Yohtaro Umeda - Concepedia

Author

Yohtaro Umeda

Tokyo University of Science

Also Known As

Tomoaki Mgrita, Yohtaro UMEDA, Yohtaro Umeda, Yohtaro Umeda Yohtaro Umeda

116

Publications

598

Citations

H-Index

Concepts

All Affiliations

Tokyo University of Science NTT Basic Research Laboratories National Institute of Information and Communications Technology Nagoya Institute of Technology NTT (United States)

About

Yohtaro Umeda is an author at Tokyo University of Science specializing in engineering, optoelectronics, and electrical engineering.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	9	9	387
2	Computer Engineering	5	5	216
3	Electrical Engineering	5	5	318
4	Applied Physics	1	1	117
5	Antenna	1	1	10

Yohtaro Umeda

Publications

421

Citations

H-Index

Page 1

	Year	Citations
0.05-µ m-Gate InAlAs/InGaAs High Electron Mobility Transistor and Reduction of Its Short-Channel Effects T. Enoki, Masaaki Tomizawa, Yohtaro Umeda, Japanese Journal of Applied Physics SemiconductorsSemiconductor TechnologyElectrical EngineeringElectronic DevicesEngineering	1994	117
Ultrahigh-Speed Integrated Circuits Using InP-Based HEMTs T. Enoki, Haruki Yokoyama, Yohtaro Umeda, Japanese Journal of Applied Physics Electrical EngineeringElectronic DevicesEngineeringHigh-speed ElectronicsHigh-frequency Device	1998	93
A High-Speed LED Driver That Sweeps Out the Remaining Carriers for Visible Light Communications Toshiki Kishi, Hiroyuki Tanaka, Yohtaro Umeda, Journal of Lightwave Technology Wireless CommunicationsEngineeringVisible Light CommunicationsCmos InverterOptical Wireless Communication	2013	64
0.1-μm InAlAs/InGaAs HEMTS with an InP-recess-etch stopper grown by MOCVD T. Enoki, Hiroshi Itô, Kenji Ikuta, Microwave and Optical Technology Letters Electrical EngineeringEngineeringUniform Threshold VoltageScfl Ring OscillatorHigh-frequency Device	1996	27
Digital Color Shift Keying With Multicolor LED Array Murata Naoya, Yusuke Kozawa, Yohtaro Umeda IEEE photonics journal PhotonicsWireless CommunicationsEngineeringColor ReproductionRgb Leds	2016	27
High-speed LED driver for visible light communications with drawing-out of remaining carrier Hiroyuki Tanaka, Yohtaro Umeda, Osamu Takyu Free-space Optical NetworkPhotonicsEngineeringOphthalmologyHorizontal Eye	2011	20
SCFL static frequency divider using InAIAs/InGaAs/InP HEMTs Yohtaro Umeda, K. Osafune, T. Enoki, Scfl InverterPropagation Delay TimeElectrical EngineeringEngineering38.6-Ghz Operation	1995	17
Hybrid PWM/DPAM Dimming Control for Digital Color Shift Keying Using RGB-LED Array Jumpei Okumura, Yusuke Kozawa, Yohtaro Umeda, IEEE Journal on Selected Areas in Communications	2017	14
Performance evaluation of Digital Colour Shift Keying for visible light communications Murata Naoya, Hiroki Shimamoto, Yusuke Kozawa, PhotonicsWireless CommunicationsScsk PerformancesEngineeringLight Regulation	2015	12
Analysis of read range for UHF passive RFID tags in close proximity with dynamic impedance measurement of tag ICs Yojima Hiroyuki, Yu Tanaka, Yohtaro Umeda, Rf DevicesNear Field CommunicationEngineeringRadio FrequencyMeasurement	2011	10

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