Naofumi OKUBO

FOREWORD
Matsuo SEKINE Sakae NAGAOKA Yoshio YAMAGUCHI Ikuo ARAI Shogo HAYASHI Kunitoshi NISHIKAWA Naofumi OKUBO Motoyuki SATO Toru SATO Toru UNO Seiho URATSUKA Matsuichi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/09/25
Vol. E83-B  No. 9  pp. 1903-1905
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(97.1KB)
Automotive FM-CW Radar with Heterodyne Receiver
Tamio SAITO Teruhisa NINOMIYA Osamu ISAJI Tominaga WATANAME Hiroshi SUZUKI Naofumi OKUBO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/12/25
Vol. E79-B  No. 12  pp. 1806-1812
Type of Manuscript:  Special Section PAPER (Special Issue on Millimeter-wave Short-range Application Systems Technology)
Category: 
Keyword: 
radar, FM-CW, automotive, heterodyne, 
 Summary | Full Text:PDF(684.7KB)
60-GHz Virtual Common-Drain-Biased Oscillator Design Using an Empirical HEMT Model
Kazuo SHIRAKAWA Yoshihiro KAWASAKI Masahiko SHIMIZU Yoji OHASHI Tamio SAITO Naofumi OKUBO Yashimasa DAIDO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/08/25
Vol. E79-C  No. 8  pp. 1144-1151
Type of Manuscript:  PAPER
Category: Microwave and Millimeter Wave Technology
Keyword: 
HEMT, large-signal, Millimeter-wave, oscillator, virtual common-drain, 
 Summary | Full Text:PDF(677.4KB)
High-Power Millimeter Wave MMIC Amplifier Design Using Improved Load-Pull Method
Kazuo NAGATOMO Shoichi KOIKE Naofumi OKUBO Masafumi SHIGAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/06/25
Vol. E75-C  No. 6  pp. 663-668
Type of Manuscript:  Special Section PAPER (Special Issue on MMIC Technology)
Category: 
Keyword: 
MMIC, large-signal, high-power amplifier load-pull, millimeter-wave, 
 Summary | Full Text:PDF(600.2KB)
Millimeter-Wave HEMT Oscillators
Tamio SAITO Yoji OHASHI Yoshihiro KAWASAKI Naofumi OKUBO Yutaka MIMINO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/12/25
Vol. E74-C  No. 12  pp. 4119-4123
Type of Manuscript:  Special Section PAPER (Special Issue on Millimeter-Wave/Heterojunction Devices)
Category: 
Keyword: 
 Summary | Full Text:PDF(480.5KB)