Concepedia

S. Hamamura

SH

Statistics

Publications

7

Citations

248

H-Index

7

Active since

2001

Affiliations

NEC (Japan)(Current)

Kyushu University

S. Hamamura is an author at NEC (Japan) specializing in electrical engineering, engineering, and power electronics.

Top concepts

EngineeringElectrical EngineeringPower ElectronicsEnergy HarvestingPower ConvertersMechanical EngineeringNoiseActuatorsMechanicsMechatronics

Publications per year

2001–2003

7

Publications

7

New piezoelectric transformer converter for AC-adapter

T. Zaitsu, Yoshiaki Fuda, Yoji Okabe et al. · 2002 · 53 citations

New Ac-adapter, Electrical Engineering, Energy Harvesting +9

Efficiency improvement of piezoelectric-transformer DC-DC converter

Takashi Yamane, S. Hamamura, T. Zaitsu et al. · 2002 · 50 citations

Converter Efficiency, Electrical Engineering, Energy Harvesting +12

Step-Down Piezoelectric Transformer for AC-DC Converters

Mitsuru Yamamoto Mitsuru Yamamoto, Yasuhiro Sasaki, Atsushi Ochi et al. · Japanese Journal of Applied Physics · 2001 · 48 citations

Electrical Engineering, Energy Harvesting, Engineering +10

Combined PWM and PFM control for universal line voltage of a piezoelectric transformer off-line converter

S. Hamamura, Tamotsu Ninomiya, Motoji Yamamoto et al. · IEEE Transactions on Power Electronics · 2003 · 39 citations

New Control Method, Electrical Engineering, Industrial Electronics +10

Noise characteristics of piezoelectric-transformer DC-DC converter

S. Hamamura, T. Zaitsu, Tamotsu Ninomiya et al. · 2002 · 24 citations

Noise Characteristics, Electrical Engineering, Energy Harvesting +9

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