Han Ji (died 10 April 238),[a] courtesy name Gongzhi, was a Chinese politician who served in the state of Cao Wei during the Three Kingdoms period of China.
[5] When Han Ji was still young, Chen Mao (陳茂), a wealthy and influential man also from Duyang County, framed his father and elder brother(s) for committing capital offences.
[6] Han Ji remained silent over the injustice suffered by his family while secretly plotting to take revenge against Chen Mao.
They tracked down Chen Mao, killed him, cut off his head and placed it as an offering at the tomb of Han Ji's father.
Han Ji refused and went into hiding in the hills near Shandu County (山都縣; northwest of present-day Xiangyang, Hubei) to avoid Yuan Shu.
[13] When Liu Biao, the Governor of Jing Province (covering present-day Hubei and Hunan) tried to recruit him as a subordinate, Han Ji fled further south to Chanling County (孱陵縣; west of present-day Gong'an County, Hubei) to evade Liu Biao.
He then introduced the use of hydraulic power to operate the bellows, a method devised by Du Shi in the early Eastern Han dynasty.
Besides, the ancestral temple of the Cao family was still in Ye (in present-day Handan, Hebei), the capital of the former vassal Kingdom of Wei during the Eastern Han dynasty.
During the reign of Emperor Wu in the Jin dynasty, Han Bang served as the Prefect (令) of Yewang County (野王縣; present-day Qinyang, Henan).
After showing good performance in office, he was promoted to be the Administrator (太守) of Xincheng Commandery (新城郡; around present-day Fang County, Hubei).
He was appointed as a Regular Mounted Attendant (散騎常侍) after Emperor Hui of the Jin dynasty came to the throne, and was subsequently promoted to the position of Intendant of Henan (河南尹).
After he died of illness, the Jin government posthumously awarded him the appointment of General of Agile Cavalry (驃騎將軍).
As Jia Chong died without any sons to succeed him, his peerage was passed on to Han Mi, his maternal grandson.