Jun-ichi TAKAHASHI


Degradation Analysis of Blue Phosphorescent Organic Light Emitting Diode by Impedance Spectroscopy and Transient Electroluminescence Spectroscopy
Toshinari OGIWARA Jun-ichi TAKAHASHI Hitoshi KUMA Yuichiro KAWAMURA Toshihiro IWAKUMA Chishio HOSOKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/11/01
Vol. E92-C  No. 11  pp. 1334-1339
Type of Manuscript:  INVITED PAPER (Special Section on Electronic Displays)
Category: 
Keyword: 
degradation analysisblue phosphorescent OLEDimpedance spectroscopytransient electroluminescence spectroscopy
 Summary | Full Text:PDF(733.6KB)

Microphotonics Devices Based on Silicon Wire Waveguiding System
Koji YAMADA Tai TSUCHIZAWA Toshifumi WATANABE Jun-ichi TAKAHASHI Emi TAMECHIKA Mitsutoshi TAKAHASHI Shingo UCHIYAMA Hiroshi FUKUDA Tetsufumi SHOJI Sei-ichi ITABASHI Hirofumi MORITA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/03/01
Vol. E87-C  No. 3  pp. 351-358
Type of Manuscript:  INVITED PAPER (Special Section on Photonic Crystals and Their Device Applications)
Category: 
Keyword: 
integrated optical circuitsilicon wire waveguidesilicon-on-insulatormode field size converteradiabatic tapermultimode interference devicephotonic crystallattice filter
 Summary | Full Text:PDF(800.6KB)

Si-Based Photonic Crystals and Photonic-Bandgap Waveguides
Masaya NOTOMI Akihiko SHINYA Eiichi KURAMOCHI Itaru YOKOHAMA Chiharu TAKAHASHI Koji YAMADA Jun-ichi TAKAHASHI Takayuki KAWASHIMA Shojiro KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/04/01
Vol. E85-C  No. 4  pp. 1025-1032
Type of Manuscript:  INVITED PAPER (Special Issue on Recent Progress of Integrated Photonic Devices)
Category: New Devices
Keyword: 
photonic crystalphotonic band gapwaveguidephotonic ICSi photonics
 Summary | Full Text:PDF(2.5MB)

Discriminative Training Based on Minimum Classification Error for a Small Amount of Data Enhanced by Vector-Field-Smoothed Bayesian Learning
Jun-ichi TAKAHASHI Shigeki SAGAYAMA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/12/25
Vol. E79-D  No. 12  pp. 1700-1707
Type of Manuscript:  PAPER
Category: Speech Processing and Acoustics
Keyword: 
speech recognitionhidden Markov modeldiscriminative trainingspeaker adaptation
 Summary | Full Text:PDF(745.3KB)

A Hardware Architecture Design Methodology for Hidden Markov Model Based Recognition Systems Using Parallel Processing
Jun-ichi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/06/25
Vol. E76-A  No. 6  pp. 990-1000
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
hidden markov modelspeech recognitioncorrective trainingparallel processingarray processorsystem design
 Summary | Full Text:PDF(787.5KB)

Synchrotron Radiation Stimulated Evaporation of a-SiO2 Films and Its Application for Si Surface Cleaning
Housei AKAZAWA Yuichi UTSUMI Jun-ichi TAKAHASHI Tsuneo URISU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/07/25
Vol. E75-C  No. 7  pp. 781-789
Type of Manuscript:  Special Section PAPER (Special Issue on Ultra Clean Technology)
Category: 
Keyword: 
photostimulated evaporationa-SiO2surface cleaninggas-source MBE
 Summary | Full Text:PDF(1MB)