Search Results - "MURAYAMA, Masahiro"

Milliwatt-class GaN-based blue vertical-cavity surface-emitting lasers fabricated by epitaxial lateral overgrowth by Hamaguchi, Tatsushi, Fuutagawa, Noriyuki, Izumi, Shouichiro, Murayama, Masahiro, Narui, Hironobu

“…We have achieved continuous‐wave (CW) operation of gallium nitride (GaN)‐based vertical‐cavity surface‐emitting lasers (VCSELs) fabricated by epitaxial lateral…”
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Watt‐Class Green (530 nm) and Blue (465 nm) Laser Diodes by Murayama, Masahiro, Nakayama, Yusuke, Yamazaki, Kenji, Hoshina, Yukio, Watanabe, Hideki, Fuutagawa, Noriyuki, Kawanishi, Hidekazu, Uemura, Toshiya, Narui, Hironobu

“…In this research, watt‐class green and blue laser diodes, which are fabricated on free‐standing semipolar {202¯1} GaN and conventional c‐plane GaN substrates,…”
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Gallium nitride-based resonant tunneling diode oscillators by Murayama, Masahiro, Motobayashi, Hisayoshi, Hoshina, Yukio, Shoji, Miwako, Takiguchi, Yoshiro, Miyahara, Hiroyuki, Koyama, Takahiro, Futagawa, Noriyuki

“…We demonstrated GaN-based resonant tunneling diode (RTD) oscillators employing monolithic microwave integrated circuits. The GaN-based RTDs with a GaN quantum…”
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Material design of new lithium ionic conductor, thio-LISICON, in the Li2S–P2S5 system by Murayama, Masahiro, Sonoyama, Noriyuki, Yamada, Atsuo, Kanno, Ryoji

“…A new lithium ionic conductor of the thio-LISICON (LIthium SuperIonic CONductor) family was found in the binary Li2S-P2S5 system; the new solid solution with…”
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Synthesis of New Lithium Ionic Conductor Thio-LISICON—Lithium Silicon Sulfides System by Murayama, Masahiro, Kanno, Ryoji, Irie, Michihiko, Ito, Shinya, Hata, Takayuki, Sonoyama, Noriyuki, Kawamoto, Yoji

“…The new lithium ionic conductors, thio-LISICON (LIthium SuperIonic CONductor), were found in the ternary Li 2S–SiS 2–Al 2S 3 and Li 2S–SiS 2–P 2S 5 systems…”
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Three-month exercise and weight loss program improves heart rate recovery in obese persons along with cardiopulmonary function by Nagashima, Junzo, MD, PhD, FJCC, Musha, Haruki, MD, PhD, FJCC, Takada, Hideomi, MD, PhD, FJCC, Takagi, Kumiko, Mita, Toshiharu, Mochida, Takashi, Yoshihisa, Takeshi, Imagawa, Yasushi, Matsumoto, Naoki, MD, PhD, Ishige, Narumi, MD, PhD, Fujimaki, Rikiya, MD, PhD, Nakajima, Hiroyuki, MD, PhD, Murayama, Masahiro, MD, PhD, FJCC

“…Summary Objective Heart rate recovery (HRR) after exercise is an independent risk factor for cardiovascular disease and mortality, and it is well known to be…”
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New upper limit of physiologic cardiac hypertrophy in Japanese participants in the 100-km ultramarathon by Nagashima, Junzo, Musha, Haruki, Takada, Hideomi, Murayama, Masahiro

“…The goal of our study was to define the structural characteristics of the heart in Japanese 100-km ultramarathon runners. During screening of participants in a…”
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Dynamic component of sports is an important determinant factor of heart rate recovery by Nagashima, Junzo, MD, PhD, FJCC, Matsumoto, Naoki, MD, PhD, Takagi, Akihiko, MD, PhD, Musha, Haruki, MD, PhD, FJCC, Chikaraishi, Kaori, MT, Sagehashi, Mami, MT, Nakagawa, Risa, MT, Ishige, Narumi, MD, PhD, Fujimaki, Rikiya, MD, PhD, Akaike, Atushi, MD, PhD, Seo, Ririko, MD, PhD, Aoki, Haruhito, MD, PhD, Murayama, Masahiro, MD, PhD, FJCC

“…Summary Objective It is usually suggested that life expectancy of top athletes especially in endurance sports is longer than that of sedentary people. On the…”
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Regions of Arterial Stenosis and Clinical Factors Determining Transcutaneous Oxygen Tension in Patients with Peripheral Arterial Disease by Ueno, Hiroki, Fukumoto, Shinya, Koyama, Hidenori, Tanaka, Shinji, Maeno, Takaaki, Murayama, Masahiro, Otsuka, Yoshiko, Mima, Yohei, Kawaguchi, Yuji, Shoji, Tetsuo, Inaba, Masaaki, Nishizawa, Yoshiki

“…Aims: Despite the clinical usefulness of transcutaneous oxygen tension (TcPO2) to assess the severity of limb ischemia, the factors determining TcPO2 in…”
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Influence of Physical Fitness and Smoking on the Coagulation System in Hypertensive Patients: Effect on Prothrombin Fragment F1+2 by Nagashima, Junzo, Musha, Haruki, Takada, Hideomi, Matsumoto, Naoki, Fujimaki, Rikiya, Ishige, Narumi, Aono, Jiro, Murayama, Masahiro

“…Object Recently, prothrombin fragment F1+2 was shown to be a sensitive direct marker of thrombin formation. We examined the effect of lifestyle (including…”
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Evaluation of Migration Energy of Lithium Ions in Chalcogenides and Halides by First Principles Calculation by Koyama, Yukinori, Yamada, Yasuhiro, Tanaka, Isao, Nishitani, Shigeto R., Adachi, Hirohiko, Murayama, Masahiro, Kanno, Ryoji

“…Migration energies of Li ion in Li3N, Li2X (X=O, S, Se, and Te) and LiX (X=F, Cl, Br, I) via vacancy mechanism have been calculated by first principles…”
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A randomized trial of aspirin versus cilostazol therapy after successful coronary stent implantation by Kunishima, Tomoyuki, Musha, Haruki, Eto, Fumihiko, Iwasaki, Tatsuya, Nagashima, Junzo, Masui, Yoshihiro, So, Takehiko, Nakamura, Toshika, Oohama, Nagatoshi, Murayama, Masahiro

“…Percutaneous transluminal coronary angioplasty (PTCA) is widely used to treat patients with ischemic heart disease, but the procedure involves a number of…”
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Natural course of combined limb and palatal tremor caused by cerebellar-brain stem infarction by Yanagisawa, Toshiyuki, Sugihara, Hiroshi, Shibahara, Kimiaki, Kamo, Tsutomu, Fujisawa, Kohshiro, Murayama, Masahiro

“…After infarction of the left superior cerebellar peduncle and dentate nucleus, a patient developed tremor of the left upper limb beginning on the twelfth day…”
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Electron Spin Flip by Antiferromagnetic Coupling between Semiconductor Quantum Dots by Tackeuchi, Atsushi, Kuroda, Takamasa, Nakata, Yoshiaki, Murayama, Masahiro, Kitamura, Takamitsu, Yokoyama, Naoki

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Influence of angiotensin‐converting enzyme gene polymorphism on development of athlete's heart by Nagashima, Junzo, Musha, Haruki, Takada, Hideomi, Awaya, Toru, Oba, Haruo, Mori, Narumi, Ohmiya, Kazuto, Nobuoka, Sachihiko, Murayama, Masahiro

“…Background and hypothesis: Genetic influence on development of athlete's heart is uncertain. This study investigated whether angiotensin‐converting enzyme…”
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Glomerular proliferating cell kinetics in acute post-streptococcal glomerulonephritis (APSGN) by Oda, Takashi, Yoshizawa, Nobuyuki, Takeuchi, Akihiko, Nakabayashi, Iwao, Nishiyama, Junichiro, Ishida, Aki, Tazawa, Keiji, Murayama, Masahiro, Hotta, Osamu, Taguma, Yoshio

“…To investigate the time sequence of glomerular cell proliferation in acute human glomerulonephritis, renal biopsy tissues were examined from 15 acute…”
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Effect of angiotensin‐converting enzyme gene polymorphism on left ventricular remodeling after anteroseptal infarction by Nagashima, Junzo, Kunishima, Tomoyuki, Nobuoka, Sachihiko, Murayama, Masahiro, Musha, Haruki, So, Takehiko

“…Background and hypothesis: Genetic influence on cardiac remodeling is uncertain. The purpose of this study is to determine the effects of polymorphism of the…”
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Magnesium Dynamics and Sympathetic Nervous System Activity in Patients With Chronic Heart Failure by Samejima, Hisanori, Tanabe, Kazuhiko, Suzuki, Noriyuki, Omiya, Kazuto, Murayama, Masahiro

“…This study was undertaken in patients with heart failure to investigate the relation between plasma norepinephrine (NE) concentration and Mg dynamics. The…”
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Alterations in echocardiographic and electrocardiographic features in Japanese professional soccer players: comparison to African-Caucasian ethnicities by Kervio, Gaëlle, Pelliccia, Antonio, Nagashima, Junzo, Wilson, Mathew G, Gauthier, Jean, Murayama, Masahiro, Uzan, Laurent, Ville, Nathalie, Carré, François

“…Background:Scarce data are available regarding the electrocardiographic (ECG) and echocardiographic changes in athletes of Asian origin. Design:We investigate…”
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Watt-Class Green Laser Diodes on Semipolar Gallium Nitride Substrates by Murayama, Masahiro, Nakayama, Yusuke, Watanabe, Hideki, Fuutagawa, Noriyuki, Kawanishi, Hidekazu, Uemura, Toshiya, Narui, Hironobu

“…High-power green laser diodes were successfully fabricated on semipolar {20-21} GaN substrates with a maximum output power of more than 2 W. Semipolar {20-21}…”
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