by Robinson, I. K., Tabuchi, M., Hisadome, S., Oga, R., Takeda, Y.
Published in Journal of applied crystallography (01.04.2005)

by Yoshida, Y., Oga, R., Lee, W.S., Fujiwara, Y., Takeda, Y.
Published in Thin solid films (01.10.2004)

by Oga, R., Yamamoto, S., Ohzawa, I., Fujiwara, Y., Takeda, Y.
Published in Journal of crystal growth (01.04.2002)

by Nonogaki, Y, Hatate, H, Oga, R, Yamamoto, S, Fujiwara, Y, Takeda, Y, Noda, H, Urisu, T
Published in Materials science & engineering. B, Solid-state materials for advanced technology (01.05.2000)

by NAKAMURA, A, TANASE, K, YAMAKAWA, I, YAMAUCHI, T, HAMANAKA, Y, OGA, R, FUJIWARA, Y, TAKEDA, Y
Published in Journal of luminescence (01.12.2002)

by Tabuchi, M., Oga, R., Takeda, Y., Hisadome, S., Yamada, H.
Published in 16th IPRM. 2004 International Conference on Indium Phosphide and Related Materials, 2004 (2004)

by Tabuchi, M., Yamada, H., Hisadome, S., Oga, R., Takeda, Y.
Published in 16th IPRM. 2004 International Conference on Indium Phosphide and Related Materials, 2004 (2004)

by Ujihara, T., Yoshida, Y., Lee, W.S., Oga, R., Takeda, Y.
Published in International Conference on Indium Phosphide and Related Materials, 2005 (2005)

by Oga, R., Yamamoto, S., Ohzawa, I., Fujiwara, Y., Takeda, Y.
Published in Conference Proceedings. 2001 International Conference on Indium Phosphide and Related Materials. 13th IPRM (Cat. No.01CH37198) (2001)

by Kawai, K, Yasuda, T, Konishi, Y, Higashi, Y, Terao, A, Oga, R, Shirabe, T, Ono, S
Published in Japanese journal of psychiatry and neurology (01.09.1989)

by Fujiwara, Yasufumi, Nonogaki, Yoichi, Oga, Ryo, Koizumi, Atsushi, Takeda, Yoshikazu
Published in Applied surface science (30.06.2003)

by Nakamura, A, Tanase, K, Yamakawa, I, Yamauchi, T, Hamanaka, Y, Oga, R, Fujiwara, Y, Takeda, Y
Published in Journal of luminescence (2002)

by YAMAKAWA, Ichirou, OGA, Ryo, NONOGAKI, Yoichi, FUJIWARA, Yasufumi, TAKEDA, Yoshikazu, NAKAMURA, Arao
Published in Journal of crystal growth (01.05.2002)

by Yamakawa, Ichirou, Yamauchi, Takeshi, Oga, Ryo, Fujiwara, Yasufumi, Takeda, Yoshikazu, Nakamura, Arao
Published in Japanese Journal of Applied Physics (2003)

by Oga, Ryo, Lee, Woo Sik, Yoshida, Yoshihiro, Fujiwara, Yasufumi, Takeda, Yoshikazu
Published in Materials science in semiconductor processing (01.10.2003)

by OGA, R, YAMAMOTO, S, OHZAWA, I, FUJIWARA, Y, TAKEDA, Y
Published in Journal of crystal growth (2002)

by YOSHIDA, Y, OGA, R, LEE, W. S, FUJIWARA, Y, TAKEDA, Y
Published in Thin solid films (2004)

by Oga, Ryo, Yamamoto, Syunsuke, Ohzawa, Itsuya, Fujiwara, Yasufumi, Takeda, Yoshikazu
Published in Japanese Journal of Applied Physics (2002)