Scholarly Index
Akira Usui
Kōchi University; 7,351 total citations; 247 total publications; best world rank #259
Kōchi University
7,351Total citations
247Total publications
44H-index
Published ranking records
| Field | Window | World rank | National rank | Impact score |
|---|---|---|---|---|
| GaN-based semiconductor devices and materials | Lifetime | 374 | JP 52 | 98.21 |
| Geochemistry and Elemental Analysis | Lifetime | 259 | JP 10 | 98.25 |
| Radioactive element chemistry and processing | Lifetime | 861 | JP 45 | 96.45 |