- All sections
- G - Physics
- G01W - Meteorology
- G01W 1/12 - Sunshine-duration recorders
Patent holdings for IPC class G01W 1/12
Total number of patents in this class: 172
10-year publication summary
|
16
|
18
|
11
|
17
|
23
|
26
|
12
|
18
|
10
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Clean Power Research, L.L.C. | 109 |
22 |
| View Operating Corporation | 515 |
11 |
| Siemens AG | 24561 |
5 |
| Eko Instruments Co., Ltd. | 21 |
5 |
| Furuno Electric Co., Ltd. | 934 |
5 |
| International Business Machines Corporation | 61023 |
4 |
| Nippon Telegraph and Telephone Corporation | 17157 |
4 |
| Itron, Inc. | 873 |
4 |
| Locus Energy, Inc. | 31 |
4 |
| NEC Corporation | 35351 |
3 |
| Hitachi, Ltd. | 15434 |
3 |
| Denso Corporation | 24120 |
3 |
| Fluke Corporation | 945 |
3 |
| Nihon Unisys, Ltd. | 19 |
3 |
| Reuniwatt | 5 |
3 |
| BIPROGY Inc. | 14 |
3 |
| Sony Corporation | 31148 |
2 |
| The Boeing Company | 20013 |
2 |
| Mitsui Chemicals, Inc. | 3197 |
2 |
| Commonwealth Scientific and Industrial Research Organisation | 1643 |
2 |
| Other owners | 79 |