According to records, it is known that Masanobu created works in various styles and subjects, including screen paintings and Buddhist paintings; however, all his screen paintings have been lost and the existing works are limited to small paintings such as a hanging scroll.
記録によれば、正信は障壁画、仏画を含め、多様な形式・題材の作品を手掛けたことが知られるが、障壁画はことごとく失われ、現存する確実な作品は掛軸などの小画面に限られている。