"武田 博明,堆 仁美,立石 貴志,保科 拓也,鶴見 敬章","高温用非鉛ＰＴＣサーミスタの開発現況","電気化学会第79回大会",,,,,,2012,Mar.
"Hiroaki Takeda,Hitomi Akutsu,Joong-Sang Han,Takashi Tateishi,Takuya Hoshina,Takaaki Tsurumi","Properties of Semiconductive BaTiO3-(Bi1/2Na1/2)TiO3 Ceramics Fabricated in Various Atmospheres","5th International Conference on Electroceramics",,,,,,2011,Dec.
"Takashi Tateishi,Takuya Hoshina,Hiroaki Takeda,Takaaki Tsurumi","Fabrication of Lead-free Semiconducting Ceramics Using BaTiO3-(Bi1/2Na1/2)TiO3 System by adding CaO",,"Journal of Ceramic Society of Japan",,"Vol. 119","No. 11","pp. 828-831",2011,Nov.
"Hiroaki Takeda,Hitomi Akutsu,Joong-Sang Han,Takashi Tateishi,Takuya Hoshina,Takaaki Tsurumi","Effect of Ca2+-doping on Electrical Properties of  BaTiO3-(Bi1/2Na1/2)TiO3 Ceramics","15th US-Japan Seminer on Dielectric and Piezoelectric Ceramics",,,,,,2011,Nov.
"武田博明,韓重祥,立石貴志,保科拓也,鶴見敬章","Ca2+ ドープによるBaTiO3-(Bi1/2Na1/2)TiO3 半導体セラミックスの作製","日本セラミックス協会第24回秋季シンポジウム",,,,,,2011,Sept.
"Takashi Tateishi,Joong-Sang Han,Hiroaki Takeda,Takuya Hoshina,Takaaki Tsurumi","Fabrication of Lead-Free Semiconducting Ceramics Using BaTiO3-(Bi1/2Na1/2)TiO3 System by Sintering in Air Atmosphere",,"Key Engin. Mater.",,"Vol. 485",,"pp. 245-248",2011,Mar.
"Hiroaki Takeda,Joong-Sang Han,Takashi Tateishi,Spela Kunej,Colin Leach,Robert Freer,Takuya Hoshina,Takaaki Tsurumi","Characterization of Grain Boundaries of Lead-Free Semiconducting Ceramics using BaTiO3-(Bi1/2K1/2)TiO3 System",,"Key Engin. Mater.",,"Vol. 485",,"pp. 241-244",2011,Mar.
"立石貴志,武田博明,保科拓也,鶴見敬章","大気中焼成によるBaTiO3-(Bi1/2Na1/2)TiO3系非鉛PTCサーミスタの作製","第30回エレクトロセラミックス研究討論会",,,,,,2010,Oct.
"武田博明,立石貴志,島田武司,保科拓也,鶴見敬章","BaTiO3-(Bi1/2A/1/2)TiO3(A=Na,K)系半導体セラミックスの作製と評価","第30回エレクトロセラミックス研究討論会",,,,,,2010,Oct.
"Hiroaki Takeda,Takashi Tateishi,Takeshi Shimada,Takuya Hoshina,Takaaki Tsurumi","Influence of Sintering/Annealing Atmosphere on Electric Properties of (Bi1/2A1/2)-Modified BaTiO3 (A=Na, K) Semiconducting Ceramics","ISIAMOE-3",,,,,,2010,Oct.
"立石 貴志,韓 重祥,武田 博明,保科 拓也,鶴見敬章","CaO添加によるBaTiO3-(Bi1/2Na1/2)TiO3セラミックスの半導体化","第71回応用物理学会学術講演会",,,,,,2010,Sept.
"Hiroaki Takeda,Takashi Tateishi,Naohiro Horiuchi,Takeshi Simada,Takuya Hoshina,Takaaki Tsurumi","Synthesis of (Bi1/2Na1/2)-modified BaTiO3 semiconducting ceramics in Air Atmosphere","AMF-AMEC-2010",,,,,,2010,June