Toyohashi, Japan

Kiyotoshi Oi

This inventor holds 19 USPTO granted patents and 1 published patent application, primarily in Fuel Supply Systems. Top assignees: Nippondenso Co., Ltd., Denso Corporation, Kyosan Denki Co., Ltd.. Active years: 1996-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyotoshi Oi. Retrieved from https://idiyas.com/inventor/kiyotoshi-oi

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

USPTO Granted Patents = 19 

% Patents Active = 84.2

Average Co-Inventor Count = 2.5

ph-index = 11

Forward Citations = 249(Granted Patents)


Location History:

  • Toyohashi, JP (1996 - 2000)
  • Anjo, JP (2002 - 2008)
  • Kariya, JP (1997 - 2016)

Company Filing History:


Years Active: 1996-2016

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Areas of Expertise:
Fuel Pump
Fuel Supply System
Internal Combustion Engine
Fuel Filter
Control Mode Switching
Reinforcing Structure
In-Tank Pump
Evaporation Prevention
Pressure Control
Manufacturing Method
Bearing
Commutator
19 patents (USPTO):Explore Patents

Title: The Innovative Mind of Kiyotoshi Oi

Introduction: Kiyotoshi Oi, an esteemed inventor based in Toyohashi, Japan, has made remarkable contributions to the field of engineering with a total of 19 patents. His innovations primarily focus on advancements in fuel pump technology, underscoring his expertise and commitment to enhancing mechanical systems.

Latest Patents: Among his most recent patents is the innovative design of a carbon brush for fuel pumps, which features a unique brush body made from carbon and polyether ether ketone. This design ensures that abnormal wear does not occur, even when the fuel pump motor operates at high voltage. Another significant patent introduced by Oi is a fuel feed apparatus with a reinforcing structure. This invention comprises a pump casing, a rotating member, and a reinforcing member, all designed to work together to maintain efficiency under fluidic force. The pump casing is constructed of resin, with the reinforcing member integrated to provide added support against operational stresses.

Career Highlights: Throughout his career, Kiyotoshi Oi has worked with leading companies such as Nippondenso Co., Ltd. and Denso Corporation. His role in these organizations has been pivotal in fostering the development of innovative technologies that have a lasting impact on the automotive industry.

Collaborations: Oi has collaborated with notable coworkers like Kazuji Minagawa and Makoto Miwa, contributing to the rich pool of knowledge and experience within his field while driving forward the frontiers of innovation.

Conclusion: Kiyotoshi Oi's inventive spirit and contributions to fuel pump technology highlight his significance as an inventor in Japan. With a portfolio of 19 patents, he continues to pave the way for future advancements, solidifying his legacy as a leader in the realm of mechanical engineering and innovation.

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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