Nagoya, Japan

Seiichi Sahara

This inventor holds 3 USPTO granted patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Toyoda Gosei Co., Ltd.. Active years: 1984-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Sahara. Retrieved from https://idiyas.com/inventor/seiichi-sahara

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 6.7

ph-index = 3

Forward Citations = 40(Granted Patents)


Location History:

  • Nagoya, JP (1984 - 1985)
  • Aichi-ken, JP (2000)

Company Filing History:


Years Active: 1984-2000

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3 patents (USPTO):Explore Patents

Title: The Innovative Journey of Seiichi Sahara

Introduction: Seiichi Sahara is a notable inventor based in Nagoya, Japan, known for his contributions to the field of material recycling and automotive components. With a portfolio of three patents, he has demonstrated a commitment to innovation that addresses environmental and engineering challenges.

Latest Patents: Among his recent achievements, Sahara has developed a groundbreaking process for recycling polyolefin cross-linked substances. This process allows for the transformation of a polyolefin foamed substance—whether cross-linked or not—into a moldable thermoplastic resin. By utilizing a cross-linkage breaking agent during the heating process, the integrity of the material is preserved while enabling recycling. His method also involves the addition of a foaming-agent-decomposition facilitating agent, which enhances both the efficiency and effectiveness of the recycling process. The end product not only boasts improved moldability but also exhibits superior strength, elongation, and an attractive superficial appearance.

Another significant patent of Sahara's is that of an oil-resistant diaphragm designed for automotive applications. This diaphragm is composed mainly of a specially formulated vulcanized rubber, particularly a partially hydrogenated unsaturated nitrile-conjugated diene copolymer rubber. Its unique composition ensures resilience against deteriorated gasoline and functionality in low-temperature environments, making it ideal for automobile fuel pumps.

Career Highlights: Throughout his career, Seiichi Sahara has held roles in prestigious companies such as Toyota Motor Corporation and Toyoda Gosei Co., Ltd. His work at these organizations highlights his expertise in automotive parts and materials technology, reinforcing his reputation as a trailblazer in innovation.

Collaborations: Sahar has collaborated with esteemed colleagues like Tadaoki Okumoto and Masatoshi Sugimoto, contributing to numerous projects that leverage their combined expertise in the automotive and materials science sectors. Their collaborative efforts have fostered the development of innovative products that meet market demands.

Conclusion: Seiichi Sahara continues to be a significant figure in the realm of inventions related to sustainable materials and automotive technology. With his innovative solutions, he not only advances industry practices but also lays the groundwork for a more environmentally conscious approach to manufacturing.

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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