by KAKUDA, Takami, NOZAWA, Ayumu, UNNO, Tomonori, OKAMURA, Noritaka, OKAI, Osamu
Published in Bioscience, biotechnology, and biochemistry (01.01.2000)

by HIROTA TETSUO, KAWAGUCHI KOTARO, TAKAI TORU, OKAI OSAMU, IWANE TAKUMI
Year of Publication 22.12.2016

by Okai, Osamu, Watanabe, Akira
Published in Ningen kogaku. The Japanese journal of ergonomics (1992)

by OKAI, Osamu, OSHIMA, Masamitsu
Published in Japanese Heart Journal (01.01.1975)

by OKAI, Osamu, HORI, Motokazu
Published in Japanese Heart Journal (01.01.1977)

by SHIOMI, Taizo, KUROSAWA, Kazuo, OKAI, Osamu, NAKAYAMA, Akihiro, MARUYAMA, Hitoshi
Published in Ningen kogaku. The Japanese journal of ergonomics (1993)

by KUROSAWA, Kazuo, SHIOMI, Taizo, OKAI, Osamu, NAKAYAMA, Akihiro, MARUYAMA, Hitoshi
Published in Ningen kogaku. The Japanese journal of ergonomics (1993)

by SUGA, Hiroyuki, OKAI, Osamu
Published in Japanese Heart Journal (1970)

by OKAI, Osamu, TOGAWA, Tatsuo, OSHIMA, Masamitsu
Published in Japanese Heart Journal (01.01.1974)

by Kumada, M, Okai, O, Gunji, A
Published in Japanese journal of physiology (01.01.1971)

by Okai, O, Hori, M
Published in Iyo denshi to seitai kogaku. Japanese journal of medical electronics and biological engineering (01.10.1976)

by Okai, O, Watanabe, A, Saito, M, Hori, M
Published in Iyo denshi to seitai kogaku. Japanese journal of medical electronics and biological engineering (01.10.1976)

by HIROTA TETSUO, TAKAI TORU, OKAI OSAMU
Year of Publication 30.03.2006

by OKAI, Osamu, WATANABE, Akira
Published in Ningen kogaku. The Japanese journal of ergonomics (16.05.1993)

by 岡井, 治, 多気, 昌生, 望月, 篤子, 西脇, 仁一, 森, 卓二, 藤尾, 昇
Published in 人間工学 (01.10.1979)

by HIROTA TETSUO, OKAI OSAMU, IWANE TAKUMI, OGURI MASAYOSHI
Year of Publication 31.10.2002

by HIROTA TETSUO, TAKAI TORU, OKAI OSAMU, OGURI MASAYOSHI
Year of Publication 17.07.2001

by OKAI, Osamu, TAKI, Masao, MOCHIZUKI, Atsuko, NISHIWAKI, Niichi, MORI, Takuji, FUJIO, Noboru
Published in The Japanese Journal of Ergonomics (15.10.1979)