This inventor holds 1 USPTO granted patent. Top assignee: Jfe Steel Corporation. 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: Takahito Ito and Advances in Gas-Shielded Arc Welding
Introduction
Takahito Ito is an inventor associated with JFE Steel Corporation in Chiyoda-ku, Japan. His patent work addresses narrow-gap multilayer welding and the production of welded joints. The available information lists 1 patent for him.
Latest Patents
Ito’s listed patent is “Gas-shielded arc welding method, welded joint, and method for producing welded joint.” It describes joining steel materials through narrow-gap multilayer welding. The groove angle is 20° or less, and the root gap is 7 to 15 mm. The root pass is completed in one pass using ceramic backing, with a welding current of 250 to 400 A and a voltage of 25 to 45 V. The method also controls the ratio of prescribed welding heat input to root gap within a specified range of 0.32 to 0.70.
Career Highlights
Ito’s listed invention focuses on controlling welding conditions in narrow grooves to produce welded joints. The patent identifies key parameters—including groove geometry, root gap, current, voltage, and heat input—that define the disclosed method. Ito is associated with JFE Steel Corporation.
Collaborations
Seiji Fujisawa is identified as Ito’s coworker. The available information does not specify a particular joint project or co-inventorship between them.
Conclusion
Takahito Ito’s listed patent presents a controlled gas-shielded arc welding method for producing welded joints, reflecting his association with welding-related innovation at JFE Steel Corporation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile