| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 954 | |
| #2 | WIPO (World Intellectual Property Organization) | 453 | |
| #3 | EPO (European Patent Office) | 397 | |
| #4 | United States | 367 | |
| #5 | China | 338 | |
| #6 | Republic of Korea | 128 | |
| #7 | Taiwan | 24 | |
| #8 | Germany | 19 | |
| #9 | France | 15 | |
| #10 | United Kingdom | 14 | |
| #11 | Italy | 10 | |
| #12 | Australia | 9 | |
| #13 | Brazil | 7 | |
| #14 | Canada | 5 | |
| #15 | Sweden | 3 | |
| #16 | Hong Kong | 2 | |
| #17 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings | |
| #2 | Pumps | |
| #3 | Venting or aerating devices | |
| #4 | Shafts | |
| #5 | Servomotors | |
| #6 | Unspecified technologies | |
| #7 | Non-positive-displacement pumps | |
| #8 | Special non-positive-displacement engines | |
| #9 | Steam turbines | |
| #10 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Inoue Hideyuki | 285 |
| #2 | Tokunaga Yuichiro | 261 |
| #3 | Itadani Masatoshi | 212 |
| #4 | Hosoe Takeshi | 194 |
| #5 | Fukudome Kohei | 168 |
| #6 | Ogawa Yoshihiro | 146 |
| #7 | Takahashi Hidekazu | 144 |
| #8 | Negishi Yuta | 140 |
| #9 | Shirafuji Keigo | 135 |
| #10 | Hayama Masahiro | 120 |
| Publication | Filing date | Title |
|---|---|---|
| WO2021060146A1 | Spool valve | |
| WO2021044904A1 | Sliding component | |
| WO2021039462A1 | Solenoid valve | |
| WO2021025023A1 | Expansion valve | |
| WO2021020074A1 | Sliding component | |
| WO2021010259A1 | Capacity control valve | |
| WO2021006301A1 | Capacity control valve | |
| WO2020235380A1 | Seal device | |
| WO2020226100A1 | Solenoid valve | |
| WO2020226101A1 | Solenoid valve | |
| WO2020218284A1 | Capacity control valve | |
| WO2020230545A1 | Seal device | |
| WO2020218286A1 | Sliding component | |
| WO2020218285A1 | Capacity control valve | |
| WO2020209258A1 | Sliding component | |
| WO2020209262A1 | Sliding component | |
| WO2020204136A1 | Capacity control valve | |
| WO2020204135A1 | Capacity control valve | |
| WO2020204133A1 | Capacity control valve | |
| WO2020204131A1 | Capacity control valve |