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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 23  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EE 2023-01-20
15:55
Fukuoka Kyushu Institute of Technology
(Primary: On-site, Secondary: Online)
Behavior of power MOSFETs driving series LC resonant inverters
Daisuke Arai, Aoi Oyane, Yu Yonezawa, Jun Imaoka, Masayoshi Yamamoto (Nagoya Univ.)
 [more]
EE, OME, CPM 2022-12-09
15:30
Tokyo
(Primary: On-site, Secondary: Online)
The Role of Governments and Central Banks in the Era of Providing Public Subsidies to Semiconductor Factories
Daisuke Arai, Yu Yonezawa, Jun Imaoka, Masayoshi Yamamoto (Nagoya Univ.) EE2022-28 CPM2022-83 OME2022-41
(To be available after the conference date) [more] EE2022-28 CPM2022-83 OME2022-41
pp.53-58
EE, OME, CPM 2022-12-09
15:55
Tokyo
(Primary: On-site, Secondary: Online)
Accurate Modeling of SMPSs by Extended State-space Averaging Method Using Central Difference Approximation
Hideaki Funaki, Yuichi Noge, Masahito Shoyama (Kyushu Univ.), Yu Yonezawa (Nagoya Univ.) EE2022-29 CPM2022-84 OME2022-42
(To be available after the conference date) [more] EE2022-29 CPM2022-84 OME2022-42
pp.59-64
EE, WPT
(Joint)
2022-10-06
10:05
Osaka
(Primary: On-site, Secondary: Online)
Changes in banks' fund management as a result of the shrinking balance sheet of Japan's electronics companies
Daisuke Arai, Yu Yonezawa, Jun Imaoka, Masayoshi Yamamoto (Nagoya Univ.) EE2022-14
This paper is a continuation of the contents presented at previous EE meetings (held on November 18, 2021, January 28, 2... [more] EE2022-14
pp.1-6
EE, IEE-SPC 2022-07-14
13:55
Aichi WINC AICHI
(Primary: On-site, Secondary: Online)
Financial Deterioration of Japanese Electronics Firms since the 1990s and Bank Lending Trends
Daisuke Arai, Yu Yonezawa, Jun Imaoka, Masayoshi Yamamoto (Nagoya Univ.) EE2022-8
This paper is a continuation of the contents presented at previous EE meetings (held on November 18, 2021, January 28, 2... [more] EE2022-8
pp.1-6
EE, IEE-SPC
(Joint)
2022-03-10
15:20
Online Online The Trends of Balance Sheets for Japanese Electronics Companies in the Early 21st Century
Daisuke Arai, Yu Yonezawa, Jun Imaoka, Masayoshi Yamamoto (Nagoya Univ.) EE2021-56
This paper is a continuation of the content presented at previous EE meetings (held on November 18, 2021 and January 28,... [more] EE2021-56
pp.23-28
EE 2022-01-28
11:45
Online Online Real-Time Simulation Model of Buck Converter Considering Operation Change between CCM and DCM of Inductor Current
Hideaki Funaki, Yuichi Noge, Masahito Shoyama (Kyushu Univ.), Yu Yonezawa (Nagoya Univ.) EE2021-45
(To be available after the conference date) [more] EE2021-45
pp.79-84
EE 2022-01-28
15:10
Online Online Bankruptcy of Elpida Memory, Inc. from the perspective of double-entry bookkeeping
Daisuke Arai, Yu Yonezawa, Atsushi Imaoka, Masayoshi Yamamoto (Nagoya Univ.) EE2021-50
This paper is a sequel to the one presented at the last EE seminar (held on November 18, 2021). The spread of Covid-19 o... [more] EE2021-50
pp.106-111
EE, OME, CPM 2021-11-18
14:50
Online Online Impact of Covid-19 Shock on Power Electronics and Semiconductor Shortage
Daisuke Arai, Yu Yonezawa, Jun Imaoka, Masayoshi Yamamoto (Nagoya Univ.) EE2021-27 CPM2021-45 OME2021-21
In March 2020, a global stock market crash occurred as a result of the spread of Covid-19. However, the stock prices rec... [more] EE2021-27 CPM2021-45 OME2021-21
pp.51-56
EE, IEE-SPC
(Joint)
2021-03-01
15:30
Online Online Modeling Method for Large Amplitude Fluctuation Characteristics of LLC Current Resonant Converter Using Linear Parameter-Varying (LPV) Plants
Hideaki Funaki, Yuichi Noge, Masahito Shoyama (Kyushu Univ.), Yu Yonezawa, Yoshiyasu Nakashima (FUJITSU Advanced Technologies) EE2020-41
(To be available after the conference date) [more] EE2020-41
pp.7-12
EE 2021-01-25
10:55
Online Online (Zoom) Aged Deterioration Detection of DC-DC Converter
Yasuyuki Koga (NiAS), Yudai Furukawa (Fukuoka University), Kazuhiro Kajiwara, Nobumasa Matsui, Fujio Kurokawa (NiAS), Yoshiyasu Nakashima, Yu Yonezawa (FUJITSU Advanced Technology) EE2020-27
In recent years, information and communication services have continued to develop, and the power supply is one of their ... [more] EE2020-27
pp.22-26
EE, WPT, IEE-SPC 2018-07-02
10:15
Hokkaido Hokkaido University Automatic Derivation Method for Transfer Function of LLC Current Resonant Converter Using Numerical Calculation
Takuma Sagara, Masahito Shoyama (Kyushu Univ.), Yu Yonezawa, Yoshiyasu Nakashima (Fujitsu laboratories) EE2018-11
The authors previously proposed derivation method for LLC current resonant converter by using numerical calculation. Ho... [more] EE2018-11
pp.17-22
EE 2018-01-29
15:30
Oita Satellite Campus Oita [Special Talk] Building a Model-Based Development Environment for Digitally Controlled Power Supplies
Yu Yonezawa, Hiroshi Nakao, Yoshiyasu nakashima (Flab.) EE2017-62
 [more] EE2017-62
pp.115-120
EE 2018-01-30
13:35
Oita Satellite Campus Oita Failure Prediction Using Low Stability Phenomenon of Digitally Controlled SMPS by Electrolytic Capacitor ESR Degradation
Hiroshi Nakao, Yu Yonezawa, Yoshiyasu Nakashima (Fujitsu LAB), Fujio Kurokawa (NiAS) EE2017-71
Electrolytic capacitors are known as one of the highest failure rate components in switching mode power supply SMPS). We... [more] EE2017-71
pp.165-170
EE 2017-01-27
10:30
Nagasaki Nagasaki University Derivation of Transfer Function of LLC Current Resonant Converter Using Numerical Computation
Yusuke Yamashita, Jun Imaoka, Masahito Shoyama (Kyushu Univ.), Yu Yonezawa, Yoshiyasu Nakashima (Fujitsu lab) EE2016-79
 [more] EE2016-79
pp.163-168
EE 2016-01-29
13:00
Fukuoka KURUME HOTEL ESPRIT Building a Model-Based Development Environment for Digitally Controlled Power Supplies
Yu Yonezawa, Tomotake Sasaki (Fujitsu Labs.), Hisato Hosoyama, Atsushi Manabe (FATEC), Hiroshi Nakao, Takahiko Sugawara, Yoshiyasu Nakashima (Fujitsu Labs.) EE2015-23
 [more] EE2015-23
pp.85-90
EE 2016-01-29
13:20
Fukuoka KURUME HOTEL ESPRIT Anomaly Detection Technique of Duty Ratio in Switching Mode Power Supply Circuit
Takahiko Sugawara, Yu Yonezawa, Hiroshi Nakao, Yoshiyasu Nakashima (FUJITSU LAB. LTD.) EE2015-24
In this report, we suggest the technique to improve the reliability of the power supply with multiplexing an overcurrent... [more] EE2015-24
pp.91-96
EE 2014-01-23
14:45
Miyazaki MIYAZAKI KANKO HOTEL Dead-Time Controlled Digital-PSU for Server and Automatic Optimization Method of its Dead-Time Table Suitable for Mass-Production
Hisato Hosoyama (FUJITSU Advanced Technologies), Yu Yonezawa (FUJITSU LAB), Atsushi Manabe (FUJITSU Advanced Technologies), Tomotake Sasaki, Yoshinobu Matsui (FUJITSU LAB) EE2013-34
To produce the high efficiency power supply for the server, the authors applied a dead-time control method with a digita... [more] EE2013-34
pp.19-23
EE 2014-01-24
13:25
Miyazaki MIYAZAKI KANKO HOTEL Efficiency Improvement of Switching Power Supply with Transient Current Circuit Using Digital Control
Haruomi Takashita, Masahito Shoyama (Kyushu Univ), Yu Yonezawa, Yoshiyasu Nakashima (Fujitsu Lab) EE2013-46
The more Miniaturization of switching power supplies is required with the background of the annual miniaturization of el... [more] EE2013-46
pp.91-96
ICD, ITE-IST 2012-07-26
10:20
Yamagata Yamagata University [Invited Talk] Technology trend of high efficiency power supply
Yoshiyasu Nakashima, Hiroshi Nakao, Yu Yonezawa, Takahiko Sugawara, Takeshi Horie (FUJITSU LABO) ICD2012-20
Recently, rapid increase of energy consumption used in large scale data centers becomes serious problem and energy savin... [more] ICD2012-20
pp.7-11
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