A design method for a periodically time-varying digital filter for spectrum scrambling. - Ryohei Ishii; M. Kakishita (IEEE Trans. Acoust. Speech Signal Process., 1990)

Database model and specification of GermOnline Release 2.0, a cross-species community annotation knowledgebase on germ cell differentiation. - Christa Niederhauser-Wiederkehr; R. Basavaraj; Cyril Sarrauste de Menthière; R. Koch; U. Schlecht; Leandro Hermida; Benjamin Masdoua; Ryohei Ishii; V. Cassen; M. Yamamoto; Christopher Lane; J. Michael Cherry; et al. (Bioinform., 2004)

GermOnline, a cross-species community knowledgebase on germ cell differentiation. - Christa Niederhauser-Wiederkehr; R. Basavaraj; Cyril Sarrauste de Menthière; Leandro Hermida; R. Koch; U. Schlecht; A. Amon; Sophie Brachat; Michael Breitenbach; Peter Briza; Sandrine Caburet; J. Michael Cherry; et al. (Nucleic Acids Res., 2004)

Balloon type elasticity sensing for left ventricle of small laboratory animal. - Ryohei Ishii; Mitsuru Higashimori; Kenjiro Tadakuma; Makoto Kaneko; Shunsuke Tamaki; Yasushi Sakata; Kazuhiro Yamamoto (EMBC, 2011)