Hiroaki Sumitani
6Patents
2h-index
22Co-inventors
51Inventor score
Filing activity: Dec 24, 1986 → Nov 22, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4841489A | Method of imaging an object by ultrasonic or electromagnetic waves | Physics | 19 | Expired |
| US5953492A | Method of manufacturing X-ray mask and heating apparatus | Physics | 4 | Expired |
| US5834142A | Method of manufacturing X-ray mask and heating apparatus | Physics | 2 | Expired |
| US9059193B2 | Epitaxial wafer and semiconductor element | Electricity | 1 | Active |
| US8679952B2 | Method of manufacturing silicon carbide epitaxial wafer | Electricity | 0 | Active |
| US10508362B2 | Substrate mounting member, wafer plate, and SiC epitaxial substrate manufacturing method | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.