Hideki Nakata
Panasonic
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Publication
Featured researches published by Hideki Nakata.
Materials Science Forum | 2015
Otto Kreutzer; Martin März; Hideki Nakata
This Paper describes a non-isolated bidirectional full SiC 800V 200kW DCDC-converter power stage for electric and hybrid vehicles that reaches a power density of more than 100 kW/dm3 at a switching frequency of 200 kHz. The high power density is achieved by the use of SiC-MOSFETs sintered on custom made Si3N4 DCB-substrates controlled by custom made extremely flat drivers and a resulting very low inductive DC-link connection. All passive components like inductors and capacitor boards are custom made in order to keep all parasitic effects as low as possible. The power is subdivided on six interleaved phases to reduce the required capacitor ripple current capability.
Japanese Journal of Applied Physics | 2006
Hideki Nakata; Takayuki Nagata; Hironori Tomita
Smaller and thinner optical pickups are needed for portable audio-visual (AV) products and notebook personal computers (PCs). We have newly developed an ultra compact recordable optical pickup for Mini Disc (MD) that measures less than 4 mm from the disc surface to the bottom of the optical pickup, making the optical system markedly compact. We have integrated all the optical components into an objective lens actuator moving unit, while fully satisfying recording and playback performance requirements. In this paper, we propose an ultra compact optical pickup applicable to portable MD recorders.
Archive | 2004
Mitsuo Ueda; Hideki Nakata
Archive | 2007
Mitsuo Ueda; Hideki Nakata; Masanori Ogawa
Archive | 2000
Mitsuo Ueda; Kaneharu Yoshioka; Hideki Nakata; Hiroshi Hasegawa
Archive | 2004
Hideki Nakata; Mitsuo Ueda
Archive | 2005
Manabu Inoue; Satoshi Ikeda; Yasuhiro Arai; Hideki Nakata
Archive | 2004
Mitsuyuki Kiuchi; Masahiro Suzuki; Hideki Nakata; Kaneharu Yoshioka
Archive | 2005
Manabu Inoue; Satoshi Ikeda; Yasuhiro Arai; Toshikazu Nagaki; Hideki Nakata; Jumpei Hashiguchi; Fumito Kusama
Archive | 2003
Mitsuo Ueda; Hideki Nakata; Makoto Yoshida