Hajime Sorayama was born the eldest son of a carpenter in 1947 in Ehime Prefecture, Japan. At school, he scored low in physical education and music, but received top grades in art. When he was in high school, he did pen-and-ink drawings of airplanes and ships.

1965 — Sorayama entered Shikoku Gakuin University.
1967 — After the publication of PINK JOURNAL, he left the school and entered Chuo Art School.
1968 — He graduated from Chuo Art School and worked as a comprehensive illustrator at an advertising agency.
1972 — Began working independently as a free-lance illustrator.
1978 — Sorayama drew his first robot and since then he published several books.
1983 — Book: SEXY ROBOT / Genko-Sha.
1984 — Book: PIN-UP / Graphic-Sha.
1985 — Book: VENUS ODYSSEY / Tokuma communications, Video: ILLUSTRATION VIDEO / Fuji Television.
1988 — Book: SEXY ROBOT / Taco, Berlin.
1989 — Book: HAJIME SORAYAMA / Taco, Berlin.
Book: HYPER ILLUSTRATIONS and HYPER ILLUSTRATIONS 2 / Bijutsu Shuppan-Sha.
1993 — Book: THE GYNOIDS / Treveille Co., Ltd., Trading cards: Hajime Sorayama collector cards / Comic Images.
1994 — Limited Editions Graphic by Robert Bane EditionS in USA, First major one man show at Tamara Bane Gallery in Los Angeles.
1995 — Designed a Mechanical Warrior in a Science Fiction Movie “Space Trucker”, Sorayama’s erotic art starts appearing in Penthouse magazine monthly.
Limited Edtions Graphic by Robert Bane Editions.
1996 — Limited Editions Graphic by Robert Bane Editions, Trading cards: Sorayama Silver & Satin / Comic Images, Sorayama CD-Rom Vol.1.
1997 — Book: NAGA / Sakuhin-Sha, NAGA DELUXE (special limited edition book with lithographs) / Sakuhin-Sha, CD-Rom Vol.2.
Post Card Book: SORAYAMA CALLES IN BEAUTIES / Bijutsu Shuppan-Sha, HBO sci-fi TV series and Star Trek Borg Romulan magazine cover.
Sorayama CD-ROM volumes 2.
“Spawn”, the movie: concept artist.
Book: NAGA / Sakuhinsha.
1998 — Book: TORQUERE / Sakuhinsha.
One Man Show at Tamara Bane Gallery in Beverly Hills, CA, USA.
Lithograph: Sorayama limited editions / Robert Bane Editions.
1999 — Book: SORAYAMA 1964-1999/ Sakuhinsha.
2000 — Book: MOIRA/Edition Kunst der Comics published in Germany and SORAYAMART / Soleil publised in France.
Book: GYNOIDS REBORN / Edition Treville.
Book: THE GYNOIDS GENETICALLY MANIPULATED / Edition Treville.