Kōichi Hamada

was a Japanese politician who served in the House of Representatives from 1969 to 1980 and from 1983 to 1993.

A member of the Liberal Democratic Party, he often drew attention for his unrestrained statements and actions. After his retirement from politics he was active as a television personality.

Early life Kōichi Hamada was born on 5 September 1928, in Aohori in the Kimitsu District of Chiba Prefecture. Hamada enrolled at Nihon University in 1945, but soon dropped out.

Hamada became involved with the Yakuza in the early post-war period. In 1952 he was convicted of assault and embezzlement and served time in prison. By the time of his release his old gang had been absorbed by the Inagawa-gumi. The boss Kakuji Inagawa advised Hamada to not pursue a criminal career. When Hamada expressed an interest in politics, Inagawa introduced him to the right-wing fixer Yoshio Kodama.

Hamada lived in the house of Yoshio Kodama as a servant and secretary for several years. Hamada was also a leader in local youth organisations in Chiba Prefecture. He was elected to the Futtsu Town Council in 1955 and the Chiba Prefectural Assembly in 1963. While serving as a prefectural assemblyman he meet the businessman through Kodama. For a time he also served as a secretary to the LDP faction boss .

During the trial of Kenji Osano in connection to the Lockheed bribery scandals in March 1980, it was revealed that Hamada had lost almost two million American dollars playing baccarat in Las Vegas in October 1972. Hamada's debts had been partially covered by Osano. Since this incident was used by the opposition to attack the Ohira administration, Hamada resigned as a Diet member the following month. During his time as a political rōnin he served as a bodyguard to Kanemaru.

Hamada was reelected in December 1983. Upon his reelection he became chairman of the Construction Committee in the House of Representatives and served as such for a year. In 1987 Hamada became chairman of the Budget Committee. In February the following year Hamada accused Japan Communist Party Chairman Kenji Miyamoto of being a murderer during a committee deliberation. This referred to an incident in 1933, when an alleged police informant in the Communist Party had been found dead after interrogation by Miyamoto and others. Hamada's comments caused the communists and other opposition parties to boycott deliberations. This led to Hamada resigning as chairman.

After Toshiki Kaifu became LDP president in August 1989, Hamada was appointed chairman of the LDP public relations committee. He didn't run in the 1993 election, handing over his position to his son Yasukazu Hamada, who had been his secretary since 1984, and retiring from politics.

Later years In December 1993, Hamada released a book entitled Nine Politicians Who Ruined Japan, containing many stories from his time as a politician, as well as condemnations against both opposition and LDP politicians. The book became a bestseller. After that, Hamada became active as a television personality and frequently appeared on variety shows.

Kōichi Hamada died of heart failure on 5 August 2012, at the age of 83, in his hometown Aohori, now part of Futtsu in Chiba Prefecture.