since the meiji period , his works were sometimes not evaluated highly and leaked overseas . 明治時代以降は評価が低い時期もあり、海外へ流出した。
although he was capable and achieved great results as a economic official , he was not evaluated fairly because he was said to be assassinated by shinsengumi (a group who guarded kyoto during the end of the tokugawa shogunate ). 能吏であり経済官僚としての実績が大きいが、新撰組に暗殺されたと伝わる最期の為に評価のポイントがずれている。