This inventor holds 1 USPTO granted patent. Top assignee: Kuraray Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Mitsuharu Uesaka: Inventor of a Full-Grain Leather-Like Sheet.
Introduction
Mitsuharu Uesaka is an inventor associated with Kuraray Co., Ltd. in Okayama, Japan. His patent work includes a leather-like sheet designed to combine a grain-finished appearance with specified surface properties.
Latest Patents
Uesaka is credited with 1 patent, titled “Full-grain leather-like sheet.” The invention describes a grain-finished leather-like sheet with a fiber substrate and a resin layer stacked on one side. The resin layer includes a skin layer containing polyurethane, a nonionic compound with an HLB value of 10 to 16, and a water-soluble polymer. The skin layer is specified to have polar and dispersive components of surface free energy within stated ranges, analyzed using the OWRK method.
Career Highlights
Uesaka’s listed patent reflects work on material design, particularly the composition and surface characteristics of leather-like sheets. His company affiliation connects this work with Kuraray Co., Ltd.
Collaborations
Uesaka’s listed coworkers include Masato Warita and Yohei Takatori.
Conclusion
Mitsuharu Uesaka’s patent focuses on engineering a grain-finished leather-like material through a defined fiber substrate, resin-layer structure, and skin-layer composition.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile