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Publication


Featured researches published by Shota Oba.


Journal of Visualization | 2003

PIV Measurement of Toner Particle Motion in a Micro-gap in the Development Process of Electrophotography

Nobuyuki Hirooka; Shota Oba; Nobuyuki Nakayama; Masaaki Kawahashi; Masafumi Watanabe

AbsractIn the development process of electrophotography, charged dielectric toner particles move in a micro-gap between the photoreceptor and the development roller to form images by the action of electrostatic force. To improve image quality, it is important to clarify the toner particle motion and the effects of the electric field on this motion. In the present study, Particle Image Velocimetry (PIV) was applied to measure the toner particle motion and the results were compared to calculated results. It was confirmed that the toner velocity increased with increasing electric field intensity, and that the measurement results agreed with the calculated results. These results indicated the usefulness of PIV in analyzing toner particle motion in the development process.


Archive | 2000

Image display medium, image-forming method and image-forming apparatus capable of repetitive writing on the image display medium

Yoshiro Yamaguchi; Yoshinori Machida; Kiyoshi Shigehiro; Nobuyuki Nakayama; Shota Oba; Motohiko Sakamaki; Minoru Koshimizu; Takeo Kakinuma


Archive | 2000

Image display medium, image forming method and image forming device

Takeo Kakinuma; Minoru Koshimizu; Yoshinori Machida; Nobuyuki Nakayama; Shota Oba; Motohiko Sakamaki; Kiyoshi Shigehiro; Yoshiro Yamaguchi; 信行 中山; 正太 大場; 実 小清水; 善郎 山口; 武夫 柿沼; 義則 町田; 元彦 酒巻; 清 重廣


Archive | 2001

Picture display device, picture display medium and picture display control device

Kazunaga Horiuchi; Yoshinori Machida; Takeshi Matsunaga; Nobuyuki Nakayama; Shota Oba; Motohiko Sakamaki; Kiyoshi Shigehiro; Yoshiro Yamaguchi; 信行 中山; 一永 堀内; 正太 大場; 善郎 山口; 健 松永; 義則 町田; 元彦 酒巻; 清 重廣


Archive | 2001

Method of manufacturing image display medium, and image display medium

Motohiko Sakamaki; Yasufumi Suwabe; Kiyoshi Shigehiro; Yoshinori Machida; Takeshi Matsunaga; Yoshiro Yamaguchi; Takeo Kakinuma; Minoru Koshimizu; Shota Oba; Nobuyuki Nakayama


Archive | 2000

Image display medium, device and method

Yoshiro Yamaguchi; Kiyoshi Shigehiro; Motohiko Sakamaki; Shota Oba; Nobuyuki Nakayama; Kazunaga Horiuchi; Takeshi Matsunaga


Archive | 2000

Image displaying medium containing at least two kinds of particles having different colors and different characteristics, method for displaying image using same and image displaying apparatus including same

Shota Oba; Kiyoshi Shigehiro; Yoshinori Machida; Nobuyuki Nakayama; Yoshiro Yamaguchi; Motohiko Sakamaki; Minoru Koshimizu; Takeo Kakinuma


Archive | 2001

DEVELOPING UNIT AND IMAGE FORMING APPARATUS USING THE SAME

Akihiko Noda; Shota Oba; Masaaki Yamaura


Archive | 2000

Image display medium, image-forming method, image-forming apparatus and initializer

Kiyoshi Shigehiro; Yoshiro Yamaguchi; Yoshinori Machida; Nobuyuki Nakayama; Shota Oba; Motohiko Sakamaki; Minoru Koshimizu; Takeo Kakinuma


Archive | 2000

Method for manufacturing image displaying medium

Motohiko Sakamaki; Kiyoshi Shigehiro; Yoshiro Yamaguchi; Shota Oba; Nobuyuki Nakayama; Yoshinori Machida; Minoru Koshimizu; Takeo Kakinuma

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