Gyro Amarume Starting in 1998 they started self producing a lot of tankoubon and doujin. They lasted all the way to 2014. Doujin Nhentai
Unno Hotaru One of the most prolific artists I’ve come across with little fanfare. Doujin 200+ 1993 Start Nhentai 130+ Tank 17 English 5+ Popular 700+ ImHentai 120+
Yahiro Pochi A decent amount of lolicon, although he mostly does big breasts. Doujin 170+ 2010 Start Nhentai 60+ Tank 1 English 15+ Popular 10500+ ImHentai 180+
Yamamoto Kumoi Starting in 1998 they’ve had 1 Tankoubon, a load of Rin art, and small collection of lolicon. Made it 10 years in the biz. Doujin Nhentai
Heriyama Huge Pokemon fan! Expect lots of Lillie and Sun but also Luna Patz from Mega Man Star Force as well. Great porn parodies! Doujin 150+ 2005 Start Nhentai 170+ Tank 1 English 15+ Popular 6300 ImHentai 100+
Kawamoto Yoshiki Starting in 1998 they made several super cartoon-y loli tankoubons, until quitting in 2009. Doujin Nhentai