Katsuta, Japan

Seijl Oobayashi

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seijl Oobayashi. Retrieved from https://idiyas.com/inventor/seijl-oobayashi

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 = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1980

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1 patent (USPTO):Explore Patents

Title: Seijl Oobayashi: Innovator in Carburetor Technology

Introduction

Seijl Oobayashi is a notable inventor based in Katsuta, Japan, recognized for his innovative contributions to the field of internal combustion engines. With a patent to his name, Oobayashi has showcased his expertise in enhancing engine performance through technological advancements.

Latest Patents

Oobayashi's patent focuses on the "Acceleration pump of carburetor." This invention features an intricate design for an acceleration pump within a carburetor used in internal combustion engines. It includes a cylinder and a piston that is reciprocatingly inserted, with a unique transverse bore that accommodates a stopper member, which is influenced by a heat-sensitive element. This design allows for the precise supply of additional fuel during acceleration, correcting for ambient temperature fluctuations. The projection-and-depression mechanism of the stopper member enhances the control over the piston strokes, ensuring optimal fuel delivery for improved engine efficiency.

Career Highlights

Seijl Oobayashi is currently affiliated with Hitachi, Ltd., a company renowned for its commitment to innovation and technology. His work in the field of carburetor technology is just one highlight of a career dedicated to enhancing mechanical and engineering processes. Oobayashi's contributions exemplify the merging of innovative design with practical application in automotive technology.

Collaborations

Throughout his career, Oobayashi has worked alongside talented colleagues, including Takeshi Takamaru and Mineo Kashiwaya. These collaborations have played a significant role in the development of his inventions, fostering an environment of creativity and excellence within Hitachi's engineering teams.

Conclusion

In conclusion, Seijl Oobayashi stands out as a significant figure in the realm of automotive innovations. His patent for the acceleration pump of a carburetor highlights his commitment to improving engine performance through smart design and adaptability. As he continues to contribute to the industry, Oobayashi’s work is a testament to the vital role of inventors in advancing technology.

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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