論文

• Takafumi Kai, Jiro Hirokawa, Makoto Ando, Hiroshi Nakano, Yasutake Hirachi. A Cost-Effective Transition between a Microstrip Line and a Post-Wall Waveguide using a Laminated LTCC Substrate in 60-GHz Band, IEICE Trans. Electron., Vol. 90, No. 4, pp. 407-410, Apr. 2007.
• Takafumi Kai, Jiro Hirokawa, Makoto Ando. Moment Method Analysis of a Plane Wave Generator in an Oversized Rectangular Waveguide, IEICE Trans. Commun., Vol. 90, No. 1, pp. 105-113, Jan. 2007.
• Miroslav Samardzija, Takafumi Kai, Jiro Hirokawa, Makoto Ando. Single-Layer Waveguide Feed for Uniform Plane TEM-Wave in Oversized-Rectangular Waveguide With Hard-Surface Sidewalls,, IEEE Trans. Antennas Propagat., IEEE, Vol. 54, No. 10, pp. 2813-2819, Oct. 2006.
• Takafumi KAI, Yusuke KATO, Jiro HIROKAWA, Makoto ANDO, Hiroshi NAKANO, Yasutake HIRACHI. A Coaxial Line to Post-Wall Waveguide Transition for a Cost-Effective Transformer between a RF-Device and a Planar Slot-Array Antenna in 60-GHz Band, IEICE Trans. Commun, Vol. E89-B, No. 5, pp. 1646-1653, May 2006.
• Takafumi Kai, Jiro Hirokawa, Makoto Ando. Feed through an Aperture to a Post-Wall Waveguide with Step Structure, IEICE Trans. Commun., Vol. 88, No. 3, pp. 1298-1302, Mar. 2005.
• Takafumi Kai, Jiro Hirokawa, Makoto Ando. A transformer between a thin post-wall waveguide and a standard metal waveguide via a dielectric substrate insertion with slits etched on it, IEICE Trans. Commun., Vol. 87, No. 1, pp. 200-203, Jan. 2004.

国際会議発表 (査読有り)

• K. Hashimoto, T. Kai, J. Hirokawa, M. Ando. A Center-Feed Post-Wall Waveguide Parallel Plate Slot Array, IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, pp. 3043-3046, July 2006.
• M. Samardzija, T. Kai, J. Hirokawa, M. Ando. Terminating Junctions in Single Layer Feed-Waveguide for Excitation of the Dominant Quasi TEM-Wave in Oversized-Rectangular Waveguide, IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, pp. 3412-3415, July 2006.
• H. T. Tran, T. Kai, J. Hirokawa, Y. Kogami, M. Ando. Evaluation of Conductivity for the under Side Section of Various Types of Copper-Clad Dielectric Substrates Using a Whispering Gallery Mode Resonator, IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, pp. 3199-3202, July 2006.
• Tran Thi Huong, Takafumi Kai, Jiro Hirokawa, Yoshinori Kogami, Makoto Ando. EVALUATION OF CONDUCTIVITY AND COMPLEX PERMITTIVITY OF A COPPER-CLAD DIELECTRIC SUBSTRATE BY USING A WHISPERING GALLERY MODE RESONATOR, INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP2005), Vol. 3, pp. 1145-1148, Aug. 2005.
• Miroslav Samardzija, Takafumi Kai, Jiro Hirokawa, Makoto Ando. Partially-Dielectric-Filled Oversized Rectangular Waveguide for Suppression of Side Lobes in Slot Arrays, INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP2005), Korea Electromagnetic Engineering Society, Vol. 1, pp. 89-92, Aug. 2005.
• Takafumi Kai, Jiro Hirokawa, Makoto Ando, Hiroshi Nakano, Yasutake Hirachi. WIDEBAND COAXIAL-LINE FEED FOR POST-WALL WAVEGUIDE IN MILLIMETER WAVE BAND, INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP2005), INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP2005), Vol. 3, pp. 1137-1140, Aug. 2005.
• Takafumi Kai, Jiro Hirokawa, Makoto Ando, Hiroshi Nakano, Yasutake Hirachi. Coaxial-Line Feed for Post-Wall Waveguide in Millimeter Wave Band, IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, Vol. 1A, pp. 631-634, July 2005.
• Takafumi Kai, Jiro Hirokawa, Makoto Ando. A Stepped Post-Wall Waveguide with Aperture Interface to Standard Waveguide, IEEE AP-S URSI Intl. Symp., Vol. 2, pp. 1527-1530, June 2004.
• Takafumi Kai, Jiro Hirokawa, Makoto Ando. Analysis of a Feeding Structure for TEM Wave Excitation in an Oversized Rectangular Waveguide, IEEE AP-S URSI Intl. Symp., Vol. 2, June 2003.
• Takafumi Kai, Jiro Hirokawa, Makoto Ando. Analysis of a Feeding Structure for TEM Wave Excitation in an Oversized Rectangular Waveguide, IEEE AP-S URSI Intl. Symp., Vol. 2, June 2003.
• Takafumi Kai, Jiro Hirokawa, Makoto Ando. Transformer between a Thin Post-Wall Waveguide to a Standard Metal Waveguide, IEEE AP-S URSI Intl. Symp, June 2002.

国内会議発表 (査読有り)

• Takafumi Kai, Jiro Hirokawa, Makoto Ando. Feed through an Aperture to a Post-Wall Waveguide with Step Structure, Intl. Symp. Antennas Propagat., pp. 185-188, Aug. 2004.

国内会議発表 (査読なし・不明)

• Miroslav Samardzija, Takafumi Kai, Jiro Hirokawa, Makoto Ando. Partially-dielectric-filled Single Layer Feed-waveguide for Excitation of the Dominant Quasi TEM-wave in Oversized-rectangular Waveguide, 電子情報通信学会総合大会, 電子情報通信学会総合大会講演論文集, Mar. 2006.
• 橋本 紘, 甲斐貴文, 廣川二郎, 安藤 真. π分岐を用いた平行平板スロットアレー用ポスト壁導波路中央給電回路の設計, 電子情報通信学会 総合大会, 電子情報通信学会総合大会講演論文集, Mar. 2006.
• 矢口太郎, 甲斐貴文, 廣川二郎, 安藤 真. ポスト壁導波路平行平板スロットアレーにおける部分並列給電用2分配回路の設計, 電子情報通信学会 総合大会, 電子情報通信学会総合大会講演論文集, Mar. 2006.
• Huong Tran, 甲斐貴文, 廣川二郎, 古神義則, 安藤 真. ウィスパリングギャラリー共振器を用いた低誘電率銅貼り基板の導電率のミリ波帯測定, 電子情報通信学会 総合大会, 電子情報通信学会総合大会講演論文集, Mar. 2006.
• 橋本紘, 甲斐貴文, 廣川二郎, 安藤真. 平行平板スロットアレー中央給電用ポスト壁導波回路, 信学技報, pp. 13-18, Feb. 2006.
• 橋本 紘, 甲斐貴文, 廣川二郎, 安藤 真. 60GHz帯ポスト壁導波路中央給電平行平板スロットアレーの試作特性, 電子情報通信学会ソサイエティ大会, Sept. 2005.
• 甲斐貴文, 廣川二郎, 安藤 真, 中野 洋, 平地康剛. ミリ波メディアコンバータ用ポスト壁導波路の同軸給電, 信学総大, 信学会, Mar. 2005.
• 橋本 紘, 甲斐 貴文, 廣川 二郎, 安藤 真. 平行平板スロットアンテナ用ポスト壁導波路中央給電回路の設計, 信学東京支部学生会発表会, 信学東京支部, Mar. 2005.
• 甲斐貴文, 廣川二郎, 安藤 真. 導波管開口給電のためのステップ構造を有するポスト壁導波路, 信学総大, Mar. 2004.
• 甲斐貴文, 廣川二郎, 安藤 真. 平行平板アンテナの側壁近傍の電磁界分布の基礎検討, 信学総大, Mar. 2003.
• 甲斐 貴文, 廣川二郎, 安藤 真. 薄型ポスト壁導波路と標準金属壁導波路との接続構造, 信学総大, Mar. 2002.
• 甲斐貴文, 廣川二郎, 安藤 真. 薄型ポスト壁導波路-標準金属導波管変換器, 信学東京支部学生会発表会, Mar. 2001.

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