As most of you already know, the Pentax trademark belongs to Hoya. Ricoh Imaging is using it with permission (brand license agreement). Ricoh bought the Pentax camera and lens business from Hoya back in 2011. Pentax Medical (which was the reason why Hoya took Pentax Corp. over) remained within Hoya and so did the Pentax brand, used … Continue reading Rumors: Ricoh’s rights to use the Pentax brand name will expire in 2020