Yoshihiro TAKIGAWA


A Miniaturized In-Phase Power Divider with a DC Block Function
Hitoshi HAYASHI Tadao NAKAGAWA Kazuhiro UEHARA Yoshihiro TAKIGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/10/01
Vol. E90-C  No. 10  pp. 2022-2029
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
in-phasepowerdividerminiaturizedDC block
 Summary | Full Text:PDF(1.3MB)

An Active Terminal Circuit and Its Application to a Distributed Amplifier
Hitoshi HAYASHI Munenari KAWASHIMA Tadao NAKAGAWA Kazuhiro UEHARA Yoshihiro TAKIGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/06/01
Vol. E90-C  No. 6  pp. 1203-1208
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
distributedamplifiercascode-connectedDarlington pair
 Summary | Full Text:PDF(522KB)

Miniaturized Broadband Lumped-Element In-Phase Power Dividers
Hitoshi HAYASHI Tadao NAKAGAWA Kazuhiro UEHARA Yoshihiro TAKIGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/06/01
Vol. E90-C  No. 6  pp. 1222-1227
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
in-phasepowerdividerminiaturizedlumped-elementbroadband
 Summary | Full Text:PDF(687KB)

Highly-Reliable and Fast M:N End-to-End Restoration Scheme for Photonic IP Networks
Wataru IMAJUKU Yoshiaki SONE Naohide NAGATSU Akio SAHARA Yoshihiro TAKIGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/10/01
Vol. E88-B  No. 10  pp. 3914-3921
Type of Manuscript:  Special Section PAPER (Special Section on Next Generation Photonic Network Technologies)
Category: 
Keyword: 
optical pathOXCGMPLSrestorationRSVP-TE
 Summary | Full Text:PDF(632.6KB)

Performance Evaluation of Dynamic Multi-Layer Routing Schemes in Optical IP Networks
Eiji OKI Kohei SHIOMOTO Masaru KATAYAMA Wataru IMAJUKU Naoaki YAMANAKA Yoshihiro TAKIGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/06/01
Vol. E87-B  No. 6  pp. 1577-1583
Type of Manuscript:  PAPER
Category: Network
Keyword: 
dynamic routingoptical networkIP networktraffic grooming
 Summary | Full Text:PDF(606.4KB)

Fast Restoration on Network Control Plane Established through Photonic MPLS Routers
Katsuhiro SHIMANO Akio SAHARA Kazuhiro NOGUCHI Masafumi KOGA Yoshihiro TAKIGAWA Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/05/01
Vol. E86-B  No. 5  pp. 1522-1529
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: 
Keyword: 
photonic networkrestorationoptical cross-connectdistributed network control
 Summary | Full Text:PDF(1.3MB)