Nobuaki KUMAGAI


An Improved Finite-Element Formulation Using Transverse Electric or Magnetic Fields Components for Electromagnetic Waveguide Mode Analysis
Tuptim ANGKAEW Masanori MATSUHARA Nobuaki KUMAGAI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/09/25
Vol. E70-E  No. 9  pp. 841-846
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
 Summary | Full Text:PDF(451KB)

Variational formula for Magnetostatic Wave Resonators and Its Applications
Takashi OHIRA Makoto TSUTSUMI Nobuaki KUMAGAI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1983/10/25
Vol. E66-E  No. 10  pp. 581-584
Type of Manuscript:  PAPER
Category: Microwaves and Millimeter Waves
Keyword: 
 Summary | Full Text:PDF(236.6KB)

The Degeneracy of TE and TM Modes in a Transversely Magnetized Ferrite Slab
Charrary SURAWATPUNYA Makoto TSUTSUMI Nobuaki KUMAGAI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1983/10/25
Vol. E66-E  No. 10  pp. 602-607
Type of Manuscript:  PAPER
Category: Microwaves and Millimeter Waves
Keyword: 
 Summary | Full Text:PDF(398.2KB)

The Filter Characteristics of Millimeter Wave in a Permittivity-Modulated Dielectric Slab Waveguide
Charray SURAWATPUNYA Makoto TSUTSUMI Nobuaki KUMAGAI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1981/03/25
Vol. E64-E  No. 3  pp. 188-194
Type of Manuscript:  PAPER
Category: Microwaves and Millimeter Waves
Keyword: 
 Summary | Full Text:PDF(443.1KB)

Experimental Observation of Delay of Magnetostatic Waves in a Partially Magnetized YIG Slab
Makoto TSUTSUMI Yoshihiko MASAOKA Takashi OHIRA Nobuaki KUMAGAI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1979/07/25
Vol. E62-E  No. 7  pp. 481-482
Type of Manuscript:  LETTER
Category: Microwaves and Millimeter Waves
Keyword: 
 Summary | Full Text:PDF(152.2KB)