Kiyoshi Hirai
7Patents
5h-index
14Co-inventors
56Inventor score
Filing activity: Oct 25, 1995 → Aug 24, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5690797A | Hydrogen and oxygen gas generating system | Emerging Cross-Sectional Technologies | 66 | Expired |
| US5783051A | Apparatus for producing hydrogen and oxygen | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6852205B1 | Water-electrolysis-device-use electrode plate, unit, solid electrolytic membrane unit and electrolytic cell | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5796799A | Control apparatus for oxygen concentration of water in atomic reactor | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5888361A | Apparatus for producing hydrogen and oxygen | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5795450A | Apparatus for producing hydrogen and oxygen | Chemistry; Metallurgy | 4 | Expired |
| US9314737B2 | Dehumidifier and method for producing dehumidifier | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.