Scholarly Index
Hajime Koyama
Tokyo Medical University; 262 total citations; 32 total publications; best world rank #129
Tokyo Medical University
262Total citations
32Total publications
9H-index
Published ranking records
| Field | Window | World rank | National rank | Impact score |
|---|---|---|---|---|
| Ear Surgery and Otitis Media | 2021-2025 | 129 | JP 6 | 92.11 |
| Vestibular and auditory disorders | 2021-2025 | 536 | JP 33 | 84.34 |
| Hearing Loss and Rehabilitation | 2021-2025 | 897 | JP 13 | 83.27 |