Susono, Japan

Koiti Yamasita

This inventor holds 1 USPTO granted patent. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koiti Yamasita. Retrieved from https://idiyas.com/inventor/koiti-yamasita

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 = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Koiti Yamasita: A Catalyst for Change

Introduction: Koiti Yamasita, an accomplished inventor based in Susono, Japan, has made a mark in the field of environmental technology with his innovative patent. His contributions primarily focus on enhancing exhaust gas purification systems, which are crucial for reducing emissions from vehicles. Yamasita's dedication to engineering excellence has led to substantial advancements in sustainable automotive technologies.

Latest Patents: Koiti Yamasita holds a patent for a catalyst designed for purifying exhaust gas. This groundbreaking invention utilizes a complex oxide that exhibits exceptional heat resistance and purification efficiency, particularly in lean atmospheric conditions at high temperatures of approximately 1,000 degrees Celsius. The catalyst incorporates platinum along with alkaline earth metals and elements from Group IIIA. His innovative use of platinum complex oxides, showcased through various chemical structural formulas like X₄PtO₆ and Ba₂ZPtO₆, demonstrates his commitment to advancing air quality and environmental protection.

Career Highlights: Yamasita’s career is closely tied to his work at Toyota Jidosha Kabushiki Kaisha, one of the most renowned automotive companies in the world. His inventive spirit has contributed significantly to the company's sustainability goals, enhancing the efficiency of their vehicles and aligning with global efforts to fight climate change. His patent is a testament to his role in pioneering cleaner automotive technologies.

Collaborations: Throughout his career, Koiti Yamasita has collaborated with esteemed coworkers, including Mikio Murachi and Masahiko Sugiyama. These partnerships have fostered a creative environment that promotes innovative thinking and problem-solving, leading to notable advancements in automotive technology and environmental research.

Conclusion: Koiti Yamasita stands out as a key figure in the realm of environmental innovation. His patented catalyst for purifying exhaust gas reflects a deep understanding of both chemistry and engineering. Through his work at Toyota, he not only contributes to the company's legacy but also plays a vital role in making the automotive industry more sustainable. As challenges related to emissions intensify, the significance of Yamasita's work will continue to grow, inspiring future innovations in the field.

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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