What key details about hideo ohba can be extracted from the following bio? Bio: was a japanese aikido and judo teacher and the second director of japan aikido association after the death of kenji tomiki . he was born as hideo tozawa in a village called nakagawa in akita prefecture . in 1936 , he adopted his wife 's name upon marriage in deference to her fame as a young teacher of the japanese harp . the year 1931 was pivotal for hideo ohba . he was awarded 2nd dan in judo , met kenji tomiki and was called up to serve in the military which he did with distinction . his professional and personal relationship with kenji tomiki became very close . he was awarded 5th dan in judo in 1933 . from 1940 he was teaching judo at kenkoku university in manchukuo . in 1942 he was awarded 5th dan by morihei ueshiba , the founder of aikido , who used him as uke during the budo festival on the 10th anniversary of the foundation of manchukuo . it was during this demonstration that he gained notoriety by attacking ueshiba for real . he is quoted as saying ueshiba was a little stiff but he knew then he was in the presence of a true master . the following year he was awarded 6th dan in aikido , his 6th dan in judo was awarded in 1950 . during the 60 's hideo ohba lead the effort for the creation of many of the koryu -lrb- old school -rrb- no kata forms from dai-ichi -lrb- first -rrb- to dai-roku -lrb- sixth -rrb- in order to work on techniques for demonstrations and other purposes -lrb- i.e. preservation , self defense -rrb- other than randori . after his initial organization he presented his work to kenji tomiki who gave advice and corrections which was added to the kata . in 1978 he was awarded 9th dan by the japan aikido association . he was also considered adept at kendo , naginata and iai . in february 1986 , ohba died . after his death fusae tomiki -lrb- kenji tomiki 's widow -rrb- became the 3rd chairman of the japan aikido association
The answer to this question is:
- teacher is kenji tomiki and morihei ueshiba- native name is '' Oba hideo ''- death date is 02 february 1986- martial art is judo , aikido , kendo , naginata and iai- birth date is 27 april 1910- native lang is jp- name is hideo ohba- nationality is jpn japanese- rank is 9th judo 4th '' dan '' kendo '' dan '' aikido 6th '' dan ''