This inventor holds 3 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Daihen Corporation. Active years: 1997-2024.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kobe, JP (1997)
- Osaka, JP (2022 - 2024)
Company Filing History:
Years Active: 1997-2024
Title: Ichiro Umezawa: Innovator in Welding Technology
Introduction
Ichiro Umezawa is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of welding technology, holding three patents that showcase his innovative approach to improving welding processes. His work has had a substantial impact on the efficiency and effectiveness of welding machines.
Latest Patents
Umezawa's latest patents include a welding power supply device and a non-consumable electrode arc-welding method. The welding power supply device features an inverter that converts DC power into AC power for welding loads. It incorporates a voltage circuit that superimposes a restriking voltage on the output when the inverter's current polarity switches. This device includes a restriking capacitor, a charging circuit, and a discharging circuit, allowing for efficient operation in both direct and boosted voltage states. The non-consumable electrode arc-welding method enables a welding machine to control the output of welding current based on the ON and OFF states of a start signal. This method enhances the control over the welding process, allowing for better management of welding current output periods.
Career Highlights
Ichiro Umezawa is associated with Daihen Corporation, a company known for its advancements in welding technology. His work at Daihen has allowed him to develop innovative solutions that address the challenges faced in the welding industry. Umezawa's patents reflect his commitment to enhancing welding techniques and equipment.
Collaborations
Umezawa has collaborated with notable colleagues such as Kikuo Terayama and Satoru Yamaguchi. Their combined expertise has contributed to the development of advanced welding technologies and methods.
Conclusion
Ichiro Umezawa's contributions to welding technology through his patents demonstrate his innovative spirit and dedication to improving industrial processes. His work continues to influence the welding industry, making significant strides in efficiency and effectiveness.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile