Muraoka Hiroaki

ムラオカヒロアキ | Muraoka Hiroaki

Affiliation and department：

Research field (1)： Electronic devices and equipment

Research theme for competitive and other funds (6)：

2012 - 2015 A proposal of high-density, high -requency recording write head for perpendicular magnetic recording in the next generation
2009 - 2011 A PROSAL ON MAGNETIC RECORDING WRITE HEADS FOR THE NEXT GENERATIONS
1999 - 2000 Spin-cluster recording media for high-density magnetic recording.
1997 - 1999 Research on extremely high capacity storage systems by perpendicular hard disk drives
1995 - 1997 Basic Research on Tera-bits Spinic Data Storage

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Papers (524)：

Hitoshi Kamei, Takaki Nakamura, Hiroaki Muraoka. A Study of Restoration Method Considering TCP Characteristics during Slow-Start. IEEJ Transactions on Electronics, Information and Systems. 2022. 142. 3. 430-441
Hitoshi Kamei, Takaki Nakamura, Hiroaki Muraoka. Evaluation of Parallel Data Restoration for Metro Area Distributed Storage System with Assumption of Storage Node Restart Trend under Large-Scale Disaster. IEEJ Transactions on Electronics, Information and Systems. 2021. 141. 3. 483-493
Y. Kanai, R. Itagaki, S. J. Greaves, H. Muraoka. Micromagnetic model simulations considering write head, spin-torque oscillator, and double-layered medium altogether. IEEE Trans. on Magn. 2019. 55. 3. 3000613
S. J. Greaves, T. Kikuchi, Y. Kanai, H. Muraoka. Optimizing dual-layer recording using antiferromagnetic exchange coupling. IEEE Trans. on Magn. 2018. 54. 11. 3001805
S. Greaves, Y. Kanai, H. Muraoka. Microwave-assisted magnetic recording using a planar write head. 62nd Annual Conference on Magnetism and Magnetic Materials (2017 MMM), BQ-06, Pittsburgh, PA, U.S.A. 2017

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MISC (307)：

Micromagnetic analysis of MAMR recording head : Oscillation of small-sized STO with small external field. 2017. 117. 247. 17-22
A study on BAR for areal density and reader size in SMR system. 2017. 117. 247. 41-45
Performance improvement of iterative decoding by LLR modification using parity check information in SMR system. 2017. 117. 247. 35-40
Performance improvement of iterative decoding by LLR modification using parity check information in SMR system. 2017. 41. 34. 35-40
A study on BAR for areal density and reader size in SMR system. 2017. 41. 34. 41-45

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Books (7)：

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Lectures and oral presentations (171)：

Magnetic recording
(IEEE Magnetics Society Summer Schoool 2016)
巨大情報量と高密度ストレージの技術動向
(電子情報通信学会2015年ソサエティ大会 2015)
Thermal Stability of Bit Patterned Media
(ICMAT2015 & IUMRS-ICA Together with PGC2015 2015)
High Density Magnetic Storage: Big Data on Tiny Magnets
(Annual Meeting of the Taiwan Association for Magnetic Technology 2015)
Interactions Between Write Head Fields and Spin Torque Oscillators
(The 25th Magnetic Recording Confernce, TMRC 2014 2014)

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Committee career (21)：

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Awards (7)：

2014/09/03 - 日本磁気学会平成26年度日本磁気学会業績賞
2013/11/01 - ACIS 2013 Best Paper Award
2008/05/29 - IEC活動推進会議 IEC活動推進会議(APC)議長賞 2001年以降、IEC/TC100/TA7(民生用ストレージ)分野の国際役員(Technical Area Manager)として、ビデオ機器などのマルチメディアストレージ機器の国際規格制定のために貢献した。
2008/05/29 - IEC IEC活動推進会議(APC)議長賞
2007/11/18 - IEEE IEEE Fellow for contributions to perpendicular magnetic recording and to recording heads and media

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Association Membership(s) (4)：

映像情報メディア学会 , 日本応用磁気学会 , 電子情報通信学会 , IEEE

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