Masayoshi UMENO


Motion Detecting Artificial Retina Model by Two-Dimensional Multi-Layered Analog Electronic Circuits
Masashi KAWAGUCHI Takashi JIMBO Masayoshi UMENO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/02/01
Vol. E86-A  No. 2  pp. 387-395
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
neural networkmotion detectionanalog circuitsartificial retinatwo-dimensional circuits
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Investigations on Strained AlGaN/GaN/Sapphire and GaInN Multi-Quantum-Well Surface LEDs Using AlGaN/GaN Bragg Reflectors
Hiroyasu ISHIKAWA Naoyuki NAKADA Masaharu NAKAJI Guang-Yuan ZHAO Takashi EGAWA Takashi JIMBO Masayoshi UMENO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/04/25
Vol. E83-C  No. 4  pp. 591-597
Type of Manuscript:  Special Section PAPER (Special Issue on Blue Laser Diodes and Related Devices/Technologies)
Category: 
Keyword: 
light emitting diode (LED)distributed Bragg reflector (DBR)GaNAlGaNGaInN
 Summary | Full Text:PDF(1.5MB)

Optoelectronic Integrated Circuits Grown on Si Substrates
Takashi EGAWA Takashi JIMBO Masayoshi UMENO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/01/25
Vol. E76-C  No. 1  pp. 106-111
Type of Manuscript:  INVITED PAPER (Special Issue on Opto-Electronics and LSI)
Category: Integration of Opto-Electronics and LSI Technologies
Keyword: 
GaAs/SiOEIClaserdegradationMOCVD
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Room-Temperature CW Operation of AlGaAs/GaAs SQW Lasers Grown on Si by MOCVD
Takashi EGAWA Takashi JIMBO Masayoshi UMENO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/01/25
Vol. E75-C  No. 1  pp. 58-64
Type of Manuscript:  Special Section PAPER (Joint Special Section on Fundamentals of Next Generation Opto-Technologies)
Category: 
Keyword: 
GaAs/SiCW operationMOCVDSQW laser
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Room-Temperature CW Operation of AlGaAs/GaAs SQW Lasers Grown on Si by MOCVD
Takashi EGAWA Takashi JIMBO Masayoshi UMENO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/01/25
Vol. E75-A  No. 1  pp. 60-66
Type of Manuscript:  Special Section PAPER (Joint Special Section on Fundamentals of Next Generation Opto-Technologies)
Category: 
Keyword: 
GaAs/SiCW operationMOCVDSQW laser
 Summary | Full Text:PDF(703KB)

A Model for Pattern Recognition
Xiao-yan ZHU Yasuaki IWASE Takashi JIMBO Masayoshi UMENO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/08/25
Vol. E72-E  No. 8  pp. 888-890
Type of Manuscript:  LETTER
Category: Image Processing, Computer Graphics and Pattern Recognition
Keyword: 
 Summary | Full Text:PDF(173KB)

Room Temperature Operation of InGaAsP/GaAs0.7P0.3 Double Heterostructure Oxide Stripe Lasers
Sadao FUJII Shiro SAKAI Masayoshi UMENO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/04/25
Vol. E69-E  No. 4  pp. 378-381
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1986 National Convention IECE Japan)
Category: Lasers and Related Devices
Keyword: 
 Summary | Full Text:PDF(289.1KB)

Optimum Designing of InGaAsP/InP Wavelength Demultiplexing Photodiodes
Shiro SAKAI Masayoshi UMENO Yoshifumi AMEMIYA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1980/03/25
Vol. E63-E  No. 3  pp. 192-197
Type of Manuscript:  PAPER
Category: Other Devices
Keyword: 
 Summary | Full Text:PDF(333.4KB)