- All sections
- G - Physics
- G01D - Measuring not specially adapted for a specific variablearrangements for measuring two or more variables not covered by a single other subclasstariff metering apparatustransferring or transducing arrangements not specially adapted for a specific variablemeasuring or testing not otherwise provided for
- G01D 15/14 - Optical recording elementsRecording elements using X- or nuclear radiation
Patent holdings for IPC class G01D 15/14
Total number of patents in this class: 13
10-year publication summary
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0
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0
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0
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1
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1
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 39960 |
2 |
| Xerox Corporation | 7002 |
1 |
| International Business Machines Corporation | 61257 |
1 |
| NEC Corporation | 35687 |
1 |
| Hewlett-Packard Development Company, L.P. | 25881 |
1 |
| Ricoh Company, Ltd. | 13279 |
1 |
| Brother Industries, Ltd. | 12972 |
1 |
| NTT DoCoMo, Inc. | 12993 |
1 |
| Konica Minolta Business Technologies, Inc. | 1417 |
1 |
| NTN-SNR Roulements | 85 |
1 |
| KHS USA, Inc. | 9 |
1 |
| Tecnomar Oy | 8 |
1 |
| Other owners | 0 |