Wikipedia: Kōdōkan Goshin Jutsu or Kōdōkan goshinjutsu (講道館護身術?, Kodokan skills of self-defence) is a set of prearranged self-defence forms in Judo. It is the most recent kata of Judo, having been created in 1956. It incorporates techniques from aikidothrough the influence of Kenji Tomiki. It consists of several techniques to defend oneself from: unarmed attack, attack with a dagger, with a stick, and with a gun.
Below is a video demonstration of the form by two Kodokan 6th Dans.