Junichi Umetsu
4Patents
2h-index
1Co-inventors
27Inventor score
Filing activity: Aug 31, 1984 → Oct 31, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4627803A | Apparatus for producing polyacetylene film | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4675137A | Method for producing polyacetylene film | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4745163A | Catalytic film polymerization of acetylene | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4663123A | Apparatus for producing polyacetylene film | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.