198 1 year, as one of the organizers, organized the 20th SF conference in Japan (Daicon3). The number of participants in this conference reached 1500, which set a record high at that time and was known as the "legendary conference". Due to the budget error on Daicon3, Okada Toshio had to open a SF store "General Products" in Osaka together with the organizers of Daicon3, and Okada was mainly responsible for purchasing goods. In the same year, they also won the 22nd SF Conference (Daicon4) held in Japan in 1983.

1983 became a member of Dakang Film, and organized the 22nd SF Conference (Daicon4) in Japan as one of the organizers. The number of participants in this conference reached 4000, setting a record that no one can break so far.

1984 12 established the joint-stock company GAINAX, with Okada Toshio as the president. Okada's major works include Wang Li's Cosmic Army and Climbing to the Top.

1992, Okada Toshio and Hiroyuki Yamaga and Hideaki Anno, the ancestors of Genax, had differences in economic and corporate positioning, which led to the famous "Okada Toshio Chase Incident". Without Okada Toshio's knowledge, Hiroyuki Yamaga and Hideaki Anno secretly transferred all the rights of the club to the vice chairman Hiroyuki Yamaga. So one morning, when Okada Toshio opened the door of his office, he was suddenly told that "there is no place for you here". Therefore, Okada Toshio officially left GAINAX Co., Ltd., which he founded.

1June, 1994 to1March, 1995 as a special lecturer in the Department of Orthopaedics of Tokyo University, giving lectures on the theme of "Multimedia Introduction" of subculture,1June, 1996 to1June, 1997 on "Otaku Culture". He also teaches at Rikkyo University.

1995, together with Tang Zejun and Zhi, the otaku artist group "ォタクビミーゴス" was established.

1997 king of otaku co., ltd. was established as CEO for its speech and writing activities.

In 2003, he was a lecturer at MIT.

In 2005, he served as a visiting professor of role modeling in the art department of Osaka University of the Arts.

He also served as the main guest in the "BS Comic Nighttalk" broadcast irregularly by NHK's BS2 channel, and also served as the host in the "BS Anime Nighttalk" planned by himself. Okada is known as "Otaku * *" and "Otaku Leader".

1982 "General Products" produced the amateur film "Patriotic Team Japan", which took the characters in the team as the script and angered people on both sides.

He once pointed out at the symposium of "Loft Plus One" in Shinjuku that "the otaku is dead"-"If the animation culture only has consumption power, then it can be said that the otaku is dead!" , caused considerable repercussions.

At present, it is still active in the blog site "プチチチチチチチチチチ".