Bizen, Japan

Hajime Asami

This inventor holds 7 USPTO granted patents. Top assignees: Shinagawa Refractories Co., Ltd., Shinagawa Shirorenga Kabushiki Kaisha, Nippon Oil Company. Active years: 1978-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Asami. Retrieved from https://idiyas.com/inventor/hajime-asami

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 4

Forward Citations = 43(Granted Patents)


Location History:

  • Bizen, JA (1978)
  • Bizen, JP (1981 - 1992)
  • Okayama-ken, JP (1998)

Company Filing History:


Years Active: 1978-1998

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7 patents (USPTO):Explore Patents

Title: Innovator Hajime Asami: Pioneering Advances in Refractory Technology

Introduction: Hajime Asami, an impactful inventor located in Bizen, Japan, has made significant contributions to the field of refractory materials. With a total of 7 patents to his name, Asami is recognized for his innovative approaches to enhancing the performance and production of zirconia refractory heating elements.

Latest Patents: Among his latest patents is a groundbreaking process for producing a laminate-shaped zirconia refractory heating element. This innovative process involves several critical steps, including the incorporation of a flexible binder in a filler composed of zirconia fibers and stabilized zirconia powder. The mixture is then formed into a flexible refractory sheet at room temperature, which is subsequently laminated to create a multi-layer structure before being fired. This development not only improves the efficiency of heating elements but also broadens their application in various industrial settings.

Career Highlights: Hajime Asami has had an illustrious career, having worked with well-respected organizations such as Shinagawa Refractories Co., Ltd. and Shinagawa Shirorenga Kabushiki Kaisha. His tenure at these companies has been instrumental in the advancement of refractory technologies, allowing him to apply his innovative ideas in practical settings.

Collaborations: Throughout his career, Asami has collaborated with notable colleagues including Tadashi Zenbutsu and Shigeo Yoshino. These partnerships have fostered a creative environment that encourages the exchange of ideas, ultimately leading to advancements in refractory materials and technologies.

Conclusion: Hajime Asami stands out as a dedicated inventor whose expertise in refractory technology has led to the development of notable patents. His innovative spirit and collaborations with esteemed colleagues continue to shape the future of the industry, paving the way for more efficient and effective heating solutions.

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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