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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 6 of 6  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
EE, WPT, IEE-SPC
(Joint) [detail]
2015-07-06
13:30
Kyoto   Performance Evaluation of Surge Energy Regeneratable Switching Power Supply Using Two Switches
Shun Ida, Masahito Shoyama (Kyushu Univ.), Tomofumi Yamashita (Ricoh) EE2015-7
In recent years, from the viewpoint of environmental problem, more and more high efficiency and miniaturize in electroni... [more] EE2015-7
pp.7-12
EE, CPM 2015-02-27
10:00
Tokyo NTT Musashino R&D Center Loss Analysis of Surge Energy Regeneration Switching Power Supply Using Two Swiches
Tomofumi Yamashita (RICOH), Masahito Shoyama, Kewei Shi, Shun Ida (Kyushu Univ.) EE2014-41 CPM2014-155
In recent years, with the depletion of fossil reserves and the increase in pollution, to achieve a high power density an... [more] EE2014-41 CPM2014-155
pp.1-6
EE, WPT
(Joint)
2014-11-18
11:50
Kyoto Doshisha University Analysis Operation of Two Switch Power Supply Using Surge Energy Regeneration Circuit
Tomofumi Yamashita (RICOH), Masahito Shoyama, Kewei Shi, Shun Ida (Kyushu Univ.) EE2014-20
In recent years, with the depletion of fossil reserves and the increase in pollution, it is a key point to achieved high... [more] EE2014-20
pp.7-12
EE, WPT
(Joint)
2014-11-19
15:20
Kyoto Doshisha University The Analysis of Losses in Non-isolated Single Stage Buck-Boost ZVS-PWM PFC Converters
Shohtaroh Sohma (RICOH Electronic Devices), Masahito Shoyama (Kyushu Univ.), Tomofumi Yamashita (RICOH) EE2014-27
Non-isolated ZVS(Zero Volt Switch)-PWM(Pulse Width Modulation) PFC(Power Factor Correction) converter is known as a PFC ... [more] EE2014-27
pp.49-54
EE 2009-07-31
10:40
Shimane   Reduction of Current Peak in a Current Mode Multi-Resonant Converter
Chunfeng Jin, Tamotsu Ninomiya (Nagasaki Univ.), Tomofumi Yamashita, Takeshi Iwata, Tsuyosi Ueno (Ricoh) EE2009-13
The purpose of this paper is to present a reduction method of the resonant current peak in a current-mode resonant conve... [more] EE2009-13
pp.35-39
EE 2009-02-13
10:15
Overseas Industrial Technology Research Institute The efficiency improvement of a single-stage soft-switching AC-DC PFC converter
Xia Yongqiang, Masahito Shoyama (Kyushu Univ.), Tamotsu Ninomiya (Nagasaki Univ.), Tomofumi Yamashita (RICOH) EE2008-78
 [more] EE2008-78
pp.83-88
 Results 1 - 6 of 6  /   
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