Shigeki Umemura - Articles - Scientific Research Publishing

Unusual spontaneous improvement in Asian variant of intravascular large B-cell lymphoma (Articles)

Takashi Ninomiya, Toru Nakamura, Nobuharu Fujii, Akio Hiraki, Shigeki Umemura, Hiromichi Yamane, Atsuko Shirakawa, Haruhito Kamei

Open Journal of Internal Medicine Vol.2 No.1，March 28, 2012

DOI: 10.4236/ojim.2012.21004 3,915 Downloads 6,377 Views Citations
Mechanism of the Large Surface Deformation Caused by Rayleigh-Taylor Instability at Large Atwood Number (Articles)

Yikai Li, Akira Umemura

Journal of Applied Mathematics and Physics Vol.2 No.10，September 30, 2014

DOI: 10.4236/jamp.2014.210110 2,920 Downloads 3,871 Views Citations
The Novel Current Control for Virtual Synchronous Generator (Articles)

Atsushi Umemura, Rion Takahashi, Junji Tamura

Journal of Power and Energy Engineering Vol.8 No.2，February 28, 2020

DOI: 10.4236/jpee.2020.82004 788 Downloads 2,022 Views Citations
A Study of Discrete-Time Optimum Current Controller for the Virtual Synchronous Generator under Constraints (Articles)

Atushi Umemura, Rion Takahashi, Junji Tamura

Smart Grid and Renewable Energy Vol.11 No.1，January 27, 2020

DOI: 10.4236/sgre.2020.111001 683 Downloads 1,365 Views Citations
Stability Enhancement of Small-Scale Power Grid with Renewable Power Sources by Variable Speed Diesel Power Plant* (Articles)

Rion Takahashi, Atsushi Umemura, Junji Tamura

Journal of Power and Energy Engineering Vol.8 No.3，March 25, 2020

DOI: 10.4236/jpee.2020.83001 718 Downloads 1,745 Views Citations
Enhancement in Thermal Stability of Polyoxymethylene (POM)-Based Biopolymer Blend Materials (Articles)

Jitlada Boonlertsamut, Supaphorn Thumsorn, Toshikazu Umemura, Hiroyuki Hamada, Atsushi Sakuma

Journal of Materials Science and Chemical Engineering Vol.7 No.7，July 23, 2019

DOI: 10.4236/msce.2019.77008 881 Downloads 2,180 Views Citations
Engineering of Carbonate Apatite Bone Substitute Based on Composition-Transformation of Gypsum and Calcium Hydroxide (Articles)

Ika D. Ana, Shigeki Matsuya, Kunio Ishikawa

Engineering Vol.2 No.5，May 31, 2010

DOI: 10.4236/eng.2010.25045 8,121 Downloads 14,007 Views Citations
Carbohydrate analysis by methanolysis method and application to compositional analysis of transparent exopolymer particles (Articles)

Shigeki Wada, Kazuo Iseki, Takeo Hama

Advances in Bioscience and Biotechnology Vol.4 No.9A，September 11, 2013

DOI: 10.4236/abb.2013.49A002 6,045 Downloads 9,121 Views Citations
This article belongs to the Special Issue on Carbohydrate
Diameter Measurements of the Upper Parts of Trees Using an Ultra-Telephoto Digital Photography System (Articles)

Akira Shimizu, Shigeki Yamada, Yuichiro Arita

Open Journal of Forestry Vol.4 No.4，July 11, 2014

DOI: 10.4236/ojf.2014.44038 4,049 Downloads 5,256 Views Citations
Efficient Cooling System Using Electrocaloric Effect (Articles)

Shigeki Hirasawa, Tsuyoshi Kawanami, Katsuaki Shirai

Journal of Electronics Cooling and Thermal Control Vol.6 No.2，June 16, 2016

DOI: 10.4236/jectc.2016.62007 2,580 Downloads 4,599 Views Citations
RETRACTED: Recognizing Student’s Learning-Centered Affective States in Conversation with Intelligent Multimodal Analytics (Articles)

Shimeng Peng, Shigeki Ohira, Katashi Nagao

Creative Education Vol.11 No.9，September 18, 2020

DOI: 10.4236/ce.2020.119124 322 Downloads 982 Views Citations
Factors affecting early decline of executive function after subthalamic nucleus stimulation in Parkinson’s disease (Articles)

Atsushi Umemura, Yuichi Oka, Rika Tsuboi, Sonoko Fujii, Yoko Shimizu, Kenji Okita, Noriyuki Matsukawa, Kazuo Yamada

Advances in Parkinson's Disease Vol.2 No.3，July 19, 2013

DOI: 10.4236/apd.2013.23015 3,606 Downloads 6,291 Views Citations
Five-Year Outcomes of Bilateral Subthalamic Nucleus Stimulation in Japanese Patients with Parkinson’s Disease (Articles)

Atsushi Umemura, Miwako Miyata, Yuichi Oka, Kenji Okita, Genko Oyama, Yasushi Shimo, Nobutaka Hattori

Advances in Parkinson's Disease Vol.4 No.2，April 10, 2015

DOI: 10.4236/apd.2015.42004 4,018 Downloads 5,687 Views Citations
Frequency Control of Power System with Solar and Wind Power Stations by Using Frequency Band Control and Deadband Control of HVDC Interconnection Line (Articles)

Kimiko Tada, Takamasa Sato, Atsushi Umemura, Rion Takahashi, Junji Tamura, Yoshiharu Matsumura, Tsukasa Taguchi, Akira Yamada

Journal of Power and Energy Engineering Vol.6 No.9，September 25, 2018

DOI: 10.4236/jpee.2018.69007 1,064 Downloads 3,594 Views Citations
Stabilization of Wind Farm by Using PMSG Based Wind Generator Taking Grid Codes into Consideration (Articles)

Md. Rifat Hazari, Mohammad Abdul Mannan, Atsushi Umemura, Rion Takahashi, Junji Tamura

Journal of Power and Energy Engineering Vol.6 No.11，November 26, 2018

DOI: 10.4236/jpee.2018.611004 1,388 Downloads 2,799 Views Citations
Frequency Control of Power System with Renewable Power Sources by HVDC Interconnection Line and Battery Considering Energy Balancing (Articles)

Shoyu Onuka, Atsushi Umemura, Rion Takahashi, Junji Tamura, Atsushi Sakahara, Fumihito Tosaka, Ryosuke Nakamoto

Journal of Power and Energy Engineering Vol.8 No.4，April 21, 2020

DOI: 10.4236/jpee.2020.84002 907 Downloads 2,413 Views Citations
Poly (ethylene terephthalate) synthesis with catalysts derived from chrysotile asbestos (Articles)

Shigeki Habaue, Yusuke Takahashi, Yu Hosogoe, Hiroshi Yamashita, Meisetsu Kajiwara

Natural Science Vol.2 No.6，July 1, 2010

DOI: 10.4236/ns.2010.26070 8,816 Downloads 18,045 Views Citations
Oxidative coupling polymerization of p-alkoxyphenols with Mn(acac)2-ethylenediamine catalysts (Articles)

Soichiro Murakami, Yuuta Akutsu, Shigeki Habaue, Osamu Haba, Hideyuki Higashimura

Natural Science Vol.2 No.8，August 25, 2010

DOI: 10.4236/ns.2010.28101 7,014 Downloads 14,236 Views Citations
Subjective symptoms related to depression and suicidal risk in a Japanese community: a cross-sectional study (Articles)

Shigeki Takemura, Kouichi Yoshimasu, Jin Fukumoto, Hiroichi Yamamoto, Kazuhisa Miyashita

Open Journal of Psychiatry Vol.1 No.2，July 12, 2011

DOI: 10.4236/ojpsych.2011.12007 5,013 Downloads 9,890 Views Citations
Reliability and Sex Differences in the Foot Pressure Load Balance Test and Its Relationship to Physical Characteristics in Preschool Children (Articles)

Shigeki Matsuda, Shinichi Demura, Kosho Kasuga, Hiroki Sugiura

Advances in Physical Education Vol.2 No.2，May 14, 2012

DOI: 10.4236/ape.2012.22008 4,846 Downloads 9,101 Views Citations

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