Journal Abbreviation: J JPN I MET
Journal ISSN: 0021-4876
| Year | Impact Factor (IF) | Total Articles | Total Cites |
| 2024 (2025 update) | 0.4 | - | 979 |
| 2023 | - | - | |
| 2022 | 0.5 | - | 1036 |
| 2021 | 0.386 | - | 1168 |
| 2020 | 0.429 | 51 | 1169 |
| 2019 | 0.361 | 63 | 1127 |
| 2018 | 0.360 | 70 | 1015 |
| 2017 | 0.312 | 77 | 921 |
| 2016 | 0.272 | 112 | 1048 |
| 2015 | 0.234 | 103 | 856 |
| 2014 | 0.308 | 66 | 1014 |
| 2013 | 0.327 | 101 | 890 |
| 2012 | 0.373 | 95 | 986 |
| 2011 | 0.273 | 104 | 868 |