https://www.animenewsnetwork.com/encyclopedia/people.php?id=25075
Hideo YAMAMOTO (Manga Artist) - Anime News Network
hideo yamamotomanga artistanime newsnetwork
https://www.animenewsnetwork.com/news/2009-07-13/hideo-yamamoto-homunculus-manga-returns-from-1-year-break
Hideo Yamamoto's Homunculus Manga Returns from 1-Year Break - News - Anime News Network
Ichi the Killer creator resumes his latest horror manga in Big Comic Spirits mag
from 1 year