Tokai, Japan

Hisanori Okamura

This inventor holds 37 USPTO granted patents and 2 EPO patents, primarily in Friction Stir Welding. Top assignees: Hitachi, Ltd., Hitachi Cable, Inc., Hitachi Engineering Service Co., Ltd.. Active years: 1976-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisanori Okamura. Retrieved from https://idiyas.com/inventor/hisanori-okamura

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 54.1


Average Co-Inventor Count = 5.6

ph-index = 16

Forward Citations = 811(Granted Patents)


Location History:

  • Hitachi, JA (1976)
  • Hitachi, J (1976)
  • Toukai, JP (1987)
  • Toukai-mura, JP (1997)
  • Ibaraki, JP (1987 - 2004)
  • Tokai-mura, JP (1997 - 2006)
  • Tokai, JP (2003 - 2009)

Company Filing History:


Years Active: 1976-2009

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Areas of Expertise:
Friction Stir Welding
Manufacturing Method
Structural Body
Welded Structure
Rotary Tool
Underwater Processing
Nuclear Reactor
Thermal Stress Resistance
Dissimilar Metals
Cooling Plate
Sputtering Target
Ceramic Composite
37 patents (USPTO):Explore Patents

Title: Hisanori Okamura - A Pioneer in Cooling Plate Innovations

Introduction

Hisanori Okamura, a notable inventor based in Tokai-mura, Japan, has made significant contributions to the field of engineering through his 36 patents. His innovative work primarily focuses on advanced cooling technologies and friction stir welding methods, showcasing his expertise in both material science and manufacturing processes.

Latest Patents

Okamura's latest inventions include a revolutionary cooling plate and a sputtering target, both of which involve innovative manufacturing methods. The cooling plate features a unique design with an internal groove serving as a coolant passage, enhanced by fins for improved thermal management. The lid, which covers the groove, is attached using a friction stir welding technique, ensuring structural integrity and efficiency. His sputtering target manufacturing method complements this invention, facilitating the creation of high-quality components essential for various applications.

Career Highlights

Throughout his career, Okamura has been associated with prestigious companies, including Hitachi, Ltd. and Hitachi Material Engineering Co., Ltd. His time at these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in technology. His extensive patent portfolio reflects his commitment to innovation and the ability to address complex engineering challenges.

Collaborations

Okamura has worked alongside accomplished colleagues such as Kinya Aota and Masakuni Ezumi, contributing to a collaborative environment that fosters creativity and innovation. Their combined efforts in research and development have led to several key advancements in cooling technologies and welding techniques.

Conclusion

Hisanori Okamura stands out as a leading figure in the realm of engineering and innovation, recognized for his expertise and inventive spirit. With a substantial number of patents and significant contributions to the field, he continues to influence the development of modern engineering solutions, particularly in the area of cooling technologies. His work not only enhances the performance of various devices but also paves the way for future advancements in manufacturing practices.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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