Ryohei Itatani
11Patents
6h-index
21Co-inventors
66Inventor score
Filing activity: Dec 18, 1979 → May 28, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5188862A | Microwave plasma generating apparatus and process for the preparation of diamond thin film utilizing same | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5270616A | Microwave plasma generating apparatus | Electricity | 16 | Expired |
| US7378062B2 | Object processing apparatus and plasma facility comprising the same | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4985213A | Exhaust gas treating apparatus | Performing Operations; Transporting | 7 | Expired |
| US5200043A | Method for treating waste gas | Performing Operations; Transporting | 6 | Expired |
| US5363019A | Variable color discharge device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5410216A | Gas discharge tube capable of lighting in different colors | Electricity | 5 | Expired |
| US4321506A | Discharge lamp and lighting equipment | Electricity | 5 | Expired |
| US4780645A | Electronic light radiation tube | Electricity | 4 | Expired |
| US5132590A | Gas discharge tube capable of lighting in different colors | Electricity | 2 | Expired |
| US5130007A | Apparatus for treating waste gas | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.