 |
9 |
Other owners | 651 |