This paper reports on the Inmyōnaikeizu 因明内系圖, a one volume manuscript from the Edo period, author and year of publication unknown, held in the library of Tōhoku Fukushi University 東北福祉大学. The document begins with a geneology from Śākyamuni Buddha to Maitreya, and presents a succinct introduction to the lineage from Dignāga to Śaṅkarasvāmin.
It traces another lineage from Asaṅga to Vasubandhu, then includes Dharmapāla, Guṇamati, Sthiramati and eight others, and from Śīlabhadra to Xuanzang 玄奘, with subsequent successors including Cíēn dàshī 慈恩大師, Zhifeng 智鳳, Huizhao 慧沼, Zhizhou 智周, Genbō 玄昉, and Zenju 善珠. The lineage in Japan, starting from Dōshō 道昭, lists successors such as Gyōki 行基 and Gien 義淵. The total number of scholars mentioned is approximately 200. It focuses not only on the Logic 因明 tradition, but an emphasis on the lineage of the Hossō 法相 oriented Kōfuku-ji 興福寺 is also evident. On the inside cover, writings related to Myōkū’s 明空 Shōmankyō shogi shishō 勝鬘経疏義私鈔 and Zōshun’s 蔵俊 Inmyō daishoshō 因明大疏抄 about the Japanese monk Tokushō 徳清 are mentioned. At the end of the manuscript, biographies of Bhāviveka, Zhizhou 智周 （compiled by Hōtan 鳳潭）, Kōjō 空晴, and Tōjō 等定 are provided.
