Kiyonori Tokuno

Titanium hardly generating color change in atmospheric environment and manufacturing method therefor

Titanium material for solid polymer fuel cell separator, and process for production thereof

Titanium material having low contact resistance for use in separator for solid polymer-type fuel cell and process for producing the titanium material

Pure titanium or titanium alloy separator for solid polymer fuel cell and method for producing the same

Titanium material for solid polymer fuel cell separator of low contact resistance and low ion elution property and its manufacturing method, separator made by using this titanium material, and solid polymer fuel cell made by using this separator

Titanium alloy material for solid polymer type fuel cell separator having low contact resistance, its production method and solid polymer type fuel cell separator using the titanium alloy material

Cleaning agent and cleaning method for ridding titanium and titanium alloy building materials of discoloration

Titanium resistant to discoloration in atmospheric environment and process of production of same

Titanium-based material responsive to visible light and having excellent photocatalytic activity, and process for producing same

Discoloration removal cleaning agent for titanium and titanium alloy building materials, and discoloration removal cleaning method