- All sections
- G - Physics
- G01C - Measuring distances, levels or bearings; surveying; navigation; gyroscopic instruments; photogrammetry or videogrammetry
- G01C 21/22 - Plotting boards
Patent holdings for IPC class G01C 21/22
Total number of patents in this class: 41
10-year publication summary
3
|
3
|
1
|
9
|
8
|
5
|
4
|
3
|
1
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Furuno Electric Co., Ltd. | 875 |
10 |
Yamaha Hatsudoki Kabushiki Kaisha | 1998 |
5 |
Yamaha Motor Co., Ltd. | 2740 |
4 |
Japan Radio Co., Ltd. | 94 |
2 |
Nippon Yusen Kabushiki Kaisha | 150 |
2 |
Telos Corporation | 31 |
2 |
The Corporation of Trinity House of Deptford Strond | 2 |
2 |
The Boeing Company | 19843 |
1 |
Honeywell International Inc. | 13799 |
1 |
NEC Corporation | 32703 |
1 |
Denso Corporation | 23338 |
1 |
Hyundai Motor Company | 19021 |
1 |
Harman Becker Automotive Systems GmbH | 645 |
1 |
Nanjing University of Aeronautics and Astronautics | 360 |
1 |
Strava, Inc. | 49 |
1 |
SZ DJI Technology Co., Ltd | 6791 |
1 |
Tencent Technology (Shenzhen) Company Limited | 12951 |
1 |
Tokyo Keiki Inc. | 69 |
1 |
Yahoo Japan Corporation | 151 |
1 |
Yanmar Power Technology Co., Ltd. | 599 |
1 |
Other owners | 1 |