| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 13 | |
| #2 | WIPO (World Intellectual Property Organization) | 7 | |
| #3 | United States | 3 | |
| #4 | China | 2 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology | |
| #3 | Medical technology | |
| #4 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Reduction of greenhouse gas emissions | |
| #2 | Batteries | |
| #3 | Syringes | |
| #4 | Diagnosis and surgery | |
| #5 | Implantable devices | |
| #6 | Measuring volume |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ishikawa Tadashi | 27 |
| #2 | Hasebe Yoshiaki | 27 |
| #3 | Kamatani Naoyuki | 7 |
| #4 | Hamaide Masato | 3 |
| #5 | Hamade Masato | 2 |
| Publication | Filing date | Title |
|---|---|---|
| JP2017050060A | Air magnesium battery | |
| JP2016039038A | Air cell | |
| JP2016039037A | Air cell | |
| JP2015125993A | Air magnesium battery | |
| JP2015125830A | Air magnesium battery | |
| JP2014146480A | Air magnesium battery and power supply device using the same | |
| JP2014146479A | Air magnesium battery | |
| JP2014120401A | Air magnesium battery | |
| JP2014107243A | Water battery | |
| JP2014002873A | Water battery | |
| WO2012111157A1 | Liquid detection device | |
| WO2012020506A1 | Liquid holding container provided with sensor, and liquid quantity measuring system | |
| EP2604303A1 | Liquid leakage detection system | |
| JP2012022899A | Water battery and manufacturing method for the same | |
| JP2012022898A | Water cell | |
| WO2010143636A1 | Water battery | |
| JP2011222236A | Water battery |