Toshio NISHIKAWA


An Efficient Analysis of Lossless and Lossy Discontinuities in Waveguide Using Hybrid Numerical Method
Takeshi SHIRAISHI Toshio NISHIKAWA Kikuo WAKINO Toshihide KITAZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/11/01
Vol. E86-C  No. 11  pp. 2184-2190
Type of Manuscript:  Special Section PAPER (Special Issue on Analytical and Simulation Methods for Electromagnetic Wave Problems)
Category: 
Keyword: 
spectral domain methodmode-matching methodhybrid numerical methodscattering parameterswaveguide
 Summary | Full Text:PDF(837.5KB)

RF Front End Circuit Components Miniaturized Using Dielectric Resonators for Cellular Portable Telephones
Toshio NISHIKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1991/06/25
Vol. E74-B  No. 6  pp. 1556-1562
Type of Manuscript:  INVITED PAPER (Special Issue on Mobile Communications)
Category: 
Keyword: 
 Summary | Full Text:PDF(536.1KB)

Miniaturized Duplexer Using Rectangular Coaxial Dielectric Resonators for Cellular Portable Telephone
Haruo MATSUMOTO Tadahiro YORITA Youhei ISHIKAWA Toshio NISHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/05/25
Vol. E74-C  No. 5  pp. 1214-1220
Type of Manuscript:  Special Section PAPER (Special Issue on the 3rd Asia-Pacific Microwave Conference)
Category: Passive Components
Keyword: 
 Summary | Full Text:PDF(607KB)

A Miniature Isolator for 800 MHz Band Mobile Communication Systems
Youhei ISHIKAWA Takekazu OKADA Takashi KAWANAMI Keiji OKAMURA Toshio NISHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/05/25
Vol. E74-C  No. 5  pp. 1226-1232
Type of Manuscript:  Special Section PAPER (Special Issue on the 3rd Asia-Pacific Microwave Conference)
Category: Passive Components
Keyword: 
 Summary | Full Text:PDF(559.5KB)