Hitachi, Japan

Noboru Umehara

This inventor holds 4 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1978-1994.


% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 2

Forward Citations = 30(Granted Patents)


Location History:

  • Hitachi, JA (1978)
  • Hitachi, JP (1984 - 1994)

Company Filing History:


Years Active: 1978-1994

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4 patents (USPTO):Explore Patents

Title: Noboru Umehara: Innovator in Welding Technology

Introduction

Noboru Umehara is a distinguished inventor based in Hitachi, Japan. He has made significant contributions to the field of welding technology, holding a total of 4 patents. His innovative approaches have advanced the methods and equipment used in various welding applications.

Latest Patents

Umehara's latest patents include a novel welding equipment designed for fabricating a combustion liner. This invention involves a combustion liner body and rings that are welded inside the liner body. The process entails enlarging the diameter of each ring to ensure that the spacing between the outer peripheral surface of the ring and the inner peripheral surface of the liner body falls within a predetermined range. The rings are then tacked to the liner body using lap resistance welding, followed by brazing the rings and the liner body.

Another notable patent is for a process and apparatus for electron beam welding of a member partially. This apparatus is designed for welding a member within a vacuum chamber. It includes a housing that defines the vacuum chamber, with upper and lower housings that hold the member to be welded. An electron gun is mounted on the upper housing, and a drive device moves the electron gun in the welding direction. The design ensures that the entirety of the welding portion is exposed in vacuum, allowing for high-quality welds.

Career Highlights

Noboru Umehara has dedicated his career to advancing welding technologies. His work at Hitachi, Ltd. has positioned him as a key figure in the development of innovative welding solutions. His patents reflect his commitment to improving manufacturing processes and enhancing the efficiency of welding operations.

Collaborations

Throughout his career, Umehara has collaborated with notable colleagues, including Yoshitada Oshida and Yoichi Kawata. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Noboru Umehara's contributions to welding technology through his patents and collaborative efforts have made a significant impact in the field. His work continues to influence advancements in manufacturing processes, showcasing the importance of innovation in engineering.

Profile summary based on public USPTO records.
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