| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 8 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | United States | 2 | |
| #4 | Canada | 1 | |
| #5 | Republic of Korea | 1 | |
| #6 | Philippines | 1 | |
| #7 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Civil engineering | |
| #4 | Transport | |
| #5 | Telecommunications | |
| #6 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Reduction of greenhouse gas emissions | |
| #2 | Wind motors | |
| #3 | Ships | |
| #4 | Special wind, spring and weight motors | |
| #5 | Foundations and excavations | |
| #6 | Climate change mitigation in goods production | |
| #7 | Shafts | |
| #8 | Horticulture | |
| #9 | Waveguides | |
| #10 | Antennas |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sato Iku | 11 |
| #2 | Yoshida Shigeo | 6 |
| #3 | Asano Hitoshi | 6 |
| #4 | Utsunomiya Tomoaki | 5 |
| #5 | Kobayashi Osamu | 5 |
| #6 | Inaba Shinichi | 3 |
| #7 | Nakashima Shuusaku | 3 |
| #8 | Tada Koji | 2 |
| #9 | Ukegawa Makoto | 2 |
| #10 | Siseki Ayao | 2 |
| Publication | Filing date | Title |
|---|---|---|
| WO2021015287A1 | Portable authentication device, passage authentication system, and location confirmation system | |
| WO2021010384A1 | Communication system configured using waveguide antenna | |
| WO2016129582A1 | Offshore wind power generation facility and construction method therefor | |
| US5211507A | Method of making a huge elongated space of square or rectangular cross section under the ground |