Network


Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot


Dive into the research topics where Takeaki Nakamura is active.

Publication


Featured researches published by Takeaki Nakamura.


Modern Physics Letters B | 2007

GROWTH OF GdBa2Cu3Oy FILMS PREPARED BY BaF2 PROCESS WITHOUT WATER VAPOR

Ryusuke Kita; Takeaki Nakamura; A. Ichinose; Osuke Miura; Kaname Matsumoto; Yuki Yoshida; Masashi Mukaida; Shigeru Horii

We have investigated the influences of the heating rate and film thickness on the growth of GdBa2Cu3Oy (GBCO) thin films prepared by the BaF2ex-situ process without water vapor. Critical current density (Jc) and surface morphology of the GBCO films were improved by increasing the heating rate during growth from 30 to 50°C/min. The GBCO films prepared by the heating rate of 50°C/min had the maximum Jc of 2.1 MA/cm2. The Jc value of the GBCO films was about 2 MA/cm2 up to 200 nm, and decreased to 0.92 MA/cm2 at 400 nm.


Archive | 1988

Imaging apparatus having illumination means

Hisao Yabe; Kenji Kimura; Masahide Kanno; Kiyoshi Tsuji; Jun Yoshinaga; Takeshi Yokoi; Kazuhiko Ozeki; Shinichi Nishigaki; Takeaki Nakamura; Yoshikazu Tojo; Hiromasa Suzuki


Archive | 1983

An optical system focus-state detector

Yoshio Shishido; Susumu Takahashi; Atsushi Miyazaki; Kazumasa Matsuo; Shinichi Nishigaki; Shinichi Kato; Takeaki Nakamura; Akibumi Ishikawa


Archive | 1987

Apparatus for photometrically detecting an optically focused condition of an optical system

Yoshio Shishido; Susumu Takahashi; Kazumasa Matsuo; Atsushi Miyazaki; Shinichi Nishigaki; Shinichi Kato; Takeaki Nakamura; Akibumi Ishikawa


Archive | 1983

Propelling apparatus in endoscope

Mikio Utsuki; Osamu Komiya; Tsutomu Yamamoto; Mototsugu Ogawa; Takeaki Nakamura; Akifumi Ishikawa


Archive | 1983

FOCUS STATE DETECTOR

Shinichi Nishigaki; Kazumasa Matsuo; Atsushi Miyazaki; Yoshio Shishido; Shinichi Kato; Susumu Takahashi; Takeaki Nakamura; Akibumi Ishikawa


Archive | 1985

ENDOSCOPE USING SOLID-STATE IMAGE PICKUP DEVICE

Yuji Ikuno; Masaru Konomura; Atsushi Miyazaki; Takeaki Nakamura; Kazutake Sugawara; Masato Toda; Hisao Yabe; Tsutomu Yamamoto


Archive | 1983

Advance and retraction guide apparatus of endoscope

Mikio Utsuki; Osamu Komiya; Tsutomu Yamamoto; Mototsugu Ogawa; Takeaki Nakamura; Akifumi Ishikawa


Archive | 1986

Through endoscope television system

Hiroyuki Furuhata; Yuji Ikuno; Katsuyuki Kanehira; Taketo Kawasaki; Kunio Kinoshita; Osamu Komiya; Takeaki Nakamura; Mototsugu Ogawa; Koji Tanigawa


Archive | 1983

ENDOSCOPE FOCUS STATE DETECTORS

Yoshio Shishido; Kazumasa Matsuo; Atsushi Miyazaki; Shinichi Nishigaki; Shinichi Kato; Susumu Takahashi; Takeaki Nakamura; Akibumi Ishikawa

Collaboration


Dive into the Takeaki Nakamura's collaboration.

Top Co-Authors

Avatar
Top Co-Authors

Avatar

Osuke Miura

Tokyo Metropolitan University

View shared research outputs
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar

Kaname Matsumoto

Kyushu Institute of Technology

View shared research outputs
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Researchain Logo
Decentralizing Knowledge