Yoshiharu Konya

Electrostatic image developer

Spherical silica particles and method of production

Method of producing spherical silica powder

Method for the preparation of a dehydrated quartz glass material for light transmission

Fluidized bed reactor for preparing metal nitride

Hydrophobic silica fine powder and making method

Spherical silica fine particle and its manufacturing method

Fine spherical particle of silica-containing compound oxide and its producing method

Preparation of high alpha-type silicon nitride powder

Homogeneous, halogen-free, spherical silica-containing mixed oxide particles useful as refractive index modifiers, are obtained from halogen-free siloxanes and non-silicon organometallic compounds