Shigeyasu Ishigami
7Patents
5h-index
14Co-inventors
52Inventor score
Filing activity: Mar 10, 1992 → Sep 13, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5517815A | Coal gasification power generator | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5313781A | Gasification-combined power plant | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5440873A | Gasification-combined power plant | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5765365A | Coal gasification power generator | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5197277A | Gasification-type combined electric power generating plant | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6475445B1 | Calcium sulfide oxidation method and apparatus | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6245314A | Calcium sulfide oxidation method | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.