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Featured researches published by Koji Yokoi.


Advanced Materials '93#R##N#Computations, Glassy Materials, Microgravity and Non-Destructive Testing | 1994

Glass Flakes with Submicron Thickness Manufactured by the Sol-Gel Method

Toshiaki Mizuno; Kazuhiro Doushita; Koji Yokoi; K. Takemura

Glass flakes with submicron thickness were manufactured by the sol-gel process. The average thickness could be controlled from 0.15 to 1.2 microns by changing the concentration of oxides and the coating conditions. These glass flakes have sharp distribution in thickness and high stability compared with commercially available glass flakes.


Archive | 2000

Pearlescent pigment and cosmetic containing the same

Koji Yokoi; 浩司 横井


Archive | 1987

Glass fibers having low dielectric constant

Koji Yokoi; Mitsugi Yoshiyagawa; Seiichiro Manabe


Archive | 2004

Flaky particles, and cosmetic, coating material composition, resin composition and ink composition ezch containing the same

Koji Yokoi


Archive | 1998

Low-reflectance glass article and process for preparing the same

Koichiro Nakamura; Toshifumi Tsujino; Koji Yokoi


Archive | 2004

Black bright pigment, and cosmetic, coating composition, resin compostion and ink composition comprising the same

Shigeru Yanagase; Koji Yokoi; Juichi Ino; Haruki Niida


Archive | 2003

Porous metal oxide material in flake form, method for producing the same and cosmetic, coating material resin composition ink composition and paper comprising the same

Koji Yokoi


Archive | 1995

Flaky powder and cosmetic compounded therewith

Kazuhiro Doshita; Koji Yokoi; 和宏 堂下; 浩司 横井


Archive | 1986

GLASS FIBER HAVING LOW DIELECTRIC CONSTANT

Seiichiro Manabe; Koji Yokoi; Mitsugi Yoshiyagawa


Archive | 1991

Apparatus for producing flakes of glass

Toshiaki Mizuno; Takashi Yamagishi; Koji Yokoi; Kazuhiro Doushita

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