Hiroyuki OKADA


Blue/Green Selective Organic Photodiodes with Tandem Structure
Kazuhiko SEGI Shigeki NAKA Hiroyuki OKADA 
Publication:   
Publication Date: 2017/02/01
Vol. E100-C  No. 2  pp. 118-121
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
organic photodiodewavelength selectivevertically stackedcolor sensorlight sensor
 Summary | Full Text:PDF(319.5KB)

Transparent Organic Light-Emitting Diodes with Top Electrode Using Ion-Plating Method
Hironao SANO Ryota ISHIDA Tatsuya KURA Shunsuke FUJITA Shigeki NAKA Hiroyuki OKADA Takeshi TAKAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/11/01
Vol. E98-C  No. 11  pp. 1035-1038
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
organic light-emitting diodeion-platingtransparent electrodehigh deposition ratelow temperature deposition
 Summary | Full Text:PDF(566.7KB)

Optimization and Evaluation of Temperature Dependences in Graded Organic Solar Cells with Cupper Phthalocyanine/Fullerene System
Takuya HORIOKA Zhaokui WANG Shigeki NAKA Hiroyuki OKADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/08/01
Vol. E96-C  No. 8  pp. 1054-1060
Type of Manuscript:  PAPER
Category: Electronic Materials
Keyword: 
organic photovoltaic cellorganic devicegraded structuretemperature dependence
 Summary | Full Text:PDF(2.8MB)

Low-Voltage and Low-Power Logic, Memory, and Analog Circuit Techniques for SoCs Using 90 nm Technology and Beyond
Koichiro ISHIBASHI Tetsuya FUJIMOTO Takahiro YAMASHITA Hiroyuki OKADA Yukio ARIMA Yasuyuki HASHIMOTO Kohji SAKATA Isao MINEMATSU Yasuo ITOH Haruki TODA Motoi ICHIHASHI Yoshihide KOMATSU Masato HAGIWARA Toshiro TSUKADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/03/01
Vol. E89-C  No. 3  pp. 250-262
Type of Manuscript:  INVITED PAPER (Special Section on VLSI Design Technology in the Sub-100 nm Era)
Category: 
Keyword: 
low powerCMOSSoC90 nmlow voltagevariability
 Summary | Full Text:PDF(2.1MB)

Error Detection by Digital Watermarking for MPEG-4 Video Coding
Hiroyuki OKADA Altan-Erdene SHIITEV Hak-Sop SONG Gen FUJITA Takao ONOYE Isao SHIRAKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/06/01
Vol. E85-A  No. 6  pp. 1281-1288
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 2001 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2001))
Category: 
Keyword: 
MPEG-4error resilienceerror detectiondigital watermarking
 Summary | Full Text:PDF(1.2MB)

White Organic Electroluminescent Devices with Mixed Single Layer
Shigeki NAKA Kazuhisa SHINNO Hiroyuki OKADA Hiroshi ANADA Hiroyoshi ONNAGAWA Takenori IZUMIZAWA Manabu UCHIDA Kenji FURUKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/08/25
Vol. E80-C  No. 8  pp. 1114-1116
Type of Manuscript:  Special Section LETTER (Special Issue on Advanced Emissive Displays)
Category: 
Keyword: 
electroluminescencewhite emissionmixed layersingle source evaporationsingle layer device
 Summary | Full Text:PDF(232.7KB)

Fault Tolerant Routing for Realization of BPC Permutations in Delta Networks
Hiroshi MASUYAMA Yuichirou MORITA Hiroyuki OKADA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1992/07/25
Vol. E75-D  No. 4  pp. 557-568
Type of Manuscript:  PAPER
Category: Computer Networks
Keyword: 
fault tolerantBPC permutationdelta network
 Summary | Full Text:PDF(956KB)

Numerical Analysis on Dynamic Performance of Amorphous-Silicon Transistor Circuits
Hiroyuki OKADA Yasutaka UCHIDA Masakiyo MATSUMURA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/01/25
Vol. E69-E  No. 1  pp. 56-63
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
 Summary | Full Text:PDF(677.8KB)