This inventor holds 1 USPTO granted patent. Top assignee: Seco Tools Ab. 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: Jesper Stjernberg and Cutting-Tool Innovation.
Introduction
Jesper Stjernberg is an inventor associated with Fagersta, Sweden, and Seco Tools AB. His patent work focuses on cutting-tool materials designed for demanding machining applications.
Latest Patents
The provided information lists one patent for Stjernberg. The invention, titled “Cutting tool,” describes a cemented-carbide insert intended to combine high toughness with suitable hardness for cutting hardened steel and cast iron.
The substrate contains tungsten carbide (WC) hard constituents and a cobalt (Co) binder phase, along with chromium (Cr) and at least one additional element from vanadium (V), niobium (Nb), molybdenum (Mo), or iron (Fe). The specified composition includes 3.50–4.20 wt% cobalt, 0.31–0.38 wt% chromium, and at least 95.22 wt% tungsten carbide. The cemented carbide also has a coercivity of 26–32 kA/m. Stjernberg’s listed portfolio comprises 1 patent.
Career Highlights
Stjernberg’s documented patent contribution addresses the material composition and performance of cutting-tool inserts. The invention’s stated goal is to support demanding cutting operations in hardened steel and cast iron.
Collaborations
The provided information associates Stjernberg with Seco Tools AB. No additional collaborators are identified in the supplied details.
Conclusion
Jesper Stjernberg’s listed invention reflects a focused contribution to cutting-tool technology, with a cemented-carbide composition designed to balance hardness and toughness for challenging machining tasks.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile