A
Akira c
Researcher at Hitachi
Publications - 310
Citations - 2300
Akira c is an academic researcher from Hitachi. The author has contributed to research in topics: Signal & Layer (electronics). The author has an hindex of 26, co-authored 310 publications receiving 2300 citations. Previous affiliations of Akira c include Shin-Etsu Chemical.
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Patent
Semiconductor light-emitting element and method of manufacturing the same
Yasuhiko c,o Kabushiki Kaisha Toshiba Akaike,Koji c,o Kabushiki Kaisha Toshiba Asakawa,Katsumi c,o Kabushiki Kaisha Toshiba Egashira,Akira c,o Kabushiki Kaisha Toshiba Fujimoto,Kenichi c,o Kabushiki Kaisha Toshiba Ohashi,Hitoshi c,o Kabushiki Kaisha Toshiba Sugiyama,Shoichi c,o Kabushiki Kaisha Toshiba Washizuka,Atsuko c,o Kabushiki Kaisha Toshiba Yamashita,Shunji c,o Kabushiki Kaisha Toshiba Yoshitake +17 more
TL;DR: In this paper, a light-emitting element is provided with a light extracting surface which is constituted by a finely recessed/projected surface, 90% of which is constructed such that the height of the projected portion having a cone-like configuration is 100 nm or more, and the width of the base of projected portion is within the range of 10-500 nm.
Patent
Data communications system
TL;DR: In this paper, a transmitting side relay device (110) comprises additional information generation means (111) for generating additional information about the characteristics of a data stream, packet generation means for generating a packet by attaching additional information to each transfer unit and transmission means for transmitting the packet to the third network according to prescribed procedures.
Patent
Phase difference measuring apparatus and mass flowmeter thereof
TL;DR: In this article, a phase difference measuring apparatus for measuring the phase difference (fine time discrepancy) of two signals with the same frequency with a reduced number of bits for A/D conversion is discussed.
Patent
Recorded information reproducing device
Tatsushi c,o Pioneer Electronic Corp. Iizuka,Toshiyuki c,o Pioneer Electronic Corp. Katsu,Akira c,o Pioneer Electronic Corp. Kikuchi,Noboru c,o Pioneer Electronic Corp. Nakamaru,Masaharu c,o Pioneer Electronic Corp. Sakamoto,Shinji c,o Pioneer Electronic Corp. Suzuki +11 more
TL;DR: In this article, the authors describe a recorded information reproducing device for karaoke devices that reproduces sound information recorded on an information recording medium such as a CD (Compact Disk), LVD (laser Video Disk) or the like according to the MIDI (Musical Instrument Digital Interface) standards.
Patent
Laser-based maintenance apparatus
Makoto c,Yoshiaki c,Takahiro c,Mitsuaki c,Masaki c,Hidehiko c,Chida Itaru,Fukashi c,Satoshi c,Kentaro c,Ryoichi c,Masahiro c,Tetsuo c,Toru c,Akira c +14 more
TL;DR: In this article, the authors describe a laser maintenance system including a laser system which includes an optical system for emitting, in a first irradiation condition, a generation laser beam for generating an ultrasonic wave in a portion of an object on which maintenance is to be performed.