小久保吉裕 (Yoshihiro Kokubo) - マイポータル

基本情報

学位: 博士(工学)(東京工業大学)
修士(工学)(東京工業大学)

J-GLOBAL ID: 200901000284328874
researchmap会員ID: 1000214811

研究キーワード

研究分野

受賞

手島記念研究賞研究奨励賞

論文

Relationship between Brain Waves and Examination Achievements

Information Engineering Express 4(1) 53-62 2018年3月査読有り
Analysis of the Lottery Process for Liberal Arts Class Placement at the University of Hyogo using the PDCA Cycle

Y. Shoji, Y. Kokubo

International Journal of Institutional Research and Management Vol. 1(No. 1) 21-36 2017年3月査読有り
Dual Frequency Oscillator Using Gunn Diodes with a Frequency Dependent Mode Converter

Yoshihiro Kokubo

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS 27(2) 156-158 2017年2月査読有り
Experiment of Frequency Range Dependent TE10 to TE20 Mode Converter

Y. Kokubo, T. Kawai

Journal of Electromagnetic Analysis and Applications Vol.8(No. 9) 173-181 2016年9月査読有り
Simple Method to Change the Magnetic Resonant Frequencies of Short Wire Pairs

小久保吉裕

Journal of Electromagnetic Analysis and Applications Vol.5(No. 4) 162-165 2013年4月査読有り
Frequency-Dependent Rectangular TE30-to-TE10 Mode Converter

Yoshihiro Kokubo

IEICE TRANSACTIONS ON ELECTRONICS E94C(11) 1794-1797 2011年11月査読有り
誘電体および磁性体薄膜の電磁波透過率の計算ソフト

小久保吉裕

応用物理教育 Vol. 35(No.1) 29-34 2011年7月査読有り
Frequency Range Dependent TE10 to TE40 Metallic Waveguide Mode Converter

小久保吉裕

Journal of Electromagnetic Analysis and Applications Vol.3(No. 7) 287-290 2011年7月査読有り
FREQUENCY RANGE DEPENDENT TE10 TO TE20 MODE CONVERTER

Yoshihiro Kokubo

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS 52(1) 169-171 2010年1月査読有り
半導体レーザーの利得の温度依存性と光出力の測定

小久保吉裕

応用物理教育 Vol. 33(No.2) 3-8 2009年12月査読有り
Fabrication of Wide Band Metallic Bend Waveguide with Asymmetric In-Line Dielectric Rods

Yoshihiro Kokubo, Tadashi Kawai

IEICE TRANSACTIONS ON ELECTRONICS E92C(12) 1538-1540 2009年12月査読有り
90-DEGREE H-PLANE BENT WAVEGUIDE USING DIELECTRIC RODS

Yoshihiro Kokubo, Tadashi Kawai

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS 51(9) 2015-2017 2009年9月査読有り
Rectangular TE30 to TE10 Mode Converter

Yoshihiro Kokubo

IEICE TRANSACTIONS ON ELECTRONICS E92C(8) 1087-1090 2009年8月査読有り
半導体レーザーの遠視野像の計算および測定

小久保吉裕

応用物理教育 Vol. 33(No.1) 7-12 2009年7月査読有り
簡易TE10-TE20 モード変換器

小久保吉裕

電子情報通信学会論文誌 Vol.J92-C(No.1) 32-33 2009年1月査読有り
Wide Band Metallic Waveguide with Asymmetric In-Line Dielectric Rods

Yoshihiro Kokubo, Tadashi Kawai

IEICE TRANSACTIONS ON ELECTRONICS E91C(12) 1966-1968 2008年12月査読有り
Analysis of propagation loss of metallic photonic crystal waveguides

Yoshihiro Kokubo

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS 50(11) 2942-2945 2008年11月査読有り
Dual-Band Wilkinson Power Dividers Using a Series RLC Circuit

Tadashi Kawai, Yasuaki Nakashima, Yoshihiro Kokubo, Isao Ohta

IEICE TRANSACTIONS ON ELECTRONICS E91C(11) 1793-1797 2008年11月査読有り
Parallel Coupled Microstrip Couplers Compensated with Periodic Floating-Conductors on Coupled Edges

T.Fujii, I.Ohta, T.Kawai, Y.Kokubo

IEICE Transactions on Electronics, Vol.E91-C Vol.E91-C(No.5) 780-787 2008年5月査読有り
Wide band metallic waveguide with in-line dielectric rods

Yoshihiro Kokubo

IEEE Microwave and Wireless Components Letters 18(2) 79-81 2008年2月査読有り

もっとみる

MISC

PDCA cycle model of drawing process for class placement of liberal arts: The trial work of the IR section at the university of Hyogo

Yoshihiko Shoji, Yoshihiro Kukobo

Proceedings - 2016 5th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2016 513-516 2016年8月31日査読有り
A Frequency Multiplexer/Demultiplexer for Dual Frequency Waveguide

Y. Kokubo, T. Kawai

38th European Microwave Conference (EuMC2008) Proc. 24-27 2008年査読有り
Dual-band metallic waveguide with low dielectric constant material

Yoshihiro Kokubo, Daisuke Maki, Tadashi Kawai

2007 EUROPEAN MICROWAVE CONFERENCE, VOLS 1-4 890-892 2007年査読有り
Lumped-Element Wilkinson Power Dividers Using LC-Ladder Circuits

T. Kawai, Y. Nakashima, Y. Kokubo, I. Ohta

Proc. of The First International Symposium on Radio Systems and Space Plasma (ISRSSP 2007) C1-C-1407 35-38 2007年査読有り
Compact CPW rat-race and branch-line hybrids utilizing slow-wave structure

Takao Fujii, Yoshihiro Kokubo, Isao Ohta

Asia-Pacific Microwave Conference Proceedings, APMC 2 1349-1352 2006年査読有り
A design method of dual-frequency Wilkinson power divider

Tadashi Kawai, Jun Yamasaki, Yoshihiro Kokubo, Isao Ohta

Asia-Pacific Microwave Conference Proceedings, APMC 2 913-916 2006年査読有り
High Directivity Quarter-Wave Microstrip Couplers with Periodic Floating-Conductors on Coupled Edges

T. Fujii, Y. Kokubo, I. Ohta

36th European Microwave Conference (EuMC2006) Proc. EuMC02-4 32-35 2006年査読有り
A construction of coupled-line 3-dB couplers using quarter-wave connecting lines

Takao Fuji, Isao Ohta, Tadashi Kawai, Yoshihiro Kokubo

35TH EUROPEAN MICROWAVE CONFERENCE, VOLS 1-3, CONFERENCE PROCEEDINGS 37-40 2005年査読有り
Design of broadband semi-lumped and lumped element quadrature hybrids

J Yamasaki, Ohta, I, T Kawai, Y Kokubo

2005 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM, VOLS 1-4 1247-1250 2005年査読有り
Photonic crystal waveguides with inner metal-coated posts at millimeter-wave frequency range

Y Kokubo, T Kawai, Ohta, I

34TH EUROPEAN MICROWAVE CONFERENCE, VOLS 1-3, CONFERENCE PROCEEDINGS 1137-1140 2004年査読有り
A low loss photonic crystal waveguide at millimeter wave

Y Kokubo, T Kawai, Ohta, I

33RD EUROPEAN MICROWAVE CONFERENCE, VOLS 1-3, CONFERENCE PROCEEDINGS 147-149 2003年査読有り
A New Type of Photonic Crystal Waveguide at Millimeter Wave

Y.Kokubo, T.Kawai, I.Ohta

Proc. the International Conference on Electromagnetics in Advanced Applications (ICEAA'03) 151-153 2003年査読有り
Directivity improvement of microsrip coupled line couplers based on equivalent admittance approach

Ohta, I, T Kawai, T Fujii, Y Kokubo

2003 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-3 43-46 2003年査読有り
Broad-Band Short-Slot Eight-Port Hybrids

T. Kawai, A. Hino, Y. Kokubo, I. Ohta

32nd European Microwave Conference Proc. 2 621-624 2002年査読有り
Broad-Band Short-Slot Four-Port and Eight-Port Hybrids

I. Ohta, T. Kawai, Y. Kokubo, A. Hino

2002 China-Japan Joint Meeting on Microwaves Conference Proc. 7-10 2002年査読有り
Broad-band simple H-plane directional couplers

Ohta, I, A Hino, T Kawai, Y Kokubo

APMC 2001: ASIA-PACIFIC MICROWAVE CONFERENCE, VOLS 1-3, PROCEEDINGS 41-44 2001年査読有り
High-efficiency and high-power laser diodes for CD-R/RW and DVD-RAM/RW

A.Shima, M.Miyashita, Z.Kawazu, H.Nishiguchi, M.Sasaki, Y.Tashiro, T.Yagi, E.Omura, Y.Kokubo

Proc. SPIE Vol.4287 48-56 2001年査読有り招待有り
Broadband lumped-element 180-degree hybrids utilizing lattice circuits

T Kawai, Y Kokubo, Ohta, I

2001 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-3 (TU1B-5) 47-50 2001年査読有り
Low-Operating-Current, High-Power, 660nm Laser Diodes for DVD-RAM

M. Kato, M. Miyashita, A. Shima, K. Ono, T. Yagi, Y. Kokubo

Fifth Optoelectronics and Communications Conference (OECC2000) Technical Digest 14C2-4 534-535 2000年査読有り
A very-small-sized reversed-phase hybrid ring

Ohta, I, T Kawai, Y Kokubo

2000 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-3 Vol.2 1145-1148 2000年査読有り

もっとみる

講演・口頭発表等

Relationship between Good Grades and Brain Waves

Y. Kokubo, Y. Shoji

6th International Conference on Learning Technologies and Learning Environments 2017年7月9日
PDCA Cycle Model of Drawing Process for Class Placement of Liberal Arts

Y. Shoji, Y. Kokubo

5th International Congress on Advanced Applied Informatics 2016年7月10日
スマホを用いた理解度を確認しながらの授業

小久保吉裕

信学総全大 2016年3月
A Frequency Multiplexer/Demultiplexer for Dual Frequency Waveguide

Y. Kokubo, T. Kawai

38th European Microwave Conference (EuMC2008) Proc. 2008年10月
Dual-Band Metallic Waveguide with Low Dielectric Constant Material

Y. Kokubo, D. Maki, T. Kawai

37th European Microwave Conference (EuMC2007) 2007年10月
High Directivity Quarter-Wave Microstrip Couplers with Periodic Floating-Conductors on Coupled Edges

36th European Microwave Conference (EuMC2006) 2006年
A Design Method of Dual-Frequency Wilkinson Power Divider

2006 Asia-Pacific Microwave Conference 2006年
Compact CPW Rat-Race and Branch-Line Hybrids Utilizing Slow-Wave Structure

2006 Asia-Pacific Microwave Conference (APMC2006) 2006年
Compact CPW Rat-Race and Branch-Line Hybrids Utilizing Slow-Wave Structure

2006 Asia-Pacific Microwave Conference (APMC2006) 2006年
A Design Method of Dual-Frequency Wilkinson Power Divider

2006 Asia-Pacific Microwave Conference 2006年
High Directivity Quarter-Wave Microstrip Couplers with Periodic Floating-Conductors on Coupled Edges

36th European Microwave Conference (EuMC2006) 2006年
Design of Broadband Semi-Lumped and Lumped Element Quadrature Hybrids

2005 IEEE MTT-S International Microwave Symposium 2005年
A Construction of Coupled-Line 3 dB Couplers Using Quarter-Wave Connecting Lines

35th European Microwave Conference (EuMC2005) 2005年
A Construction of Coupled-Line 3 dB Couplers Using Quarter-Wave Connecting Lines

35th European Microwave Conference (EuMC2005) 2005年
Design of Broadband Semi-Lumped and Lumped Element Quadrature Hybrids

2005 IEEE MTT-S International Microwave Symposium 2005年
Photonic Crystal Waveguides with Inner Metal-Coated Posts at Millimeter-Wave Frequency Range

Y.Kokubo, T.Kawai, I.Ohta

34th European Microwave Conference (EuMC2004) 2004年10月
A Low Loss Photonic Crystal Waveguide at Millimeter Wave

Y.Kokubo, T.Kawai, I.Ohta

33rd European Microwave Conference (EuMC2003) 2003年10月
A New Type of Photonic Crystal Waveguide at Millimeter Wave

Y.Kokubo, T.Kawai, I.Ohta

International Conference on Electromagnetics in Advanced Applications (ICEAA'03), 2003年9月
Directivity Improvement of Microstrip Coupled Line Couplers Based on Equivalent Admittance Approach

2003 IEEE MTT-S International Microwave Symposium 2003年
Directivity Improvement of Microstrip Coupled Line Couplers Based on Equivalent Admittance Approach

2003 IEEE MTT-S International Microwave Symposium 2003年

もっとみる

所属学協会

共同研究・競争的資金等の研究課題

メタ・マテリアルを利用した導波管に関する研究

2010年 - 2012年
Analysis of quantum optical devices

産業財産権

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