| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 6,970 | |
| #2 | Republic of Korea | 465 | |
| #3 | China | 393 | |
| #4 | Taiwan | 216 | |
| #5 | United States | 189 | |
| #6 | Australia | 129 | |
| #7 | EPO (European Patent Office) | 68 | |
| #8 | Hong Kong | 55 | |
| #9 | United Kingdom | 46 | |
| #10 | Brazil | 40 | |
| #11 | WIPO (World Intellectual Property Organization) | 40 | |
| #12 | Germany | 29 | |
| #13 | France | 17 | |
| #14 | Canada | 10 | |
| #15 | Malaysia | 8 | |
| #16 | Singapore | 7 | |
| #17 | Italy | 5 | |
| #18 | Netherlands | 5 | |
| #19 | New Zealand | 5 | |
| #20 | Philippines | 3 | |
| #21 | Belgium | 1 | |
| #22 | Chile | 1 | |
| #23 | Spain | 1 | |
| #24 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology | |
| #3 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Adachi Ikuro | 275 |
| #2 | Okamoto Hideo | 244 |
| #3 | Mizutani Yoshihiro | 195 |
| #4 | Yasui Shigeaki | 181 |
| #5 | Shimizu Masanori | 164 |
| #6 | Moriguchi Seiji | 161 |
| #7 | Sasaki Hiroaki | 150 |
| #8 | Akagi Kazuyuki | 134 |
| #9 | Sofue Tsutomu | 129 |
| #10 | Takagi Hidehiko | 129 |
| Publication | Filing date | Title |
|---|---|---|
| JP2021009020A | Manifold for gas supply | |
| US2021108859A1 | Plate-type heat exchanger | |
| US2021108865A1 | Heat exchanger | |
| US2021063054A1 | Water heater | |
| CN112205943A | Tableware cleaning machine | |
| US2021041100A1 | Premixing apparatus | |
| CN111692405A | Gas electromagnetic valve | |
| CN111981500A | Fire regulating valve | |
| CN111692404A | Gas electromagnetic valve | |
| GB201916200D0 | Flat burner | |
| CN110947535A | Micro-bubble generating nozzle | |
| CN111043892A | Heat transfer fin | |
| JP2020193796A | Firepower control valve | |
| JP2021008990A | Bathroom air conditioner | |
| JP2021008968A | Hot water supply heating device | |
| JP2021003247A | Bath system | |
| JP2021003246A | Bath system | |
| JP2021000611A | Gas-liquid dissolution device | |
| JP2021001809A | Voltage value detector | |
| JP2021001705A | Heating cooker |