Koji Ohta
8Patents
2h-index
17Co-inventors
44Inventor score
Filing activity: May 28, 2002 → Apr 3, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7108836B2 | Ozonizer | Chemistry; Metallurgy | 3 | Expired |
| US8500874B2 | Apparatus for concentrating and diluting specific gas and method for concentrating and diluting specific gas | Emerging Cross-Sectional Technologies | 3 | Active |
| US6905659B2 | Ozonizer | Chemistry; Metallurgy | 2 | Expired |
| US8608832B2 | Apparatus for concentrating and diluting specific gas and method for concentrating and diluting specific gas | Emerging Cross-Sectional Technologies | 1 | Active |
| US6869575B2 | Ozonizer | Chemistry; Metallurgy | 1 | Expired |
| US6866829B2 | Ozonizer | Chemistry; Metallurgy | 1 | Expired |
| USRE40746E1 | Ozonizer | General | 0 | Expired |
| US7316734B2 | Volatile organic compound treatment apparatus | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.