This inventor holds 1 USPTO granted patent. Top assignee: Niterra 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: Sumio Ota and His Ceramic Holding Device Patent
Introduction
Sumio Ota is an inventor associated with Nagoya, Japan, and Niterra Co., Ltd. His patent work includes a ceramic holding device designed to hold an object while providing a gas flow path through its substrate.
Latest Patents
Ota is credited with 1 patent: “Holding device.” The invention features a ceramic substrate with a plate-shaped member and a surface for holding an object. A gas flow path runs through the substrate and includes a porous region made from a gas-permeable ceramic body.
The porous body contains pores in two size ranges: large-diameter pores with median particle diameters greater than 20 μm and up to 55 μm, and small-diameter pores with median particle diameters from 3 μm to 20 μm. The volume percentage of large-diameter pores exceeds that of small-diameter pores.
Career Highlights
Ota’s listed patent reflects work on ceramic components and gas-flow structures for holding applications. His association with Niterra Co., Ltd. connects his inventive activity with a company known for ceramic technologies.
Collaborations
Ota’s listed coworkers include Shun Usui and Takumi Sanari.
Conclusion
Sumio Ota’s patent describes a ceramic holding device that combines a substrate, a gas flow path, and a carefully specified porous structure.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile