Takuya Ueno

Title: Takuya Ueno’s Patents in Fluororesin Composites.

Introduction

Takuya Ueno is an inventor associated with Osaka, Japan, and Osaka Gas Company Limited. His patent work focuses on strengthening fluororesin composites and improving their wear resistance. The supplied information lists 2 patents.

Latest Patents

Ueno’s listed patents describe ways to reinforce fluororesins, such as polytetrafluoroethylene, with carbon-based fibers.

“Method of Producing Graphite Fiber-Reinforced Fluororesin Composites” describes a composite containing 40 to 99 parts by weight of fluororesin and 1 to 60 parts by weight of graphite fiber. The graphite fiber is characterized by a specified surface area and surface chemistry, including oxygen and halogen ratios measured through X-ray photoelectron spectroscopy. The patent explains that oxidation, halogenation, or both can be used to prepare the fiber. These properties are intended to help the composite achieve high mechanical strength and wear resistance.

“Fluororesin Composites” describes a fluororesin reinforced with carbon fiber whose crystallite dimensions and interplanar spacing fall within specified ranges. The patent also outlines a process for producing the fiber by heat-treating a previously stabilized precursor in an inert gas containing a controlled amount of oxygen-containing gas. The resulting composite is designed to combine mechanical strength with wear resistance.

Career Highlights

The available patent information highlights Ueno’s work on material composition and fiber processing. Both inventions address the challenge of improving the performance of fluororesins through carefully specified carbon-fiber properties and manufacturing conditions.

Collaborations

Ueno’s listed company affiliation is Osaka Gas Company Limited. The supplied information also names Masayuki Inamori and Hirofumi Kyutoku as coworkers, though it does not specify their roles in the patents.

Conclusion

Takuya Ueno’s two listed patents focus on carbon-fiber-reinforced fluororesins, with the goal of improving strength and wear resistance through material design and controlled fiber treatment.