This inventor holds 1 USPTO granted patent. Top assignee: Sumitomo Electric Hardmetal Corp.. 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: Kihiro Momotani and His Cutting-Tool Patent.
Introduction
Kihiro Momotani is an inventor associated with Itami, Japan, and Sumitomo Electric Hardmetal Corp. His recorded patent focuses on a coated cutting tool designed with carefully specified material layers and compositions.
Latest Patents
Momotani is associated with 1 patent, titled “Cutting tool.” The invention describes a tool comprising a substrate and a coating film with two layers. The first layer has a multilayer structure made of TiAlBN and TiN unit layers, with specified compositional ranges. The second layer is composed of TiCN and includes two regions with different average carbon percentages relative to the combined carbon and nitrogen content. These defined structures and ranges characterize the coating described in the patent.
Career Highlights
The available information connects Momotani’s patent work with Sumitomo Electric Hardmetal Corp., a company associated with cutting tools and hardmetal products. His recorded invention addresses the composition and structure of a coating film for a cutting tool.
Collaborations
Yuta Suzuki and Daiji Tabayashi are identified as Momotani’s coworkers. The provided information does not specify their roles in the patent or whether they collaborated on this invention.
Conclusion
Kihiro Momotani’s recorded patent presents a layered coating design for a cutting tool, with defined material compositions and regional carbon-content ranges.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile