| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 26 | |
| #2 | United States | 14 | |
| #3 | China | 4 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Audio-visual technology | |
| #4 | Control | |
| #5 | Engines, pumps and turbines | |
| #6 | Mechanical elements | |
| #7 | Computer technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Izumikawa Takeya | 14 |
| #2 | Tsukamoto Hiroyuki | 7 |
| #3 | Misaki Youji | 5 |
| #4 | Morimoto Takaaki | 4 |
| #5 | Nishi Takashi | 3 |
| #6 | Magaki Hideto | 3 |
| #7 | Sano Kiminori | 3 |
| #8 | Kurosawa Ryota | 2 |
| #9 | Mino Hisaho | 2 |
| #10 | Shiratani Ryuji | 2 |
| Publication | Filing date | Title |
|---|---|---|
| WO2017170900A1 | Shovel | |
| WO2017170243A1 | Working machine | |
| WO2017164175A1 | Excavator and control valve for excavator | |
| WO2017138552A1 | Excavator | |
| WO2017131189A1 | Shovel | |
| WO2017131194A1 | Excavator and autonomous flying body to fly around excavator | |
| WO2017033991A1 | Measurement device of shovel | |
| WO2017010484A1 | Road-making machine | |
| WO2016158779A1 | Shovel | |
| WO2016152700A1 | Shovel | |
| CN107109821A | Work mechanism | |
| CN105649132A | Construction machinery |